[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 7 18:13:45 UTC 2015


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,
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 08 Aug, 2015

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

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

BGP routing table entries examined:                              554366
    Prefixes after maximum aggregation (per Origin AS):          209671
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      270945
Total ASes present in the Internet Routing Table:                 51105
    Prefixes per ASN:                                             10.85
Origin-only ASes present in the Internet Routing Table:           36680
Origin ASes announcing only one prefix:                           16160
Transit ASes present in the Internet Routing Table:                6359
Transit-only ASes present in the Internet Routing Table:            173
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      45
    Max AS path prepend of ASN ( 55644)                              41
Prefixes from unregistered ASNs in the Routing Table:              1200
    Unregistered ASNs in the Routing Table:                         434
Number of 32-bit ASNs allocated by the RIRs:                      10499
Number of 32-bit ASNs visible in the Routing Table:                8066
Prefixes from 32-bit ASNs in the Routing Table:                   29903
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            417
Number of addresses announced to Internet:                   2791482880
    Equivalent to 166 /8s, 98 /16s and 166 /24s
    Percentage of available address space announced:               75.4
    Percentage of allocated address space announced:               75.4
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               97.6
Total number of prefixes smaller than registry allocations:      185457

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

Prefixes being announced by APNIC Region ASes:                   137012
    Total APNIC prefixes after maximum aggregation:               39879
    APNIC Deaggregation factor:                                    3.44
Prefixes being announced from the APNIC address blocks:          144078
    Unique aggregates announced from the APNIC address blocks:    58813
APNIC Region origin ASes present in the Internet Routing Table:    5080
    APNIC Prefixes per ASN:                                       28.36
APNIC Region origin ASes announcing only one prefix:               1192
APNIC Region transit ASes present in the Internet Routing Table:    883
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         45
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1583
Number of APNIC addresses announced to Internet:              750929984
    Equivalent to 44 /8s, 194 /16s and 72 /24s
    Percentage of available APNIC address space announced:         87.8

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 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:                    179763
    Total ARIN prefixes after maximum aggregation:                88015
    ARIN Deaggregation factor:                                     2.04
Prefixes being announced from the ARIN address blocks:           182518
    Unique aggregates announced from the ARIN address blocks:     85471
ARIN Region origin ASes present in the Internet Routing Table:    16589
    ARIN Prefixes per ASN:                                        11.00
ARIN Region origin ASes announcing only one prefix:                6080
ARIN Region transit ASes present in the Internet Routing Table:    1737
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          27
Number of ARIN region 32-bit ASNs visible in the Routing Table:     592
Number of ARIN addresses announced to Internet:              1103491328
    Equivalent to 65 /8s, 197 /16s and 241 /24s
    Percentage of available ARIN address space announced:          58.4

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, 64198-64296, 393216-395164
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:                    134392
    Total RIPE prefixes after maximum aggregation:                67097
    RIPE Deaggregation factor:                                     2.00
Prefixes being announced from the RIPE address blocks:           141073
    Unique aggregates announced from the RIPE address blocks:     87683
RIPE Region origin ASes present in the Internet Routing Table:    17959
    RIPE Prefixes per ASN:                                         7.86
RIPE Region origin ASes announcing only one prefix:                8066
RIPE Region transit ASes present in the Internet Routing Table:    2981
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    3919
Number of RIPE addresses announced to Internet:               698956928
    Equivalent to 41 /8s, 169 /16s and 60 /24s
    Percentage of available RIPE address space announced:         101.6

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, 196608-204287
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:                   60822
    Total LACNIC prefixes after maximum aggregation:              11540
    LACNIC Deaggregation factor:                                   5.27
Prefixes being announced from the LACNIC address blocks:          72105
    Unique aggregates announced from the LACNIC address blocks:   33337
LACNIC Region origin ASes present in the Internet Routing Table:   2463
    LACNIC Prefixes per ASN:                                      29.28
LACNIC Region origin ASes announcing only one prefix:               622
LACNIC Region transit ASes present in the Internet Routing Table:   515
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1833
Number of LACNIC addresses announced to Internet:             168796736
    Equivalent to 10 /8s, 15 /16s and 162 /24s
    Percentage of available LACNIC address space announced:       100.6

