[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 6 18:12:34 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 07 Feb, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 531413
Prefixes after maximum aggregation (per Origin AS): 203223
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 258742
Total ASes present in the Internet Routing Table: 49323
Prefixes per ASN: 10.77
Origin-only ASes present in the Internet Routing Table: 36426
Origin ASes announcing only one prefix: 16291
Transit ASes present in the Internet Routing Table: 6256
Transit-only ASes present in the Internet Routing Table: 171
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 108
Max AS path prepend of ASN ( 60548) 101
Prefixes from unregistered ASNs in the Routing Table: 1729
Unregistered ASNs in the Routing Table: 422
Number of 32-bit ASNs allocated by the RIRs: 8523
Number of 32-bit ASNs visible in the Routing Table: 6641
Prefixes from 32-bit ASNs in the Routing Table: 24025
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 366
Number of addresses announced to Internet: 2723652128
Equivalent to 162 /8s, 87 /16s and 162 /24s
Percentage of available address space announced: 73.6
Percentage of allocated address space announced: 73.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.2
Total number of prefixes smaller than registry allocations: 180263
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 131329
Total APNIC prefixes after maximum aggregation: 38230
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 136555
Unique aggregates announced from the APNIC address blocks: 55629
APNIC Region origin ASes present in the Internet Routing Table: 5025
APNIC Prefixes per ASN: 27.18
APNIC Region origin ASes announcing only one prefix: 1231
APNIC Region transit ASes present in the Internet Routing Table: 882
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 107
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1290
Number of APNIC addresses announced to Internet: 741427840
Equivalent to 44 /8s, 49 /16s and 74 /24s
Percentage of available APNIC address space announced: 86.7
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: 175419
Total ARIN prefixes after maximum aggregation: 86719
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 177355
Unique aggregates announced from the ARIN address blocks: 83028
ARIN Region origin ASes present in the Internet Routing Table: 16477
ARIN Prefixes per ASN: 10.76
ARIN Region origin ASes announcing only one prefix: 6085
ARIN Region transit ASes present in the Internet Routing Table: 1723
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 338
Number of ARIN addresses announced to Internet: 1060286496
Equivalent to 63 /8s, 50 /16s and 176 /24s
Percentage of available ARIN address space announced: 56.1
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: 129626
Total RIPE prefixes after maximum aggregation: 64254
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 135915
Unique aggregates announced from the RIPE address blocks: 83195
RIPE Region origin ASes present in the Internet Routing Table: 17842
RIPE Prefixes per ASN: 7.62
RIPE Region origin ASes announcing only one prefix: 8129
RIPE Region transit ASes present in the Internet Routing Table: 2942
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 108
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3422
Number of RIPE addresses announced to Internet: 692703616
Equivalent to 41 /8s, 73 /16s and 209 /24s
Percentage of available RIPE address space announced: 100.7
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: 58338
Total LACNIC prefixes after maximum aggregation: 11023
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 67733
Unique aggregates announced from the LACNIC address blocks: 31528
LACNIC Region origin ASes present in the Internet Routing Table: 2402
LACNIC Prefixes per ASN: 28.20
LACNIC Region origin ASes announcing only one prefix: 639
LACNIC Region transit ASes present in the Internet Routing Table: 482
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1502
Number of LACNIC addresses announced to Internet: 167694592
Equivalent to 9 /8s, 254 /16s and 209 /24s
Percentage of available LACNIC address space announced: 100.0
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: 12498
Total AfriNIC prefixes after maximum aggregation: 2953
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 13489
Unique aggregates announced from the AfriNIC address blocks: 5037
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 18.35
AfriNIC Region origin ASes announcing only one prefix: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 156
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 89
Number of AfriNIC addresses announced to Internet: 61107456
Equivalent to 3 /8s, 164 /16s and 109 /24s
Percentage of available AfriNIC address space announced: 60.7
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 2882 11553 912 Korea Telecom
17974 2823 904 77 PT Telekomunikasi Indonesia
7545 2506 336 127 TPG Telecom Limited
4755 1973 421 202 TATA Communications formerly
4538 1758 4190 71 China Education and Research
9829 1686 1325 36 National Internet Backbone
9808 1527 6719 19 Guangdong Mobile Communicatio
4808 1460 2218 436 CNCGROUP IP network China169
9583 1392 115 572 Sify Limited
9498 1296 336 97 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 2980 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2566 10683 471 Level 3 Communications, Inc.
18566 2042 379 183 MegaPath Corporation
20115 1853 1827 447 Charter Communications
6983 1622 866 244 EarthLink, Inc.
4323 1621 1037 406 tw telecom holdings, inc.
30036 1543 322 497 Mediacom Communications Corp
701 1392 11268 679 MCI Communications Services,
22561 1331 411 240 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 1968 301 355 TELLCOM ILETISIM HIZMETLERI A
20940 1553 605 1159 Akamai International B.V.
8402 1373 544 15 OJSC "Vimpelcom"
6849 1233 356 25 JSC "Ukrtelecom"
31148 1045 45 21 Freenet Ltd.
13188 1040 97 60 TOV "Bank-Inform"
8551 901 373 48 Bezeq International-Ltd
9198 848 349 25 JSC Kazakhtelecom
12479 848 793 85 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 3049 498 262 Telmex Colombia S.A.
