[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 10 18:14:35 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 11 Oct, 2014

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

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

BGP routing table entries examined:                              514566
    Prefixes after maximum aggregation:                          199271
    Deaggregation factor:                                          2.58
    Unique aggregates announced to Internet:                     254903
Total ASes present in the Internet Routing Table:                 48265
    Prefixes per ASN:                                             10.66
Origin-only ASes present in the Internet Routing Table:           36263
Origin ASes announcing only one prefix:                           16360
Transit ASes present in the Internet Routing Table:                6141
Transit-only ASes present in the Internet Routing Table:            172
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                     118
    Max AS path prepend of ASN ( 55644)                             111
Prefixes from unregistered ASNs in the Routing Table:              1838
    Unregistered ASNs in the Routing Table:                         442
Number of 32-bit ASNs allocated by the RIRs:                       7604
Number of 32-bit ASNs visible in the Routing Table:                5861
Prefixes from 32-bit ASNs in the Routing Table:                   20745
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            338
Number of addresses announced to Internet:                   2707058692
    Equivalent to 161 /8s, 90 /16s and 112 /24s
    Percentage of available address space announced:               73.1
    Percentage of allocated address space announced:               73.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               96.9
Total number of prefixes smaller than registry allocations:      176435

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

Prefixes being announced by APNIC Region ASes:                   125819
    Total APNIC prefixes after maximum aggregation:               36739
    APNIC Deaggregation factor:                                    3.42
Prefixes being announced from the APNIC address blocks:          129713
    Unique aggregates announced from the APNIC address blocks:    53522
APNIC Region origin ASes present in the Internet Routing Table:    4978
    APNIC Prefixes per ASN:                                       26.06
APNIC Region origin ASes announcing only one prefix:               1190
APNIC Region transit ASes present in the Internet Routing Table:    855
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                        118
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1124
Number of APNIC addresses announced to Internet:              735003456
    Equivalent to 43 /8s, 207 /16s and 67 /24s
    Percentage of available APNIC address space announced:         85.9

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 131072-135580
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:                    171348
    Total ARIN prefixes after maximum aggregation:                85249
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           173263
    Unique aggregates announced from the ARIN address blocks:     82654
ARIN Region origin ASes present in the Internet Routing Table:    16377
    ARIN Prefixes per ASN:                                        10.58
ARIN Region origin ASes announcing only one prefix:                6102
ARIN Region transit ASes present in the Internet Routing Table:    1696
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          22
Number of ARIN region 32-bit ASNs visible in the Routing Table:     220
Number of ARIN addresses announced to Internet:              1081327808
    Equivalent to 64 /8s, 115 /16s and 192 /24s
    Percentage of available ARIN address space announced:          57.2

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:                    125372
    Total RIPE prefixes after maximum aggregation:                63593
    RIPE Deaggregation factor:                                     1.97
Prefixes being announced from the RIPE address blocks:           130602
    Unique aggregates announced from the RIPE address blocks:     83097
RIPE Region origin ASes present in the Internet Routing Table:    17761
    RIPE Prefixes per ASN:                                         7.35
RIPE Region origin ASes announcing only one prefix:                8204
RIPE Region transit ASes present in the Internet Routing Table:    2896
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:    3104
Number of RIPE addresses announced to Internet:               659620228
    Equivalent to 39 /8s, 81 /16s and 1 /24s
    Percentage of available RIPE address space announced:          95.9

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:                   59141
    Total LACNIC prefixes after maximum aggregation:              10806
    LACNIC Deaggregation factor:                                   5.47
Prefixes being announced from the LACNIC address blocks:          67782
    Unique aggregates announced from the LACNIC address blocks:   30606
LACNIC Region origin ASes present in the Internet Routing Table:   2347
    LACNIC Prefixes per ASN:                                      28.88
LACNIC Region origin ASes announcing only one prefix:               650
LACNIC Region transit ASes present in the Internet Routing Table:   459
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1355
Number of LACNIC addresses announced to Internet:             171306112
    Equivalent to 10 /8s, 53 /16s and 236 /24s
    Percentage of available LACNIC address space announced:       102.1

