[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 17 18:11:41 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 18 Jul, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 552114
Prefixes after maximum aggregation (per Origin AS): 208717
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 269446
Total ASes present in the Internet Routing Table: 50925
Prefixes per ASN: 10.84
Origin-only ASes present in the Internet Routing Table: 36684
Origin ASes announcing only one prefix: 16204
Transit ASes present in the Internet Routing Table: 6344
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: 39
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 1393
Unregistered ASNs in the Routing Table: 468
Number of 32-bit ASNs allocated by the RIRs: 10255
Number of 32-bit ASNs visible in the Routing Table: 7897
Prefixes from 32-bit ASNs in the Routing Table: 29205
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: 394
Number of addresses announced to Internet: 2768034912
Equivalent to 164 /8s, 252 /16s and 220 /24s
Percentage of available address space announced: 74.8
Percentage of allocated address space announced: 74.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.5
Total number of prefixes smaller than registry allocations: 184582
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 136627
Total APNIC prefixes after maximum aggregation: 39587
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 143533
Unique aggregates announced from the APNIC address blocks: 58259
APNIC Region origin ASes present in the Internet Routing Table: 5064
APNIC Prefixes per ASN: 28.34
APNIC Region origin ASes announcing only one prefix: 1193
APNIC Region transit ASes present in the Internet Routing Table: 882
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1550
Number of APNIC addresses announced to Internet: 751143744
Equivalent to 44 /8s, 197 /16s and 139 /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: 179472
Total ARIN prefixes after maximum aggregation: 87853
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 182133
Unique aggregates announced from the ARIN address blocks: 85215
ARIN Region origin ASes present in the Internet Routing Table: 16609
ARIN Prefixes per ASN: 10.97
ARIN Region origin ASes announcing only one prefix: 6109
ARIN Region transit ASes present in the Internet Routing Table: 1738
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: 551
Number of ARIN addresses announced to Internet: 1083495456
Equivalent to 64 /8s, 148 /16s and 212 /24s
Percentage of available ARIN address space announced: 57.3
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: 133904
Total RIPE prefixes after maximum aggregation: 66659
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 140644
Unique aggregates announced from the RIPE address blocks: 87280
RIPE Region origin ASes present in the Internet Routing Table: 17964
RIPE Prefixes per ASN: 7.83
RIPE Region origin ASes announcing only one prefix: 8093
RIPE Region transit ASes present in the Internet Routing Table: 2978
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3864
Number of RIPE addresses announced to Internet: 698388864
Equivalent to 41 /8s, 160 /16s and 145 /24s
Percentage of available RIPE address space announced: 101.5
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: 60452
Total LACNIC prefixes after maximum aggregation: 11503
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 71351
Unique aggregates announced from the LACNIC address blocks: 33083
LACNIC Region origin ASes present in the Internet Routing Table: 2450
LACNIC Prefixes per ASN: 29.12
LACNIC Region origin ASes announcing only one prefix: 613
LACNIC Region transit ASes present in the Internet Routing Table: 514
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: 1800
Number of LACNIC addresses announced to Internet: 168644224
Equivalent to 10 /8s, 13 /16s and 78 /24s
Percentage of available LACNIC address space announced: 100.5
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: 12213
Total AfriNIC prefixes after maximum aggregation: 3066
AfriNIC Deaggregation factor: 3.98
Prefixes being announced from the AfriNIC address blocks: 14059
Unique aggregates announced from the AfriNIC address blocks: 5243
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 19.13
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 158
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 132
Number of AfriNIC addresses announced to Internet: 65865472
Equivalent to 3 /8s, 237 /16s and 7 /24s
Percentage of available AfriNIC address space announced: 65.4
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 2949 11305 940 Korea Telecom
17974 2699 904 78 PT Telekomunikasi Indonesia
7545 2568 339 137 TPG Telecom Limited
4538 2084 4190 71 China Education and Research
4755 2035 428 236 TATA Communications formerly
9829 1803 1359 151 National Internet Backbone
9808 1586 8717 29 Guangdong Mobile Communicatio
9583 1516 119 570 Sify Limited
4808 1464 2245 471 CNCGROUP IP network China169
9498 1360 335 107 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 3173 2957 136 Cox Communications Inc.
6389 2758 3688 51 BellSouth.net Inc.
3356 2580 10703 512 Level 3 Communications, Inc.
18566 2063 381 200 MegaPath Corporation
20115 1868 1843 407 Charter Communications
6983 1751 850 244 EarthLink, Inc.
4323 1609 1022 414 tw telecom holdings, inc.
30036 1572 321 433 Mediacom Communications Corp
701 1393 11371 677 MCI Communications Services,
22561 1382 415 257 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
34984 2209 305 366 TELLCOM ILETISIM HIZMETLERI A
20940 2047 805 1480 Akamai International B.V.
6849 1209 355 21 JSC "Ukrtelecom"
8551 1104 376 52 Bezeq International-Ltd
13188 1062 97 76 TOV "Bank-Inform"
31148 1055 46 24 Freenet Ltd.
8402 990 544 15 OJSC "Vimpelcom"
12479 961 933 77 France Telecom Espana SA
6830 919 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 3293 537 189 Telmex Colombia S.A.
