[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 9 18:11:58 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 10 Oct, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 565680
Prefixes after maximum aggregation (per Origin AS): 210869
Deaggregation factor: 2.68
Unique aggregates announced (without unneeded subnets): 275233
Total ASes present in the Internet Routing Table: 51691
Prefixes per ASN: 10.94
Origin-only ASes present in the Internet Routing Table: 36654
Origin ASes announcing only one prefix: 16087
Transit ASes present in the Internet Routing Table: 6413
Transit-only ASes present in the Internet Routing Table: 172
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 46
Max AS path prepend of ASN ( 55644) 41
Prefixes from unregistered ASNs in the Routing Table: 1057
Unregistered ASNs in the Routing Table: 408
Number of 32-bit ASNs allocated by the RIRs: 11280
Number of 32-bit ASNs visible in the Routing Table: 8624
Prefixes from 32-bit ASNs in the Routing Table: 32795
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 449
Number of addresses announced to Internet: 2812565952
Equivalent to 167 /8s, 164 /16s and 89 /24s
Percentage of available address space announced: 76.0
Percentage of allocated address space announced: 76.0
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: 186993
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 143717
Total APNIC prefixes after maximum aggregation: 39745
APNIC Deaggregation factor: 3.62
Prefixes being announced from the APNIC address blocks: 151507
Unique aggregates announced from the APNIC address blocks: 60319
APNIC Region origin ASes present in the Internet Routing Table: 5091
APNIC Prefixes per ASN: 29.76
APNIC Region origin ASes announcing only one prefix: 1198
APNIC Region transit ASes present in the Internet Routing Table: 891
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 45
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1647
Number of APNIC addresses announced to Internet: 753971968
Equivalent to 44 /8s, 240 /16s and 179 /24s
Percentage of available APNIC address space announced: 88.1
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: 179957
Total ARIN prefixes after maximum aggregation: 88284
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 183082
Unique aggregates announced from the ARIN address blocks: 86438
ARIN Region origin ASes present in the Internet Routing Table: 16566
ARIN Prefixes per ASN: 11.05
ARIN Region origin ASes announcing only one prefix: 6032
ARIN Region transit ASes present in the Internet Routing Table: 1751
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: 734
Number of ARIN addresses announced to Internet: 1118857920
Equivalent to 66 /8s, 176 /16s and 106 /24s
Percentage of available ARIN address space announced: 59.2
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: 136435
Total RIPE prefixes after maximum aggregation: 67997
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 143652
Unique aggregates announced from the RIPE address blocks: 89149
RIPE Region origin ASes present in the Internet Routing Table: 18004
RIPE Prefixes per ASN: 7.98
RIPE Region origin ASes announcing only one prefix: 8040
RIPE Region transit ASes present in the Internet Routing Table: 2993
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: 4086
Number of RIPE addresses announced to Internet: 699825920
Equivalent to 41 /8s, 182 /16s and 127 /24s
Percentage of available RIPE address space announced: 101.7
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, 196608-204287
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: 60747
Total LACNIC prefixes after maximum aggregation: 11702
LACNIC Deaggregation factor: 5.19
Prefixes being announced from the LACNIC address blocks: 73044
Unique aggregates announced from the LACNIC address blocks: 33545
LACNIC Region origin ASes present in the Internet Routing Table: 2471
LACNIC Prefixes per ASN: 29.56
LACNIC Region origin ASes announcing only one prefix: 621
LACNIC Region transit ASes present in the Internet Routing Table: 535
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1998
Number of LACNIC addresses announced to Internet: 169659136
Equivalent to 10 /8s, 28 /16s and 203 /24s
Percentage of available LACNIC address space announced: 101.1
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: 11914
Total AfriNIC prefixes after maximum aggregation: 3099
AfriNIC Deaggregation factor: 3.84
Prefixes being announced from the AfriNIC address blocks: 13946
Unique aggregates announced from the AfriNIC address blocks: 5426
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 18.97
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 171
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 159
Number of AfriNIC addresses announced to Internet: 69716224
Equivalent to 4 /8s, 39 /16s and 201 /24s
Percentage of available AfriNIC address space announced: 69.3
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
4538 5593 4192 76 China Education and Research
4766 3010 11134 984 Korea Telecom
7545 2870 340 141 TPG Telecom Limited
17974 2699 908 90 PT Telekomunikasi Indonesia
4755 2057 430 229 TATA Communications formerly
9829 1930 1388 237 National Internet Backbone
9808 1642 8639 18 Guangdong Mobile Communicatio
4812 1574 2099 113 China Telecom (Group)
4808 1523 2258 481 CNCGROUP IP network China169
9583 1496 119 561 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
22773 3194 2966 145 Cox Communications Inc.
6389 2685 3688 44 BellSouth.net Inc.
3356 2529 10709 501 Level 3 Communications, Inc.
18566 2204 393 264 MegaPath Corporation
20115 1891 1892 397 Charter Communications
6983 1740 866 241 EarthLink, Inc.
30036 1629 330 385 Mediacom Communications Corp
4323 1584 1005 405 tw telecom holdings, inc.
701 1399 11401 675 MCI Communications Services,
22561 1278 364 218 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 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2144 840 1548 Akamai International B.V.
34984 2026 304 395 TELLCOM ILETISIM HIZMETLERI A
6849 1209 355 21 JSC "Ukrtelecom"
8402 1176 544 15 OJSC "Vimpelcom"
13188 1070 97 76 TOV "Bank-Inform"
31148 1039 46 40 Freenet Ltd.
