Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 7 18:12:01 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 08 Nov, 2014

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

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

BGP routing table entries examined:                              523431
    Prefixes after maximum aggregation:                          199835
    Deaggregation factor:                                          2.62
    Unique aggregates announced to Internet:                     253728
Total ASes present in the Internet Routing Table:                 48493
    Prefixes per ASN:                                             10.79
Origin-only ASes present in the Internet Routing Table:           36280
Origin ASes announcing only one prefix:                           16320
Transit ASes present in the Internet Routing Table:                6192
Transit-only ASes present in the Internet Routing Table:            169
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      68
    Max AS path prepend of ASN ( 55644)                              61
Prefixes from unregistered ASNs in the Routing Table:              1788
    Unregistered ASNs in the Routing Table:                         434
Number of 32-bit ASNs allocated by the RIRs:                       7832
Number of 32-bit ASNs visible in the Routing Table:                6021
Prefixes from 32-bit ASNs in the Routing Table:                   21417
Number of bogon 32-bit ASNs visible in the Routing Table:             5
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            371
Number of addresses announced to Internet:                   2713875332
    Equivalent to 161 /8s, 194 /16s and 115 /24s
    Percentage of available address space announced:               73.3
    Percentage of allocated address space announced:               73.3
    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:      177009

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

Prefixes being announced by APNIC Region ASes:                   133276
    Total APNIC prefixes after maximum aggregation:               36928
    APNIC Deaggregation factor:                                    3.61
Prefixes being announced from the APNIC address blocks:          137306
    Unique aggregates announced from the APNIC address blocks:    53553
APNIC Region origin ASes present in the Internet Routing Table:    4985
    APNIC Prefixes per ASN:                                       27.54
APNIC Region origin ASes announcing only one prefix:               1198
APNIC Region transit ASes present in the Internet Routing Table:    866
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         68
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1160
Number of APNIC addresses announced to Internet:              737099840
    Equivalent to 43 /8s, 239 /16s and 64 /24s
    Percentage of available APNIC address space announced:         86.1

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:                    172029
    Total ARIN prefixes after maximum aggregation:                85452
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           173896
    Unique aggregates announced from the ARIN address blocks:     81551
ARIN Region origin ASes present in the Internet Routing Table:    16391
    ARIN Prefixes per ASN:                                        10.61
ARIN Region origin ASes announcing only one prefix:                6081
ARIN Region transit ASes present in the Internet Routing Table:    1705
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:     251
Number of ARIN addresses announced to Internet:              1053335744
    Equivalent to 62 /8s, 200 /16s and 160 /24s
    Percentage of available ARIN address space announced:          55.7

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:                    125663
    Total RIPE prefixes after maximum aggregation:                63695
    RIPE Deaggregation factor:                                     1.97
Prefixes being announced from the RIPE address blocks:           131171
    Unique aggregates announced from the RIPE address blocks:     82803
RIPE Region origin ASes present in the Internet Routing Table:    17789
    RIPE Prefixes per ASN:                                         7.37
RIPE Region origin ASes announcing only one prefix:                8177
RIPE Region transit ASes present in the Internet Routing Table:    2914
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:    3177
Number of RIPE addresses announced to Internet:               691660420
    Equivalent to 41 /8s, 57 /16s and 230 /24s
    Percentage of available RIPE address space announced:         100.6

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, 196608-202239
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:                   58707
    Total LACNIC prefixes after maximum aggregation:              10832
    LACNIC Deaggregation factor:                                   5.42
Prefixes being announced from the LACNIC address blocks:          67577
    Unique aggregates announced from the LACNIC address blocks:   30704
LACNIC Region origin ASes present in the Internet Routing Table:   2376
    LACNIC Prefixes per ASN:                                      28.44
LACNIC Region origin ASes announcing only one prefix:               656
LACNIC Region transit ASes present in the Internet Routing Table:   470
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1370
Number of LACNIC addresses announced to Internet:             168403968
    Equivalent to 10 /8s, 9 /16s and 164 /24s
    Percentage of available LACNIC address space announced:       100.4

