[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 13 18:15:31 UTC 2014


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 14 Jun, 2014

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              499331
    Prefixes after maximum aggregation:                          194746
    Deaggregation factor:                                          2.56
    Unique aggregates announced to Internet:                     245869
Total ASes present in the Internet Routing Table:                 47040
    Prefixes per ASN:                                             10.62
Origin-only ASes present in the Internet Routing Table:           35870
Origin ASes announcing only one prefix:                           16315
Transit ASes present in the Internet Routing Table:                6100
Transit-only ASes present in the Internet Routing Table:            171
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      53
    Max AS path prepend of ASN ( 50404)                              51
Prefixes from unregistered ASNs in the Routing Table:              1744
    Unregistered ASNs in the Routing Table:                         446
Number of 32-bit ASNs allocated by the RIRs:                       6833
Number of 32-bit ASNs visible in the Routing Table:                5070
Prefixes from 32-bit ASNs in the Routing Table:                   17381
Number of bogon 32-bit ASNs visible in the Routing Table:           227
Special use prefixes present in the Routing Table:                   13
Prefixes being announced from unallocated address space:            403
Number of addresses announced to Internet:                   2693600260
    Equivalent to 160 /8s, 141 /16s and 20 /24s
    Percentage of available address space announced:               72.8
    Percentage of allocated address space announced:               72.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               96.6
Total number of prefixes smaller than registry allocations:      173133

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   119415
    Total APNIC prefixes after maximum aggregation:               35307
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          122523
    Unique aggregates announced from the APNIC address blocks:    51116
APNIC Region origin ASes present in the Internet Routing Table:    4949
    APNIC Prefixes per ASN:                                       24.76
APNIC Region origin ASes announcing only one prefix:               1224
APNIC Region transit ASes present in the Internet Routing Table:    872
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         20
Number of APNIC region 32-bit ASNs visible in the Routing Table:    984
Number of APNIC addresses announced to Internet:              733995392
    Equivalent to 43 /8s, 191 /16s and 225 /24s
    Percentage of available APNIC address space announced:         85.8

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-63999, 131072-133631
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    168758
    Total ARIN prefixes after maximum aggregation:                83829
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           170405
    Unique aggregates announced from the ARIN address blocks:     79377
ARIN Region origin ASes present in the Internet Routing Table:    16295
    ARIN Prefixes per ASN:                                        10.46
ARIN Region origin ASes announcing only one prefix:                6108
ARIN Region transit ASes present in the Internet Routing Table:    1681
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     118
Number of ARIN addresses announced to Internet:              1076665600
    Equivalent to 64 /8s, 44 /16s and 157 /24s
    Percentage of available ARIN address space announced:          57.0

ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    124168
    Total RIPE prefixes after maximum aggregation:                62780
    RIPE Deaggregation factor:                                     1.98
Prefixes being announced from the RIPE address blocks:           128774
    Unique aggregates announced from the RIPE address blocks:     81293
RIPE Region origin ASes present in the Internet Routing Table:    17710
    RIPE Prefixes per ASN:                                         7.27
RIPE Region origin ASes announcing only one prefix:                8258
RIPE Region transit ASes present in the Internet Routing Table:    2878
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          53
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2716
Number of RIPE addresses announced to Internet:               658057092
    Equivalent to 39 /8s, 57 /16s and 39 /24s
    Percentage of available RIPE address space announced:          95.7

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 196608-202239
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   57509
    Total LACNIC prefixes after maximum aggregation:              10139
    LACNIC Deaggregation factor:                                   5.67
Prefixes being announced from the LACNIC address blocks:          64514
    Unique aggregates announced from the LACNIC address blocks:   29362
LACNIC Region origin ASes present in the Internet Routing Table:   2102
    LACNIC Prefixes per ASN:                                      30.69
LACNIC Region origin ASes announcing only one prefix:               522
LACNIC Region transit ASes present in the Internet Routing Table:   438
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1215
Number of LACNIC addresses announced to Internet:             165444096
    Equivalent to 9 /8s, 220 /16s and 122 /24s
    Percentage of available LACNIC address space announced:        98.6

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  11992
    Total AfriNIC prefixes after maximum aggregation:              2654
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         12712
    Unique aggregates announced from the AfriNIC address blocks:   4365
AfriNIC Region origin ASes present in the Internet Routing Table:   718
    AfriNIC Prefixes per ASN:                                     17.70
AfriNIC Region origin ASes announcing only one prefix:              203
AfriNIC Region transit ASes present in the Internet Routing Table:  153
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   37
Number of AfriNIC addresses announced to Internet:             56658688
    Equivalent to 3 /8s, 96 /16s and 139 /24s
    Percentage of available AfriNIC address space announced:       56.3

AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4766     2935      11591         922   Korea Telecom
17974     2793        899          72   PT Telekomunikasi Indonesia
 7545     2260        320         116   TPG Telecom Limited
 4755     1859        396         198   TATA Communications formerly 
 9829     1647       1307          32   National Internet Backbone
 9583     1304        101         537   Sify Limited
 9498     1264        314          85   BHARTI Airtel Ltd.
 7552     1245       1098          14   Viettel Corporation
 4808     1222       2156         364   CNCGROUP IP network China169 
24560     1162        398         190   Bharti Airtel Ltd., Telemedia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6389     2958       3688          53   BellSouth.net Inc.
22773     2533       2937         136   Cox Communications Inc.
 7029     2251       1905         299   Windstream Communications Inc
18566     2047        379         178   MegaPath Corporation
20115     1710       1694         570   Charter Communications
 4323     1634       1073         415   tw telecom holdings, inc.
  701     1445      11189         732   MCI Communications Services, 
30036     1424        311         549   Mediacom Communications Corp
 6983     1368        818         314   ITC^Deltacom
22561     1309        402         233   CenturyTel Internet Holdings,

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
34984     1709        264         274   TELLCOM ILETISIM HIZMETLERI A
20940     1384        534        1024   Akamai International B.V.
 8402     1365        544          16   OJSC "Vimpelcom"
13188     1031        100          28   TOV "Bank-Inform"
31148     1018         45          21   Freenet Ltd.
 8551      954        370          40   Bezeq International-Ltd
 6849      823        357          28   JSC "Ukrtelecom"
 6830      769       2334         428   Liberty Global Operations B.V
12479      726        795          57   France Telecom Espana SA
 9198      575        344          28   JSC Kazakhtelecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3781       2019          99   NET Serviços de Comunicação S
10620     2883        466         198   Telmex Colombia S.A.
18881     2037       1036          22   Global Village Telecom
 7303     1764       1177         230   Telecom Argentina S.A.
 8151     1420       2961         405   Uninet S.A. de C.V.
 6503     1139        434          61   Axtel, S.A.B. de C.V.
 7738      979       1882          41   Telemar Norte Leste S.A.
27947      888        130          51   Telconet S.A
26615      857       2325          35   Tim Celular S.A.
 3816      829        340         138   COLOMBIA TELECOMUNICACIONES S

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
36998     1114        240           6   Sudanese Mobile Telephone (ZA
24863      901        280          25   Link Egypt (Link.NET)
 6713      638        727          33   Office National des Postes et
 8452      592        958          13   TE-AS
36992      300        783          24   ETISALAT MISR
24835      295        144           9   Vodafone Data
 3741      250        921         213   Internet Solutions
37054      244         19           6   Data Telecom Service
29571      225         22          17   Cote d'Ivoire Telecom
15706      187         32           6   Sudatel (Sudan Telecom Co. Lt

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3781       2019          99   NET Serviços de Comunicação S
 6389     2958       3688          53   BellSouth.net Inc.
 4766     2935      11591         922   Korea Telecom
10620     2883        466         198   Telmex Colombia S.A.
17974     2793        899          72   PT Telekomunikasi Indonesia
22773     2533       2937         136   Cox Communications Inc.
 7545     2260        320         116   TPG Telecom Limited
 7029     2251       1905         299   Windstream Communications Inc
18566     2047        379         178   MegaPath Corporation
18881     2037       1036          22   Global Village Telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 6389      2958        2905      BellSouth.net Inc.
17974      2793        2721      PT Telekomunikasi Indonesia
10620      2883        2685      Telmex Colombia S.A.
22773      2533        2397      Cox Communications Inc.
 7545      2260        2144      TPG Telecom Limited
18881      2037        2015      Global Village Telecom
 4766      2935        2013      Korea Telecom
 7029      2251        1952      Windstream Communications Inc
18566      2047        1869      MegaPath Corporation
 4755      1859        1661      TATA Communications formerly 

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
65456   PRIVATE      5.109.32.0/19        23456       32bit Transition AS
65456   PRIVATE      5.109.96.0/19        23456       32bit Transition AS
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
20260   UNALLOCATED  8.25.160.0/24         3356       Level 3 Communicatio
20260   UNALLOCATED  8.25.161.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.122.0/24        12180       Internap Network Ser
46473   UNALLOCATED  8.27.124.0/24        12180       Internap Network Ser
22511   UNALLOCATED  8.28.225.0/24         2828       XO Communications
22511   UNALLOCATED  8.36.68.0/24          2828       XO Communications

