Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 26 18:12:33 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 27 Jun, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 550382
Prefixes after maximum aggregation (per Origin AS): 208414
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 267700
Total ASes present in the Internet Routing Table: 50752
Prefixes per ASN: 10.84
Origin-only ASes present in the Internet Routing Table: 36709
Origin ASes announcing only one prefix: 16258
Transit ASes present in the Internet Routing Table: 6327
Transit-only ASes present in the Internet Routing Table: 166
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 67
Max AS path prepend of ASN (197377) 50
Prefixes from unregistered ASNs in the Routing Table: 1233
Unregistered ASNs in the Routing Table: 424
Number of 32-bit ASNs allocated by the RIRs: 9984
Number of 32-bit ASNs visible in the Routing Table: 7716
Prefixes from 32-bit ASNs in the Routing Table: 28287
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 407
Number of addresses announced to Internet: 2782158752
Equivalent to 165 /8s, 212 /16s and 95 /24s
Percentage of available address space announced: 75.1
Percentage of allocated address space announced: 75.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.4
Total number of prefixes smaller than registry allocations: 184409
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 135761
Total APNIC prefixes after maximum aggregation: 39420
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 142431
Unique aggregates announced from the APNIC address blocks: 57131
APNIC Region origin ASes present in the Internet Routing Table: 5073
APNIC Prefixes per ASN: 28.08
APNIC Region origin ASes announcing only one prefix: 1213
APNIC Region transit ASes present in the Internet Routing Table: 884
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: 1519
Number of APNIC addresses announced to Internet: 750638656
Equivalent to 44 /8s, 189 /16s and 214 /24s
Percentage of available APNIC address space announced: 87.7
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: 180171
Total ARIN prefixes after maximum aggregation: 88106
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 182665
Unique aggregates announced from the ARIN address blocks: 85208
ARIN Region origin ASes present in the Internet Routing Table: 16611
ARIN Prefixes per ASN: 11.00
ARIN Region origin ASes announcing only one prefix: 6113
ARIN Region transit ASes present in the Internet Routing Table: 1734
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 507
Number of ARIN addresses announced to Internet: 1101184800
Equivalent to 65 /8s, 162 /16s and 191 /24s
Percentage of available ARIN address space announced: 58.3
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: 133456
Total RIPE prefixes after maximum aggregation: 66325
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 139963
Unique aggregates announced from the RIPE address blocks: 86694
RIPE Region origin ASes present in the Internet Routing Table: 17975
RIPE Prefixes per ASN: 7.79
RIPE Region origin ASes announcing only one prefix: 8125
RIPE Region transit ASes present in the Internet Routing Table: 2965
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3803
Number of RIPE addresses announced to Internet: 695997696
Equivalent to 41 /8s, 124 /16s and 21 /24s
Percentage of available RIPE address space announced: 101.2
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: 60411
Total LACNIC prefixes after maximum aggregation: 11431
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 71086
Unique aggregates announced from the LACNIC address blocks: 33061
LACNIC Region origin ASes present in the Internet Routing Table: 2439
LACNIC Prefixes per ASN: 29.15
LACNIC Region origin ASes announcing only one prefix: 611
LACNIC Region transit ASes present in the Internet Routing Table: 505
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1759
Number of LACNIC addresses announced to Internet: 168135232
Equivalent to 10 /8s, 5 /16s and 138 /24s
Percentage of available LACNIC address space announced: 100.2
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: 3083
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 13830
Unique aggregates announced from the AfriNIC address blocks: 5237
AfriNIC Region origin ASes present in the Internet Routing Table: 739
AfriNIC Prefixes per ASN: 18.71
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: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 128
Number of AfriNIC addresses announced to Internet: 65711360
Equivalent to 3 /8s, 234 /16s and 173 /24s
Percentage of available AfriNIC address space announced: 65.3
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 2952 11304 938 Korea Telecom
17974 2698 904 78 PT Telekomunikasi Indonesia
7545 2606 336 129 TPG Telecom Limited
4755 2026 423 222 TATA Communications formerly
4538 1936 4190 71 China Education and Research
9829 1764 1353 122 National Internet Backbone
9808 1551 8717 28 Guangdong Mobile Communicatio
9583 1491 118 567 Sify Limited
4808 1453 2239 464 CNCGROUP IP network China169
9498 1355 336 106 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 3182 2960 141 Cox Communications Inc.
6389 2792 3688 51 BellSouth.net Inc.
3356 2584 10688 502 Level 3 Communications, Inc.
18566 2054 380 195 MegaPath Corporation
20115 1865 1855 416 Charter Communications
6983 1750 850 244 EarthLink, Inc.
4323 1605 1022 411 tw telecom holdings, inc.
30036 1565 320 443 Mediacom Communications Corp
701 1393 11371 676 MCI Communications Services,
22561 1383 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 2138 305 364 TELLCOM ILETISIM HIZMETLERI A
20940 1980 771 1444 Akamai International B.V.
6849 1209 355 21 JSC "Ukrtelecom"
13188 1052 97 73 TOV "Bank-Inform"
31148 1048 45 23 Freenet Ltd.