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:                  12244
    Total AfriNIC prefixes after maximum aggregation:              2884
    AfriNIC Deaggregation factor:                                  4.25
Prefixes being announced from the AfriNIC address blocks:         13110
    Unique aggregates announced from the AfriNIC address blocks:   4787
AfriNIC Region origin ASes present in the Internet Routing Table:   732
    AfriNIC Prefixes per ASN:                                     17.91
AfriNIC Region origin ASes announcing only one prefix:              208
AfriNIC Region transit ASes present in the Internet Routing Table:  151
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:   63
Number of AfriNIC addresses announced to Internet:             59895296
    Equivalent to 3 /8s, 145 /16s and 238 /24s
    Percentage of available AfriNIC address space announced:       59.5

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
 4538     5547       4190          71   China Education and Research 
 4766     2952      11584         925   Korea Telecom
17974     2825        903          77   PT Telekomunikasi Indonesia
 7545     2441        336         126   TPG Telecom Limited
 4755     1915        411         187   TATA Communications formerly 
 9829     1671       1322          37   National Internet Backbone
 4812     1520       2098         109   China Telecom (Group)
 9808     1478       6639          15   Guangdong Mobile Communicatio
 4808     1423       2213         429   CNCGROUP IP network China169 
 9583     1362        112         561   Sify Limited

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     2894       3688          51   BellSouth.net Inc.
22773     2851       2956         144   Cox Communications Inc.
18566     2045        379         184   MegaPath Corporation
 7029     2000       1960         317   Windstream Communications Inc
20115     1819       1797         476   Charter Communications
 4323     1636       1052         409   tw telecom holdings, inc.
 6983     1581        867         250   ITC^Deltacom
30036     1488        309         611   Mediacom Communications Corp
  701     1428      11265         708   MCI Communications Services, 
22561     1313        409         242   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     1842        298         356   TELLCOM ILETISIM HIZMETLERI A
20940     1496        579        1104   Akamai International B.V.
 8402     1328        544          15   OJSC "Vimpelcom"
31148     1045         45          21   Freenet Ltd.
13188     1028        100          36   TOV "Bank-Inform"
 8551      952        373          43   Bezeq International-Ltd
 6849      829        356          26   JSC "Ukrtelecom"
 9198      798        346          32   JSC Kazakhtelecom
 6830      790       2339         437   Liberty Global Operations B.V
12479      765        786          96   France Telecom Espana SA

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     3032        493         237   Telmex Colombia S.A.
28573     2500       2317         107   NET Serviços de Comunicação S
 7303     1766       1171         241   Telecom Argentina S.A.
 6147     1713        374          30   Telefonica del Peru S.A.A.
 8151     1480       3021         426   Uninet S.A. de C.V.
 6503     1203        433          58   Axtel, S.A.B. de C.V.
 7738      999       1882          41   Telemar Norte Leste S.A.
26615      914       2325          35   Tim Celular S.A.
27947      909        130          52   Telconet S.A
 3816      891        383         149   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
 8452     1395        958          13   TE-AS
24863      958        280          26   Link Egypt (Link.NET)
 6713      680        763          35   Office National des Postes et
36992      359        824          29   ETISALAT MISR
24835      308        144           9   Vodafone Data
 3741      249        920         212   Internet Solutions
29571      245         22          17   Cote d'Ivoire Telecom
37054      233         19           6   Data Telecom Service
37457      187        161           7   Telkom SA Ltd.
36947      179        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
 4538     5547       4190          71   China Education and Research 
10620     3032        493         237   Telmex Colombia S.A.
 4766     2952      11584         925   Korea Telecom
 6389     2894       3688          51   BellSouth.net Inc.
22773     2851       2956         144   Cox Communications Inc.
17974     2825        903          77   PT Telekomunikasi Indonesia
28573     2500       2317         107   NET Serviços de Comunicação S
 7545     2441        336         126   TPG Telecom Limited
18566     2045        379         184   MegaPath Corporation
 7029     2000       1960         317   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      2894        2843      BellSouth.net Inc.
10620      3032        2795      Telmex Colombia S.A.
17974      2825        2748      PT Telekomunikasi Indonesia
22773      2851        2707      Cox Communications Inc.
28573      2500        2393      NET Serviços de Comunicação S
 7545      2441        2315      TPG Telecom Limited
 4766      2952        2027      Korea Telecom
18566      2045        1861      MegaPath Corporation
 4755      1915        1728      TATA Communications formerly 
 7029      2000        1683      Windstream Communications Inc