12479 1018 966 84 France Telecom Espana SA
8551 981 376 52 Bezeq International-Ltd
6830 900 2694 465 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 3387 540 172 Telmex Colombia S.A.
28573 1978 2164 121 NET Serviços de Comunicação S
8151 1802 3307 492 Uninet S.A. de C.V.
7303 1572 940 239 Telecom Argentina S.A.
6503 1401 437 55 Axtel, S.A.B. de C.V.
6147 1058 374 30 Telefonica del Peru S.A.A.
26615 1030 2325 35 Tim Celular S.A.
7738 997 1882 41 Telemar Norte Leste S.A.
11830 994 364 24 Instituto Costarricense de El
3816 955 437 164 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 976 1468 10 TE-AS
24863 599 262 82 Link Egypt (Link.NET)
36903 522 263 99 Office National des Postes et
36992 414 1229 32 ETISALAT MISR
37492 315 191 72 Orange Tunisie
29571 246 21 12 Cote d'Ivoire Telecom
3741 220 853 183 Internet Solutions
24835 209 144 8 Vodafone Data
36947 196 807 13 Telecom Algeria
15706 171 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
4538 5593 4192 76 China Education and Research
10620 3387 540 172 Telmex Colombia S.A.
22773 3194 2966 145 Cox Communications Inc.
4766 3010 11134 984 Korea Telecom
7545 2870 340 141 TPG Telecom Limited
17974 2699 908 90 PT Telekomunikasi Indonesia
6389 2685 3688 44 BellSouth.net Inc.
3356 2529 10709 501 Level 3 Communications, Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
18566 2204 393 264 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
10620 3387 3215 Telmex Colombia S.A.
22773 3194 3049 Cox Communications Inc.
7545 2870 2729 TPG Telecom Limited
6389 2685 2641 BellSouth.net Inc.
17974 2699 2609 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
3356 2529 2028 Level 3 Communications, Inc.
4766 3010 2026 Korea Telecom
18566 2204 1940 MegaPath Corporation
28573 1978 1857 NET Serviços de Comunicação S
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
33646 UNALLOCATED 8.37.4.0/24 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
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
23.249.144.0/21 40430 colo4jax, LLC
23.249.152.0/21 40430 colo4jax, LLC
27.50.8.0/24 55548 >>UNKNOWN<<
27.50.9.0/24 55548 >>UNKNOWN<<
27.50.10.0/24 55548 >>UNKNOWN<<
27.50.11.0/24 55548 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.170.96.0/23 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 /8:18 /9:13 /10:36 /11:95 /12:262
/13:503 /14:1005 /15:1746 /16:12913 /17:7395 /18:12587
/19:26181 /20:37385 /21:39604 /22:61983 /23:54339 /24:307300
/25:821 /26:944 /27:491 /28:15 /29:14 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2473 SaudiNet, Saudi Telecom Compa
22773 2402 3194 Cox Communications Inc.
18566 2110 2204 MegaPath Corporation
6389 1607 2685 BellSouth.net Inc.
30036 1448 1629 Mediacom Communications Corp
6983 1387 1740 EarthLink, Inc.
34984 1347 2026 TELLCOM ILETISIM HIZMETLERI A
10620 1262 3387 Telmex Colombia S.A.
11492 1114 1196 CABLE ONE, INC.
6849 992 1209 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1593 2:692 4:97 5:1900 6:25 8:1411
12:1809 13:17 14:1472 15:16 16:2 17:48
18:22 20:51 23:1255 24:1735 27:2091 31:1628
32:52 33:2 34:4 35:4 36:163 37:2242
38:1076 39:15 40:72 41:2808 42:343 43:1571
44:32 45:1357 46:2358 47:55 49:1006 50:805
52:23 54:94 55:6 56:6 57:43 58:1425
59:782 60:505 61:1789 62:1386 63:1911 64:4400
65:2213 66:4027 67:2071 68:1075 69:3275 70:1035
71:456 72:1985 74:2550 75:364 76:401 77:1392
78:1237 79:799 80:1349 81:1362 82:889 83:673
84:772 85:1411 86:453 87:1028 88:526 89:1918
90:151 91:6011 92:832 93:2299 94:2172 95:2210
96:460 97:350 98:955 99:56 100:75 101:852
103:8492 104:2036 105:76 106:352 107:1059 108:629
109:2132 110:1221 111:1459 112:839 113:1121 114:870
115:1426 116:1514 117:1113 118:1951 119:1495 120:478
121:1149 122:2253 123:1863 124:1564 125:1736 128:703
129:367 130:431 131:1255 132:544 133:160 134:430
135:115 136:349 137:293 138:1389 139:174 140:246
141:438 142:654 143:565 144:561 145:127 146:777
147:595 148:1275 149:429 150:602 151:649 152:568
153:266 154:484 155:887 156:424 157:424 158:349
159:1058 160:410 161:685 162:2149 163:467 164:693
165:861 166:306 167:886 168:1240 169:196 170:1501
171:258 172:303 173:1537 174:716 175:713 176:1462
177:4009 178:2204 179:1027 180:1949 181:1600 182:1817
183:641 184:748 185:4442 186:2950 187:1863 188:2081
189:1673 190:7560 191:1189 192:8616 193:5661 194:4270
195:3677 196:1944 197:1130 198:5515 199:5517 200:6668
201:3250 202:9815 203:9201 204:4547 205:2707 206:3044
207:2996 208:3999 209:3909 210:3778 211:2042 212:2558
213:2261 214:835 215:72 216:5742 217:1810 218:804
219:537 220:1580 221:825 222:724 223:831
End of report
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