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-265628 + 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:                  12036
    Total AfriNIC prefixes after maximum aggregation:              2837
    AfriNIC Deaggregation factor:                                  4.24
Prefixes being announced from the AfriNIC address blocks:         12868
    Unique aggregates announced from the AfriNIC address blocks:   4717
AfriNIC Region origin ASes present in the Internet Routing Table:   737
    AfriNIC Prefixes per ASN:                                     17.46
AfriNIC Region origin ASes announcing only one prefix:              214
AfriNIC Region transit ASes present in the Internet Routing Table:  154
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   58
Number of AfriNIC addresses announced to Internet:             59516160
    Equivalent to 3 /8s, 140 /16s and 37 /24s
    Percentage of available AfriNIC address space announced:       59.1

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     2946      11584         926   Korea Telecom
17974     2822        903          77   PT Telekomunikasi Indonesia
 7545     2389        336         124   TPG Telecom Limited
 4755     1918        412         189   TATA Communications formerly 
 9829     1652       1306          39   National Internet Backbone
 9808     1534       6639          15   Guangdong Mobile Communicatio
 4808     1404       2197         412   CNCGROUP IP network China169 
 9583     1305        104         532   Sify Limited
 9498     1303        333          91   BHARTI Airtel Ltd.
 7552     1185       1098          14   Viettel Corporation

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     2896       3688          51   BellSouth.net Inc.
22773     2892       2940         141   Cox Communications Inc.
18566     2046        379         182   MegaPath Corporation
 7029     1854       1958         319   Windstream Communications Inc
20115     1804       1787         481   Charter Communications
 4323     1634       1052         410   tw telecom holdings, inc.
 6983     1516        867         252   ITC^Deltacom
30036     1477        308         619   Mediacom Communications Corp
  701     1431      11258         715   MCI Communications Services, 
22561     1305        408         237   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     1822        296         348   TELLCOM ILETISIM HIZMETLERI A
20940     1489        577        1097   Akamai International B.V.
 8402     1451        544          15   OJSC "Vimpelcom"
31148     1044         45          21   Freenet Ltd.
13188     1036        100          29   TOV "Bank-Inform"
 8551      964        372          41   Bezeq International-Ltd
 6849      834        356          26   JSC "Ukrtelecom"
12479      805        798          58   France Telecom Espana SA
 6830      776       2334         431   Liberty Global Operations B.V
 9198      675        346          29   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     2996       2305         143   NET Serviços de Comunicação S
10620     2994        485         245   Telmex Colombia S.A.
 6147     1801        374          30   Telefonica del Peru S.A.A.
 7303     1770       1178         236   Telecom Argentina S.A.
 8151     1481       3009         434   Uninet S.A. de C.V.
18881     1237       1036          22   Global Village Telecom
 6503     1110        434          60   Axtel, S.A.B. de C.V.
 7738      999       1882          41   Telemar Norte Leste S.A.
26615      915       2325          35   Tim Celular S.A.
27947      910        130          51   Telconet S.A

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
 8452     1355        958          13   TE-AS
24863      950        280          26   Link Egypt (Link.NET)
 6713      678        760          38   Office National des Postes et
36992      347        824          27   ETISALAT MISR
24835      307        144           9   Vodafone Data
 3741      249        920         212   Internet Solutions
29571      245         22          17   Cote d'Ivoire Telecom
37054      231         19           6   Data Telecom Service
15706      186         17           6   Sudatel (Sudan Telecom Co. Lt
12258      174         26          71   MWEB CONNECT (PROPRIETARY) LI

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     2996       2305         143   NET Serviços de Comunicação S
10620     2994        485         245   Telmex Colombia S.A.
 4766     2946      11584         926   Korea Telecom
 6389     2896       3688          51   BellSouth.net Inc.
22773     2892       2940         141   Cox Communications Inc.
17974     2822        903          77   PT Telekomunikasi Indonesia
 7545     2389        336         124   TPG Telecom Limited
18566     2046        379         182   MegaPath Corporation
 4755     1918        412         189   TATA Communications formerly 
 7029     1854       1958         319   Windstream Communications Inc

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      2896        2845      BellSouth.net Inc.
22773      2892        2751      Cox Communications Inc.
10620      2994        2749      Telmex Colombia S.A.
17974      2822        2745      PT Telekomunikasi Indonesia
 7545      2389        2265      TPG Telecom Limited
 4766      2946        2020      Korea Telecom
18566      2046        1864      MegaPath Corporation
 6147      1801        1771      Telefonica del Peru S.A.A.
 4755      1918        1729      TATA Communications formerly 
 9829      1652        1613      National Internet Backbone