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
46467   UNALLOCATED  8.19.192.0/24        46887       Lightower Fiber Netw
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
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
23.252.224.0/20      62502     Xnet Media LLC
23.252.224.0/21      62502     Xnet Media LLC
23.252.232.0/21      62502     Xnet Media LLC
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<<

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      /10:31      /11:90      /12:262     
/13:500     /14:1012    /15:1718    /16:13041   /17:7249    /18:12076   
/19:25510   /20:36567   /21:38018   /22:55828   /23:49160   /24:279415  
/25:1101    /26:1059    /27:705     /28:17      /29:19      /30:11      
/31:1       /32:13      

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

  ASN   No of nets  Total ann.   Description
22773     2065          2851      Cox Communications Inc.
18566     2000          2045      MegaPath Corporation
 6389     1674          2894      BellSouth.net Inc.
30036     1335          1488      Mediacom Communications Corp
 6147     1333          1713      Telefonica del Peru S.A.A.
 6983     1266          1581      ITC^Deltacom
 7029     1219          2000      Windstream Communications Inc
34984     1162          1842      TELLCOM ILETISIM HIZMETLERI A
11492     1144          1195      CABLE ONE, INC.
10620     1067          3032      Telmex Colombia S.A.

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

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

   1:1348      2:677       3:3         4:16        5:1193      6:21     
   8:772      12:1838     13:4        14:1183     15:17       16:2      
  17:42       18:21       20:51       23:957      24:1754     27:1817   
  31:1342     32:40       33:2        34:5        36:157      37:1817   
  38:1012     39:15       40:238      41:2955     42:348      43:603    
  44:20       45:80       46:2062     47:28       49:749      50:799    
  52:12       54:59       55:4        56:8        57:32       58:1197   
  59:717      60:438      61:1737     62:1242     63:1837     64:4415   
  65:2284     66:4182     67:2045     68:1092     69:3234     70:876    
  71:486      72:1986     74:2601     75:374      76:398      77:1603   
  78:901      79:773      80:1323     81:1287     82:807      83:663    
  84:713      85:1362     86:429      87:1172     88:500      89:1809   
  90:138      91:5812     92:804      93:1656     94:1929     95:1303   
  96:426      97:340      98:1091     99:48      100:67      101:783    
 103:6058    104:527     105:163     106:187     107:710     108:599    
 109:1984    110:1069    111:1443    112:733     113:900     114:800    
 115:1246    116:1213    117:1010    118:1587    119:1373    120:449    
 121:1021    122:2216    123:1699    124:1477    125:1601    128:644    
 129:387     130:377     131:933     132:422     133:164     134:322    
 135:82      136:325     137:317     138:385     139:202     140:229    
 141:419     142:598     143:445     144:512     145:110     146:676    
 147:555     148:1053    149:413     150:515     151:642     152:477    
 153:241     154:396     155:623     156:381     157:331     158:279    
 159:928     160:332     161:608     162:1856    163:371     164:648    
 165:669     166:363     167:690     168:1128    169:120     170:1428   
 171:215     172:60      173:1649    174:699     175:609     176:1518   
 177:3727    178:2087    179:812     180:1808    181:1809    182:1695   
 183:565     184:711     185:2321    186:2981    187:1659    188:2019   
 189:1538    190:7942    191:795     192:7748    193:5562    194:4048   
 195:3628    196:1662    197:795     198:5321    199:5482    200:6472   
 201:2910    202:9604    203:9016    204:4681    205:2665    206:3025   
 207:2962    208:3922    209:3799    210:3657    211:2035    212:2424   
 213:2197    214:861     215:84      216:5648    217:1710    218:718    
 219:549     220:1295    221:770     222:685     223:617    

End of report


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