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.88.0.0/16         6697     Republican Unitary Telecommun
100.89.0.0/16         6697     Republican Unitary Telecommun
100.90.0.0/16         6697     Republican Unitary Telecommun
100.91.0.0/16         6697     Republican Unitary Telecommun
100.92.0.0/16         6697     Republican Unitary Telecommun
100.93.0.0/16         6697     Republican Unitary Telecommun
100.94.0.0/16         6697     Republican Unitary Telecommun
100.95.0.0/16         6697     Republican Unitary Telecommun
100.96.0.0/14         6697     Republican Unitary Telecommun
100.104.0.0/13        6697     Republican Unitary Telecommun

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
24.231.96.0/24       21548     MTO Telecom Inc.
27.100.7.0/24        56096     >>UNKNOWN<<
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<
41.73.10.0/24        37004     >>UNKNOWN<<
41.73.11.0/24        37004     >>UNKNOWN<<
41.73.12.0/24        37004     >>UNKNOWN<<
41.73.13.0/24        37004     >>UNKNOWN<<
41.73.14.0/24        37004     >>UNKNOWN<<
41.73.15.0/24        37004     >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:12      /10:30      /11:90      /12:258     
/13:488     /14:980     /15:1701    /16:12997   /17:6907    /18:11691   
/19:24597   /20:34614   /21:37125   /22:53314   /23:46750   /24:265605  
/25:805     /26:905     /27:392     /28:13      /29:19      /30:8       
/31:1       /32:13      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566     2002          2047      MegaPath Corporation
22773     1779          2533      Cox Communications Inc.
 6389     1694          2958      BellSouth.net Inc.
30036     1261          1424      Mediacom Communications Corp
11492     1188          1233      CABLE ONE, INC.
 7029     1138          2251      Windstream Communications Inc
36998     1080          1114      Sudanese Mobile Telephone (ZA
 6983     1074          1368      ITC^Deltacom
 8402     1072          1365      OJSC "Vimpelcom"
34984     1038          1709      TELLCOM ILETISIM HIZMETLERI A

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1127      2:666       3:3         4:15        5:974       6:19     
   8:711      12:1845     13:4        14:1025     15:13       16:2      
  17:36       18:21       20:37       23:891      24:1742     27:1772   
  31:1485     32:43       33:2        34:5        36:136      37:1842   
  38:953      39:7        40:204      41:3219     42:257      43:56     
  44:11       45:9        46:2095     47:22       49:726      50:946    
  52:12       54:47       55:8        57:28       58:1223     59:606    
  60:415      61:1553     62:1268     63:1953     64:4359     65:2289   
  66:4167     67:2064     68:1059     69:3344     70:859      71:438    
  72:2020     74:2643     75:326      76:406      77:1689     78:854    
  79:708      80:1320     81:1201     82:750      83:754      84:782    
  85:1315     86:518      87:1179     88:476      89:1827     90:141    
  91:5679     92:698      93:1779     94:2063     95:1576     96:528    
  97:358      98:1083     99:49      100:66      101:826     103:5054   
 104:15      105:543     106:172     107:627     108:593     109:2099   
 110:972     111:1310    112:663     113:849     114:880     115:1131   
 116:1104    117:949     118:1416    119:1388    120:383     121:826    
 122:2045    123:1342    124:1422    125:1465    128:565     129:342    
 130:348     131:665     132:412     133:163     134:320     135:74     
 136:259     137:296     138:364     139:168     140:216     141:385    
 142:567     143:427     144:503     145:104     146:638     147:473    
 148:905     149:363     150:167     151:711     152:443     153:219    
 154:294     155:495     156:352     157:337     158:244     159:911    
 160:329     161:560     162:1524    163:254     164:690     165:605    
 166:280     167:628     168:1057    169:125     170:1438    171:189    
 172:19      173:1610    174:700     175:605     176:1384    177:3178   
 178:2027    179:651     180:1772    181:1156    182:1579    183:524    
 184:722     185:1738    186:2874    187:1609    188:2063    189:1517   
 190:7494    191:368     192:7354    193:5511    194:4022    195:3517   
 196:1416    197:668     198:5088    199:5515    200:6273    201:2667   
 202:9091    203:8892    204:4585    205:2675    206:2959    207:2975   
 208:3990    209:3723    210:3091    211:1702    212:2299    213:2090   
 214:897     215:86      216:5572    217:1686    218:599     219:330    
 220:1282    221:620     222:353     223:603    

End of report



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