28573 2285 2171 111 NET Serviços de Comunicação S
8151 1699 3273 474 Uninet S.A. de C.V.
7303 1630 1008 239 Telecom Argentina S.A.
6147 1398 374 30 Telefonica del Peru S.A.A.
6503 1309 421 55 Axtel, S.A.B. de C.V.
26615 1098 2325 35 Tim Celular S.A.
7738 999 1882 41 Telemar Norte Leste S.A.
3816 953 430 163 COLOMBIA TELECOMUNICACIONES S
11830 892 364 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 876 280 26 Link Egypt (Link.NET)
8452 831 958 13 TE-AS
36903 512 258 99 Office National des Postes et
36992 441 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 307 146 12 Vodafone Data
3741 250 857 208 Internet Solutions
29571 246 21 13 Cote d'Ivoire Telecom
37054 211 20 7 Data Telecom Service
36947 187 807 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 3293 537 189 Telmex Colombia S.A.
22773 3173 2957 136 Cox Communications Inc.
4766 2949 11305 940 Korea Telecom
6389 2758 3688 51 BellSouth.net Inc.
17974 2699 904 78 PT Telekomunikasi Indonesia
3356 2580 10703 512 Level 3 Communications, Inc.
7545 2568 339 137 TPG Telecom Limited
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2285 2171 111 NET Serviços de Comunicação S
34984 2209 305 366 TELLCOM ILETISIM HIZMETLERI A
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 3173 3037 Cox Communications Inc.
6389 2758 2707 BellSouth.net Inc.
17974 2699 2621 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2568 2431 TPG Telecom Limited
28573 2285 2174 NET Serviços de Comunicação S
3356 2580 2068 Level 3 Communications, Inc.
4538 2084 2013 China Education and Research
4766 2949 2009 Korea Telecom
18566 2063 1863 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
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
47051 UNALLOCATED 8.36.119.0/24 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
23.226.112.0/20 62788 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.3.0/24 37004 >>UNKNOWN<<
41.73.4.0/24 37004 >>UNKNOWN<<
41.73.5.0/24 37004 >>UNKNOWN<<
41.73.6.0/24 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 /9:13 /10:36 /11:95 /12:260
/13:505 /14:1002 /15:1730 /16:12896 /17:7279 /18:12347
/19:25575 /20:36002 /21:38764 /22:60364 /23:52568 /24:299641
/25:1104 /26:1155 /27:708 /28:14 /29:13 /30:9
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2373 3173 Cox Communications Inc.
18566 2007 2063 MegaPath Corporation
6389 1629 2758 BellSouth.net Inc.
34984 1464 2209 TELLCOM ILETISIM HIZMETLERI A
6983 1398 1751 EarthLink, Inc.
30036 1394 1572 Mediacom Communications Corp
10620 1161 3293 Telmex Colombia S.A.
11492 1110 1193 CABLE ONE, INC.
22561 1055 1382 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1518 2:666 4:93 5:1889 6:25 8:1377
12:1817 13:14 14:1322 15:16 16:2 17:45
18:22 20:49 23:1250 24:1752 27:1991 31:1617
32:37 33:2 34:4 35:3 36:156 37:1966
38:1034 39:5 40:69 41:2726 42:292 43:1370
44:28 45:816 46:2304 47:47 49:925 50:787
52:12 54:79 55:4 56:6 57:42 58:1334
59:720 60:482 61:1752 62:1371 63:1891 64:4367
65:2261 66:4022 67:2061 68:1057 69:3250 70:1026
71:445 72:1952 74:2628 75:342 76:398 77:1272
78:1183 79:808 80:1352 81:1319 82:851 83:686
84:795 85:1351 86:435 87:1060 88:533 89:1913
90:143 91:6009 92:832 93:2268 94:2081 95:2201
96:435 97:348 98:1050 99:53 100:72 101:846
103:7810 104:1982 105:64 106:339 107:1029 108:627
109:2089 110:1145 111:1447 112:839 113:1109 114:843
115:1258 116:1416 117:1068 118:1871 119:1456 120:455
121:1137 122:2158 123:1838 124:1518 125:1626 128:628
129:393 130:411 131:1211 132:512 133:171 134:407
135:94 136:335 137:321 138:988 139:151 140:238
141:450 142:660 143:506 144:548 145:123 146:783
147:577 148:1146 149:414 150:565 151:706 152:523
153:251 154:489 155:881 156:439 157:420 158:356
159:1022 160:396 161:659 162:1982 163:439 164:693
165:697 166:306 167:828 168:1263 169:181 170:1465
171:246 172:275 173:1549 174:720 175:689 176:1443
177:3902 178:2165 179:939 180:1937 181:1612 182:1852
183:628 184:762 185:3881 186:2855 187:1771 188:2069
189:1635 190:7693 191:1037 192:8517 193:5658 194:4217
195:3706 196:1998 197:1025 198:5547 199:5495 200:6620
201:3253 202:9533 203:9140 204:4713 205:2846 206:3056
207:2969 208:3983 209:3917 210:3586 211:1923 212:2558
213:2320 214:850 215:72 216:5751 217:1836 218:722
219:470 220:1465 221:797 222:466 223:786
End of report
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