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:                  12284
    Total AfriNIC prefixes after maximum aggregation:              3091
    AfriNIC Deaggregation factor:                                  3.97
Prefixes being announced from the AfriNIC address blocks:         14175
    Unique aggregates announced from the AfriNIC address blocks:   5256
AfriNIC Region origin ASes present in the Internet Routing Table:   742
    AfriNIC Prefixes per ASN:                                     19.10
AfriNIC Region origin ASes announcing only one prefix:              200
AfriNIC Region transit ASes present in the Internet Routing Table:  167
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  139
Number of AfriNIC addresses announced to Internet:             68660224
    Equivalent to 4 /8s, 23 /16s and 172 /24s
    Percentage of available AfriNIC address space announced:       68.2

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     2991      11300         979   Korea Telecom
17974     2705        904          80   PT Telekomunikasi Indonesia
 7545     2619        339         134   TPG Telecom Limited
 4755     2028        426         225   TATA Communications formerly 
 4538     1949       4190          71   China Education and Research 
 9829     1852       1369         187   National Internet Backbone
 9808     1587       8717          29   Guangdong Mobile Communicatio
 9583     1517        119         570   Sify Limited
 4808     1483       2248         469   CNCGROUP IP network China169 
 9498     1370        335         105   BHARTI Airtel Ltd.

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
22773     3180       2961         138   Cox Communications Inc.
 6389     2734       3688          51   BellSouth.net Inc.
 3356     2557      10710         511   Level 3 Communications, Inc.
18566     2067        381         208   MegaPath Corporation
20115     1873       1847         406   Charter Communications
 6983     1753        851         245   EarthLink, Inc.
 4323     1596       1006         414   tw telecom holdings, inc.
30036     1552        313         480   Mediacom Communications Corp
  701     1406      11376         684   MCI Communications Services, 
22561     1374        415         256   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
39891     2472        128           6   SaudiNet, Saudi Telecom Compa
20940     2062        814        1492   Akamai International B.V.
34984     2031        305         379   TELLCOM ILETISIM HIZMETLERI A
 6849     1209        355          21   JSC "Ukrtelecom"
 8551     1099        376          52   Bezeq International-Ltd
13188     1068         97          77   TOV "Bank-Inform"
31148     1054         46          24   Freenet Ltd.
12479      976        933          76   France Telecom Espana SA
 8402      936        544          15   OJSC "Vimpelcom"
 6830      921       2696         471   Liberty Global Operations B.V

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
10620     3338        538         145   Telmex Colombia S.A.
28573     2300       2173         111   NET Serviços de Comunicação S
 8151     1683       3261         486   Uninet S.A. de C.V.
 7303     1601        974         243   Telecom Argentina S.A.
 6147     1388        374          30   Telefonica del Peru S.A.A.
 6503     1247        421          55   Axtel, S.A.B. de C.V.
26615     1105       2325          35   Tim Celular S.A.
 7738      995       1882          41   Telemar Norte Leste S.A.
 3816      947        430         162   COLOMBIA TELECOMUNICACIONES S
11830      924        364          15   Instituto Costarricense de El

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
24863      886        280          26   Link Egypt (Link.NET)
 8452      864       1470          14   TE-AS
36903      512        258          99   Office National des Postes et
36992      442       1229          32   ETISALAT MISR
37492      312        175          71   Orange Tunisie
24835      308        146          12   Vodafone Data
 3741      252        857         208   Internet Solutions
29571      249         21          13   Cote d'Ivoire Telecom
37054      189         20           7   Data Telecom Service
36947      182        807          13   Telecom Algeria

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
10620     3338        538         145   Telmex Colombia S.A.
22773     3180       2961         138   Cox Communications Inc.
 4766     2991      11300         979   Korea Telecom
 6389     2734       3688          51   BellSouth.net Inc.
17974     2705        904          80   PT Telekomunikasi Indonesia
 7545     2619        339         134   TPG Telecom Limited
 3356     2557      10710         511   Level 3 Communications, Inc.
39891     2472        128           6   SaudiNet, Saudi Telecom Compa
28573     2300       2173         111   NET Serviços de Comunicação S
18566     2067        381         208   MegaPath Corporation

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

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

  ASN   No of nets  Net Savings Description
22773      3180        3042      Cox Communications Inc.
 6389      2734        2683      BellSouth.net Inc.
17974      2705        2625      PT Telekomunikasi Indonesia
 7545      2619        2485      TPG Telecom Limited
39891      2472        2466      SaudiNet, Saudi Telecom Compa
28573      2300        2189      NET Serviços de Comunicação S
 3356      2557        2046      Level 3 Communications, Inc.
 4766      2991        2012      Korea Telecom
 4538      1949        1878      China Education and Research 
18566      2067        1859      MegaPath Corporation

