[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 9 18:11:16 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 10 May, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 493796
Prefixes after maximum aggregation: 193891
Deaggregation factor: 2.55
Unique aggregates announced to Internet: 244717
Total ASes present in the Internet Routing Table: 46783
Prefixes per ASN: 10.56
Origin-only ASes present in the Internet Routing Table: 35788
Origin ASes announcing only one prefix: 16362
Transit ASes present in the Internet Routing Table: 6078
Transit-only ASes present in the Internet Routing Table: 173
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1828
Unregistered ASNs in the Routing Table: 460
Number of 32-bit ASNs allocated by the RIRs: 6563
Number of 32-bit ASNs visible in the Routing Table: 4917
Prefixes from 32-bit ASNs in the Routing Table: 16421
Number of bogon 32-bit ASNs visible in the Routing Table: 100
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 398
Number of addresses announced to Internet: 2682427140
Equivalent to 159 /8s, 226 /16s and 151 /24s
Percentage of available address space announced: 72.5
Percentage of allocated address space announced: 72.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.3
Total number of prefixes smaller than registry allocations: 171140
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 117515
Total APNIC prefixes after maximum aggregation: 34991
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 120427
Unique aggregates announced from the APNIC address blocks: 50342
APNIC Region origin ASes present in the Internet Routing Table: 4927
APNIC Prefixes per ASN: 24.44
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 868
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 940
Number of APNIC addresses announced to Internet: 732451712
Equivalent to 43 /8s, 168 /16s and 83 /24s
Percentage of available APNIC address space announced: 85.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 167973
Total ARIN prefixes after maximum aggregation: 83567
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 169469
Unique aggregates announced from the ARIN address blocks: 79909
ARIN Region origin ASes present in the Internet Routing Table: 16255
ARIN Prefixes per ASN: 10.43
ARIN Region origin ASes announcing only one prefix: 6117
ARIN Region transit ASes present in the Internet Routing Table: 1665
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 99
Number of ARIN addresses announced to Internet: 1075858560
Equivalent to 64 /8s, 32 /16s and 76 /24s
Percentage of available ARIN address space announced: 56.9
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: 123505
Total RIPE prefixes after maximum aggregation: 62580
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 128045
Unique aggregates announced from the RIPE address blocks: 80903
RIPE Region origin ASes present in the Internet Routing Table: 17675
RIPE Prefixes per ASN: 7.24
RIPE Region origin ASes announcing only one prefix: 8268
RIPE Region transit ASes present in the Internet Routing Table: 2874
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2693
Number of RIPE addresses announced to Internet: 657616260
Equivalent to 39 /8s, 50 /16s and 109 /24s
Percentage of available RIPE address space announced: 95.6
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: 56356
Total LACNIC prefixes after maximum aggregation: 10059
LACNIC Deaggregation factor: 5.60
Prefixes being announced from the LACNIC address blocks: 62858
Unique aggregates announced from the LACNIC address blocks: 28900
LACNIC Region origin ASes present in the Internet Routing Table: 2095
LACNIC Prefixes per ASN: 30.00
LACNIC Region origin ASes announcing only one prefix: 547
LACNIC Region transit ASes present in the Internet Routing Table: 437
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1155
Number of LACNIC addresses announced to Internet: 160668288
Equivalent to 9 /8s, 147 /16s and 154 /24s
Percentage of available LACNIC address space announced: 95.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus 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: 11917
Total AfriNIC prefixes after maximum aggregation: 2656
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 12599
Unique aggregates announced from the AfriNIC address blocks: 4335
AfriNIC Region origin ASes present in the Internet Routing Table: 715
AfriNIC Prefixes per ASN: 17.62
AfriNIC Region origin ASes announcing only one prefix: 203
AfriNIC Region transit ASes present in the Internet Routing Table: 153
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 55520512
Equivalent to 3 /8s, 79 /16s and 45 /24s
Percentage of available AfriNIC address space announced: 55.2
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 2947 11591 922 Korea Telecom
17974 2801 901 75 PT Telekomunikasi Indonesia
7545 2224 320 117 TPG Telecom Limited
4755 1855 396 199 TATA Communications formerly
9829 1629 1291 32 National Internet Backbone
9583 1328 103 545 Sify Limited
9498 1258 314 84 BHARTI Airtel Ltd.
7552 1225 1082 13 Viettel Corporation
4808 1208 2151 355 CNCGROUP IP network China169
24560 1130 388 175 Bharti Airtel Ltd., Telemedia
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 2966 3688 53 BellSouth.net Inc.
22773 2425 2937 134 Cox Communications Inc.
1785 2204 700 135 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
20115 1705 1688 564 Charter Communications
4323 1628 1073 409 tw telecom holdings, inc.
701 1479 11159 750 MCI Communications Services,
30036 1406 305 549 Mediacom Communications Corp
6983 1328 800 307 ITC^Deltacom
22561 1306 402 232 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 1708 264 270 TELLCOM ILETISIM HIZMETLERI A
8402 1506 544 16 OJSC "Vimpelcom"
20940 1320 506 988 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
31148 1018 45 19 Freenet Ltd.