8402 996 544 15 OJSC "Vimpelcom"
12479 950 869 74 France Telecom Espana SA
6830 912 2694 468 Liberty Global Operations B.V
8551 883 376 53 Bezeq International-Ltd
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 3256 532 238 Telmex Colombia S.A.
28573 2285 2170 113 NET Serviços de Comunicação S
8151 1695 3249 471 Uninet S.A. de C.V.
7303 1633 1005 238 Telecom Argentina S.A.
6147 1568 372 43 Telefonica del Peru S.A.A.
6503 1267 421 55 Axtel, S.A.B. de C.V.
26615 1077 2325 35 Tim Celular S.A.
7738 999 1882 41 Telemar Norte Leste S.A.
3816 951 428 161 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 816 958 13 TE-AS
36903 511 257 103 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 304 146 12 Vodafone Data
3741 250 857 208 Internet Solutions
29571 242 21 13 Cote d'Ivoire Telecom
37054 199 20 7 Data Telecom Service
36947 191 807 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 3256 532 238 Telmex Colombia S.A.
22773 3182 2960 141 Cox Communications Inc.
4766 2952 11304 938 Korea Telecom
6389 2792 3688 51 BellSouth.net Inc.
17974 2698 904 78 PT Telekomunikasi Indonesia
7545 2606 336 129 TPG Telecom Limited
3356 2584 10688 502 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2285 2170 113 NET Serviços de Comunicação S
34984 2138 305 364 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 3182 3041 Cox Communications Inc.
6389 2792 2741 BellSouth.net Inc.
17974 2698 2620 PT Telekomunikasi Indonesia
7545 2606 2477 TPG Telecom Limited
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2285 2172 NET Serviços de Comunicação S
3356 2584 2082 Level 3 Communications, Inc.
4766 2952 2014 Korea Telecom
4538 1936 1865 China Education and Research
18566 2054 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
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
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
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
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
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 /8:17 /9:13 /10:36 /11:96 /12:263
/13:507 /14:1005 /15:1728 /16:12931 /17:7274 /18:12335
/19:25537 /20:36099 /21:38850 /22:60283 /23:52221 /24:298188
/25:1098 /26:1139 /27:714 /28:14 /29:12 /30:7
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2382 3182 Cox Communications Inc.
18566 2003 2054 MegaPath Corporation
6389 1640 2792 BellSouth.net Inc.
6983 1397 1750 EarthLink, Inc.
34984 1395 2138 TELLCOM ILETISIM HIZMETLERI A
30036 1389 1565 Mediacom Communications Corp
10620 1146 3256 Telmex Colombia S.A.
6147 1122 1568 Telefonica del Peru S.A.A.
11492 1108 1191 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1498 2:682 4:93 5:1865 6:25 8:1408
11:1 12:1822 13:14 14:1380 15:16 16:2
17:43 18:22 20:48 23:1248 24:1735 27:1936
31:1589 32:38 33:2 34:4 35:3 36:137
37:2000 38:1045 39:6 40:83 41:2705 42:298
43:1343 44:28 45:831 46:2296 47:45 49:905
50:809 52:12 54:77 55:4 56:6 57:42
58:1323 59:715 60:480 61:1745 62:1353 63:1915
64:4474 65:2268 66:4047 67:2076 68:1065 69:3250
70:1024 71:448 72:1964 74:2663 75:336 76:424
77:1260 78:1166 79:788 80:1350 81:1294 82:846
83:723 84:722 85:1398 86:428 87:1045 88:533
89:1870 90:152 91:6008 92:869 93:2245 94:2055
95:2177 96:426 97:349 98:1055 99:53 100:72
101:845 103:7713 104:1843 105:61 106:237 107:991
108:631 109:2080 110:1134 111:1440 112:827 113:1100
114:832 115:1279 116:1393 117:1056 118:1844 119:1454
120:444 121:1091 122:2148 123:1844 124:1524 125:1618
128:624 129:390 130:410 131:1217 132:503 133:177
134:403 135:95 136:331 137:320 138:915 139:152
140:237 141:445 142:666 143:497 144:550 145:124
146:739 147:588 148:1217 149:416 150:559 151:670
152:521 153:247 154:481 155:867 156:433 157:419
158:344 159:1008 160:385 161:661 162:1956 163:438
164:686 165:694 166:314 167:837 168:1319 169:181
170:1466 171:245 172:248 173:1544 174:719 175:700
176:1361 177:3747 178:2155 179:940 180:1934 181:1683
182:1805 183:624 184:760 185:3738 186:2762 187:1770
188:2049 189:1591 190:7827 191:1022 192:8488 193:5624
194:4179 195:3693 196:1980 197:968 198:5539 199:5494
200:6663 201:3250 202:9461 203:9131 204:4706 205:2840
206:3053 207:2970 208:3989 209:3969 210:3546 211:1867
212:2551 213:2369 214:841 215:73 216:5744 217:1815
218:705 219:463 220:1453 221:786 222:477 223:746
End of report
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