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
47092   UNALLOCATED  8.8.204.0/24         16410       The Reynolds and Rey
53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
46467   UNALLOCATED  8.19.192.0/24        46887       Lightower Fiber Netw
18985   UNALLOCATED  8.21.68.0/22          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
55060   UNALLOCATED  8.35.9.0/24           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

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

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

Prefix             Origin AS  Description
100.100.1.0/24        9730     Bharti Telesonic Ltd

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

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

Network            Origin AS  Description
14.192.56.0/22       23456     32bit Transition AS
23.226.112.0/20      62788     >>UNKNOWN<<
27.54.116.0/22       23456     32bit Transition AS
27.96.88.0/22        23456     32bit Transition AS
27.100.7.0/24        56096     >>UNKNOWN<<
27.100.24.0/22       23456     32bit Transition AS
27.109.124.0/22      23456     32bit Transition AS
27.111.72.0/22       23456     32bit Transition AS
27.112.120.0/22      23456     32bit Transition AS
27.116.40.0/22       23456     32bit Transition AS

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        /8:17       /9:13      /10:36      /11:96      /12:263     
/13:506     /14:1001    /15:1729    /16:12890   /17:7257    /18:12358   
/19:25551   /20:36046   /21:38803   /22:60636   /23:53091   /24:301015  
/25:1135    /26:1157    /27:712     /28:14      /29:14      /30:9       
/31:0       /32:17      

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

  ASN   No of nets  Total ann.   Description
39891     2432          2472      SaudiNet, Saudi Telecom Compa
22773     2374          3180      Cox Communications Inc.
18566     2009          2067      MegaPath Corporation
 6389     1619          2734      BellSouth.net Inc.
 6983     1399          1753      EarthLink, Inc.
30036     1375          1552      Mediacom Communications Corp
34984     1340          2031      TELLCOM ILETISIM HIZMETLERI A
10620     1208          3338      Telmex Colombia S.A.
11492     1111          1195      CABLE ONE, INC.
22561     1047          1374      CenturyTel Internet Holdings,

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

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

   1:1537      2:698       4:96        5:1857      6:25        8:1383   
  12:1808     13:14       14:1333     15:17       16:2        17:41     
  18:22       20:48       23:1262     24:1758     27:1996     31:1573   
  32:37       33:2        34:4        35:3        36:158      37:2018   
  38:1040     39:14       40:69       41:2800     42:302      43:1401   
  44:30       45:922      46:2346     47:51       49:928      50:784    
  52:15       54:86       55:3        56:6        57:43       58:1350   
  59:716      60:481      61:1754     62:1380     63:1905     64:4433   
  65:2253     66:4030     67:2063     68:1065     69:3242     70:1026   
  71:449      72:1966     74:2588     75:355      76:385      77:1305   
  78:1108     79:811      80:1360     81:1317     82:855      83:719    
  84:794      85:1364     86:447      87:1040     88:531      89:1935   
  90:148      91:5942     92:844      93:2279     94:2060     95:2191   
  96:413      97:347      98:996      99:55      100:75      101:850    
 103:7964    104:2018    105:69      106:341     107:1044    108:625    
 109:2120    110:1157    111:1465    112:821     113:1105    114:844    
 115:1283    116:1457    117:1073    118:1883    119:1463    120:451    
 121:1142    122:2158    123:1848    124:1520    125:1615    128:643    
 129:392     130:419     131:1256    132:526     133:171     134:409    
 135:101     136:334     137:328     138:1073    139:149     140:241    
 141:495     142:663     143:537     144:545     145:126     146:798    
 147:563     148:1237    149:427     150:565     151:674     152:522    
 153:256     154:470     155:880     156:427     157:421     158:358    
 159:1030    160:406     161:665     162:2002    163:444     164:700    
 165:707     166:299     167:853     168:1241    169:190     170:1470   
 171:253     172:284     173:1530    174:720     175:700     176:1432   
 177:3851    178:2161    179:960     180:1940    181:1645    182:1810   
 183:629     184:761     185:4022    186:2914    187:1824    188:2076   
 189:1568    190:7758    191:1123    192:8575    193:5648    194:4211   
 195:3643    196:2015    197:1034    198:5563    199:5500    200:6654   
 201:3305    202:9512    203:9161    204:4681    205:2850    206:3014   
 207:2970    208:3985    209:3909    210:3582    211:1921    212:2551   
 213:2244    214:836     215:73      216:5733    217:1843    218:733    
 219:469     220:1505    221:815     222:473     223:808    

End of report



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