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

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

Bad AS  Designation  Network              Transit AS  Description
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         3356       Level 3 Communicatio
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
55020   UNALLOCATED  8.30.123.0/24         3356       Level 3 Communicatio
27205   UNALLOCATED  8.38.16.0/21          6461       Abovenet Communicati
15347   UNALLOCATED  8.224.147.0/24       12064       Cox Communications I
33628   UNALLOCATED  12.0.239.0/24         1239       Sprint

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

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

Network            Origin AS  Description
5.100.241.0/24       23456     32bit Transition AS
24.231.96.0/24       21548     MTO Telecom Inc.
27.100.7.0/24        56096     >>UNKNOWN<<
31.217.248.0/21      44902     COVAGE NETWORKS SASU
37.16.88.0/23        57652     >>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<<

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      /11:89      /12:261     
/13:501     /14:1005    /15:1713    /16:13033   /17:7102    /18:11798   
/19:24645   /20:35245   /21:37441   /22:55050   /23:47947   /24:275758  
/25:1094    /26:1057    /27:710     /28:16      /29:19      /30:10      
/31:1       /32:13      

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

  ASN   No of nets  Total ann.   Description
22773     2125          2892      Cox Communications Inc.
18566     2001          2046      MegaPath Corporation
 6389     1676          2896      BellSouth.net Inc.
 6147     1365          1801      Telefonica del Peru S.A.A.
30036     1323          1477      Mediacom Communications Corp
 6983     1205          1516      ITC^Deltacom
11492     1145          1196      CABLE ONE, INC.
34984     1142          1822      TELLCOM ILETISIM HIZMETLERI A
 7029     1140          1854      Windstream Communications Inc
 8402     1119          1451      OJSC "Vimpelcom"

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

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

   1:1346      2:668       3:3         4:17        5:1165      6:21     
   8:761      12:1844     13:4        14:1144     15:17       16:2      
  17:42       18:21       20:51       23:942      24:1763     27:1818   
  31:1414     32:39       33:2        34:5        36:158      37:1779   
  38:1003     39:18       40:228      41:2956     42:257      43:471    
  44:17       45:81       46:2172     47:26       49:734      50:796    
  52:12       54:52       55:3        56:8        57:32       58:1212   
  59:644      60:434      61:1724     62:1254     63:1832     64:4384   
  65:2289     66:4221     67:2056     68:1052     69:3268     70:866    
  71:477      72:1992     74:2597     75:373      76:413      77:1604   
  78:1017     79:764      80:1329     81:1252     82:797      83:661    
  84:729      85:1350     86:453      87:1154     88:471      89:1790   
  90:138      91:5770     92:773      93:1670     94:2038     95:1302   
  96:428      97:340      98:1098     99:48      100:66      101:729    
 103:5821    104:450     105:140     106:188     107:647     108:578    
 109:1998    110:1045    111:1419    112:717     113:904     114:793    
 115:1182    116:1133    117:1048    118:1544    119:1352    120:458    
 121:974     122:2194    123:1639    124:1447    125:1512    128:616    
 129:354     130:362     131:909     132:430     133:165     134:325    
 135:78      136:321     137:292     138:379     139:192     140:222    
 141:407     142:598     143:417     144:505     145:110     146:691    
 147:557     148:996     149:378     150:504     151:721     152:474    
 153:240     154:358     155:564     156:376     157:330     158:278    
 159:945     160:324     161:602     162:1803    163:406     164:704    
 165:667     166:365     167:678     168:1123    169:122     170:1413   
 171:187     172:63      173:1633    174:708     175:617     176:1517   
 177:3620    178:2091    179:799     180:1748    181:1757    182:1663   
 183:628     184:707     185:2168    186:3001    187:1684    188:2143   
 189:1508    190:7868    191:777     192:7676    193:5536    194:4045   
 195:3605    196:1638    197:753     198:5273    199:5465    200:6462   
 201:2891    202:9149    203:9057    204:4698    205:2654    206:3023   
 207:2942    208:3931    209:3740    210:3307    211:1829    212:2366   
 213:2188    214:852     215:87      216:5600    217:1703    218:618    
 219:391     220:1371    221:703     222:484     223:599    

End of report



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