28573 2343 2141 111 NET Serviços de Comunicação S
7303 1771 1173 234 Telecom Argentina S.A.
6147 1713 374 30 Telefonica del Peru S.A.A.
8151 1515 3113 430 Uninet S.A. de C.V.
6503 1227 421 57 Axtel, S.A.B. de C.V.
7738 1001 1882 42 Telemar Norte Leste S.A.
26615 920 2325 35 Tim Celular S.A.
3816 908 395 150 COLOMBIA TELECOMUNICACIONES S
18881 862 1037 23 Global Village Telecom
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 1537 958 13 TE-AS
24863 958 284 26 Link Egypt (Link.NET)
36903 479 241 90 Office National des Postes et
36992 373 845 30 ETISALAT MISR
37492 324 144 64 Orange Tunisie
24835 295 144 9 Vodafone Data
3741 250 921 209 Internet Solutions
29571 234 21 12 Cote d'Ivoire Telecom
36947 197 807 13 Telecom Algeria
15706 176 32 6 Sudatel (Sudan Telecom Co. Lt
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 3049 498 262 Telmex Colombia S.A.
22773 2980 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
4766 2882 11553 912 Korea Telecom
17974 2823 904 77 PT Telekomunikasi Indonesia
3356 2566 10683 471 Level 3 Communications, Inc.
7545 2506 336 127 TPG Telecom Limited
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2343 2141 111 NET Serviços de Comunicação S
18566 2042 379 183 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
6389 2891 2840 BellSouth.net Inc.
22773 2980 2839 Cox Communications Inc.
17974 2823 2746 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2506 2379 TPG Telecom Limited
28573 2343 2232 NET Serviços de Comunicação S
3356 2566 2095 Level 3 Communications, Inc.
4766 2882 1970 Korea Telecom
18566 2042 1859 MegaPath Corporation
4755 1973 1771 TATA Communications formerly
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
23.92.160.0/24 14013 EPSON America (Factory Automa
23.92.161.0/24 14013 EPSON America (Factory Automa
23.252.224.0/20 62502 >>UNKNOWN<<
23.252.224.0/21 62502 >>UNKNOWN<<
23.252.232.0/21 62502 >>UNKNOWN<<
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<<
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 /10:32 /11:92 /12:264
/13:504 /14:996 /15:1718 /16:12968 /17:7125 /18:12114
/19:25000 /20:35654 /21:38441 /22:57531 /23:50240 /24:285716
/25:1166 /26:1095 /27:680 /28:17 /29:12 /30:7
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2197 2980 Cox Communications Inc.
18566 1997 2042 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1388 1543 Mediacom Communications Corp
6983 1313 1622 EarthLink, Inc.
34984 1271 1968 TELLCOM ILETISIM HIZMETLERI A
6147 1257 1713 Telefonica del Peru S.A.A.
11492 1131 1189 CABLE ONE, INC.
10620 1074 3049 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1477 2:665 3:1 4:97 5:1732 6:21
8:1407 12:1843 13:4 14:1258 15:17 16:2
17:40 20:48 23:1130 24:1677 27:1857 31:1472
32:39 33:2 34:5 35:2 36:121 37:1906
38:990 39:10 40:233 41:3023 42:262 43:1007
44:23 45:109 46:2104 47:34 49:787 50:791
52:12 54:66 55:4 56:8 57:32 58:1202
59:679 60:457 61:1762 62:1304 63:1905 64:4415
65:2255 66:4083 67:2017 68:1042 69:3276 70:939
71:432 72:1952 74:2611 75:314 76:409 77:1482
78:1281 79:786 80:1313 81:1318 82:814 83:678
84:674 85:1325 86:379 87:1071 88:516 89:1755
90:139 91:5892 92:802 93:2222 94:1941 95:2076
96:425 97:337 98:1053 99:47 100:69 101:788
103:6646 104:1192 105:62 106:204 107:883 108:608
109:2013 110:1074 111:1463 112:753 113:1021 114:839
115:1253 116:1322 117:1027 118:1695 119:1422 120:451
121:1039 122:2181 123:1711 124:1482 125:1551 128:635
129:373 130:375 131:1091 132:480 133:167 134:396
135:88 136:312 137:299 138:458 139:173 140:227
141:420 142:636 143:446 144:524 145:110 146:671
147:551 148:1086 149:417 150:559 151:590 152:486
153:248 154:312 155:721 156:399 157:332 158:265
159:976 160:368 161:630 162:1888 163:390 164:650
165:669 166:322 167:705 168:1004 169:141 170:1437
171:223 172:45 173:1588 174:686 175:620 176:1436
177:3694 178:2103 179:878 180:1908 181:1572 182:1705
183:601 184:741 185:2828 186:2688 187:1795 188:2016
189:1540 190:7743 191:865 192:8091 193:5562 194:4061
195:3627 196:1685 197:912 198:5459 199:5516 200:6529
201:2935 202:9543 203:9056 204:4660 205:2732 206:3004
207:2975 208:3951 209:3878 210:3493 211:1827 212:2431
213:2294 214:837 215:69 216:5541 217:1806 218:668
219:466 220:1441 221:798 222:464 223:656
End of report
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