8551 918 370 40 Bezeq International-Ltd
6849 822 357 27 JSC "Ukrtelecom"
6830 766 2333 427 Liberty Global Operations B.V
12479 721 797 56 France Telecom Espana SA
9198 564 344 25 JSC Kazakhtelecom
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
28573 3777 1989 101 NET Serviços de Comunicação S
10620 2854 462 191 Telmex Colombia S.A.
18881 1970 972 21 Global Village Telecom
7303 1755 1174 230 Telecom Argentina S.A.
8151 1402 2931 406 Uninet S.A. de C.V.
6503 1108 434 60 Axtel, S.A.B. de C.V.
7738 913 1754 40 Telemar Norte Leste S.A.
27947 872 114 50 Telconet S.A
26615 842 2325 35 Tim Celular S.A.
11830 815 364 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
36998 1114 240 6 Sudanese Mobile Telephone (ZA
24863 963 280 26 Link Egypt (Link.NET)
6713 614 722 28 Office National des Postes et
8452 573 958 13 TE-AS
24835 304 144 9 Vodafone Data
36992 301 783 24 ETISALAT MISR
3741 247 921 208 Internet Solutions
37054 229 19 6 Data Telecom Service
29571 228 22 16 Cote d'Ivoire Telecom
29975 192 668 21 Vodacom
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
28573 3777 1989 101 NET Serviços de Comunicação S
6389 2966 3688 53 BellSouth.net Inc.
4766 2947 11591 922 Korea Telecom
10620 2854 462 191 Telmex Colombia S.A.
17974 2801 901 75 PT Telekomunikasi Indonesia
22773 2425 2937 134 Cox Communications Inc.
7545 2224 320 117 TPG Telecom Limited
1785 2204 700 135 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
18881 1970 972 21 Global Village Telecom
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 2966 2913 BellSouth.net Inc.
17974 2801 2726 PT Telekomunikasi Indonesia
10620 2854 2663 Telmex Colombia S.A.
22773 2425 2291 Cox Communications Inc.
7545 2224 2107 TPG Telecom Limited
1785 2204 2069 PaeTec Communications, Inc.
4766 2947 2025 Korea Telecom
18881 1970 1949 Global Village Telecom
18566 2047 1869 MegaPath Corporation
4755 1855 1656 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
65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS
65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
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
22511 UNALLOCATED 8.28.225.0/24 2828 XO Communications
22511 UNALLOCATED 8.36.68.0/24 2828 XO Communications
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.14.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 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 /10:30 /11:90 /12:258
/13:483 /14:966 /15:1703 /16:12943 /17:6841 /18:11674
/19:24314 /20:34252 /21:36653 /22:52933 /23:46217 /24:262262
/25:771 /26:927 /27:397 /28:13 /29:20 /30:8
/31:1 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
6389 1694 2966 BellSouth.net Inc.
22773 1671 2425 Cox Communications Inc.
30036 1244 1406 Mediacom Communications Corp
8402 1200 1506 OJSC "Vimpelcom"
11492 1173 1213 CABLE ONE, INC.
1785 1166 2204 PaeTec Communications, Inc.
36998 1080 1114 Sudanese Mobile Telephone (ZA
6983 1043 1328 ITC^Deltacom
34984 1038 1708 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1029 2:662 3:3 4:15 5:983 6:19
8:742 12:1842 13:4 14:991 15:13 16:2
17:31 18:21 20:36 23:790 24:1734 25:1
27:1759 31:1478 32:40 33:2 34:5 36:131
37:1881 38:957 39:7 40:198 41:3187 42:250
44:12 46:2180 47:19 49:702 50:916 52:12
54:47 55:7 57:28 58:1235 59:602 60:405
61:1544 62:1236 63:1963 64:4366 65:2294 66:4158
67:2072 68:1031 69:3310 70:857 71:447 72:2010
74:2654 75:315 76:419 77:1532 78:892 79:707
80:1295 81:1163 82:743 83:757 84:721 85:1263
86:470 87:1169 88:483 89:1797 90:140 91:5688
92:693 93:1713 94:2036 95:1477 96:511 97:349
98:1076 99:48 100:54 101:796 103:4787 105:536
106:173 107:600 108:577 109:2055 110:959 111:1292
112:659 113:842 114:901 115:1121 116:1061 117:933
118:1398 119:1339 120:382 121:809 122:2032 123:1323
124:1408 125:1401 128:627 129:318 130:346 131:659
132:398 133:162 134:322 135:74 136:252 137:291
138:349 139:171 140:210 141:371 142:574 143:445
144:506 145:103 146:605 147:458 148:909 149:346
150:169 151:786 152:425 153:218 154:277 155:484
156:336 157:336 158:240 159:899 160:329 161:538
162:1412 163:220 164:691 165:599 166:280 167:614
168:1031 169:123 170:1399 171:191 172:21 173:1626
174:701 175:596 176:1460 177:2878 178:1983 179:617
180:1723 181:1135 182:1559 183:513 184:706 185:1600
186:2762 187:1553 188:1914 189:1458 190:7542 191:284
192:7265 193:5499 194:4051 195:3496 196:1406 197:645
198:5036 199:5575 200:6245 201:2610 202:9006 203:8883
204:4637 205:2702 206:2932 207:2953 208:3990 209:3726
210:3098 211:1684 212:2298 213:2078 214:901 215:86
216:5521 217:1678 218:578 219:321 220:1283 221:604
222:354 223:582
End of report
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