[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 11 18:12:03 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 12 Jul, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 503164
Prefixes after maximum aggregation: 195513
Deaggregation factor: 2.57
Unique aggregates announced to Internet: 247724
Total ASes present in the Internet Routing Table: 47246
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 35956
Origin ASes announcing only one prefix: 16342
Transit ASes present in the Internet Routing Table: 6120
Transit-only ASes present in the Internet Routing Table: 172
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: 1788
Unregistered ASNs in the Routing Table: 482
Number of 32-bit ASNs allocated by the RIRs: 7001
Number of 32-bit ASNs visible in the Routing Table: 5170
Prefixes from 32-bit ASNs in the Routing Table: 18371
Number of bogon 32-bit ASNs visible in the Routing Table: 347
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 415
Number of addresses announced to Internet: 2707601764
Equivalent to 161 /8s, 98 /16s and 185 /24s
Percentage of available address space announced: 73.1
Percentage of allocated address space announced: 73.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.6
Total number of prefixes smaller than registry allocations: 173889
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 121252
Total APNIC prefixes after maximum aggregation: 35618
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 124480
Unique aggregates announced from the APNIC address blocks: 51637
APNIC Region origin ASes present in the Internet Routing Table: 4959
APNIC Prefixes per ASN: 25.10
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 879
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1001
Number of APNIC addresses announced to Internet: 734683264
Equivalent to 43 /8s, 202 /16s and 96 /24s
Percentage of available APNIC address space announced: 85.9
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: 168962
Total ARIN prefixes after maximum aggregation: 84057
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 170799
Unique aggregates announced from the ARIN address blocks: 79814
ARIN Region origin ASes present in the Internet Routing Table: 16322
ARIN Prefixes per ASN: 10.46
ARIN Region origin ASes announcing only one prefix: 6110
ARIN Region transit ASes present in the Internet Routing Table: 1682
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 139
Number of ARIN addresses announced to Internet: 1089677600
Equivalent to 64 /8s, 243 /16s and 41 /24s
Percentage of available ARIN address space announced: 57.6
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: 124053
Total RIPE prefixes after maximum aggregation: 62839
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 128838
Unique aggregates announced from the RIPE address blocks: 81548
RIPE Region origin ASes present in the Internet Routing Table: 17739
RIPE Prefixes per ASN: 7.26
RIPE Region origin ASes announcing only one prefix: 8264
RIPE Region transit ASes present in the Internet Routing Table: 2878
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: 2727
Number of RIPE addresses announced to Internet: 658378628
Equivalent to 39 /8s, 62 /16s and 15 /24s
Percentage of available RIPE address space announced: 95.7
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: 58379
Total LACNIC prefixes after maximum aggregation: 10247
LACNIC Deaggregation factor: 5.70
Prefixes being announced from the LACNIC address blocks: 65862
Unique aggregates announced from the LACNIC address blocks: 29896
LACNIC Region origin ASes present in the Internet Routing Table: 2140
LACNIC Prefixes per ASN: 30.78
LACNIC Region origin ASes announcing only one prefix: 535
LACNIC Region transit ASes present in the Internet Routing Table: 448
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1259
Number of LACNIC addresses announced to Internet: 166714944
Equivalent to 9 /8s, 239 /16s and 222 /24s
Percentage of available LACNIC address space announced: 99.4
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: 12046
Total AfriNIC prefixes after maximum aggregation: 2715
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 12770
Unique aggregates announced from the AfriNIC address blocks: 4469
AfriNIC Region origin ASes present in the Internet Routing Table: 719
AfriNIC Prefixes per ASN: 17.76
AfriNIC Region origin ASes announcing only one prefix: 209
AfriNIC Region transit ASes present in the Internet Routing Table: 156
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 44
Number of AfriNIC addresses announced to Internet: 57782272
Equivalent to 3 /8s, 113 /16s and 176 /24s
Percentage of available AfriNIC address space announced: 57.4
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 2968 11592 924 Korea Telecom
17974 2792 899 72 PT Telekomunikasi Indonesia
7545 2326 320 118 TPG Telecom Limited
4755 1857 392 197 TATA Communications formerly
9829 1655 1306 31 National Internet Backbone
9583 1313 103 537 Sify Limited
9498 1289 317 93 BHARTI Airtel Ltd.
7552 1243 1098 14 Viettel Corporation
4808 1205 1774 355 CNCGROUP IP network China169
24560 1149 398 190 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 2952 3688 53 BellSouth.net Inc.
22773 2717 2940 139 Cox Communications Inc.
7029 2457 1905 304 Windstream Communications Inc
18566 2047 379 178 MegaPath Corporation
20115 1728 1716 567 Charter Communications
4323 1629 1073 411 tw telecom holdings, inc.
30036 1472 316 609 Mediacom Communications Corp
701 1440 11187 727 MCI Communications Services,
6983 1380 817 312 ITC^Deltacom
22561 1304 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 1718 265 276 TELLCOM ILETISIM HIZMETLERI A
20940 1443 564 1063 Akamai International B.V.
8402 1338 544 15 OJSC "Vimpelcom"
31148 1042 45 20 Freenet Ltd.
13188 1031 100 28 TOV "Bank-Inform"
8551 964 370 41 Bezeq International-Ltd
6849 818 356 26 JSC "Ukrtelecom"
6830 772 2335 429 Liberty Global Operations B.V
12479 736 795 57 France Telecom Espana SA
9198 588 346 28 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 2027 103 NET Serviços de Comunicação S
10620 2915 472 212 Telmex Colombia S.A.
18881 2073 1036 22 Global Village Telecom
7303 1769 1180 231 Telecom Argentina S.A.
8151 1439 2967 419 Uninet S.A. de C.V.
6503 1118 434 61 Axtel, S.A.B. de C.V.
6147 1029 373 28 Telefonica del Peru S.A.A.
7738 979 1882 41 Telemar Norte Leste S.A.
27947 895 130 53 Telconet S.A
26615 863 2325 35 Tim Celular S.A.
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 913 280 26 Link Egypt (Link.NET)
6713 672 744 40 Office National des Postes et
8452 592 958 13 TE-AS
36992 309 784 25 ETISALAT MISR
24835 306 144 9 Vodafone Data
37054 258 19 6 Data Telecom Service
3741 249 920 212 Internet Solutions
29571 232 22 18 Cote d'Ivoire Telecom
15706 187 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
28573 3777 2027 103 NET Serviços de Comunicação S
4766 2968 11592 924 Korea Telecom
6389 2952 3688 53 BellSouth.net Inc.
10620 2915 472 212 Telmex Colombia S.A.
17974 2792 899 72 PT Telekomunikasi Indonesia
22773 2717 2940 139 Cox Communications Inc.
7029 2457 1905 304 Windstream Communications Inc
7545 2326 320 118 TPG Telecom Limited
18881 2073 1036 22 Global Village Telecom
18566 2047 379 178 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 2952 2899 BellSouth.net Inc.
17974 2792 2720 PT Telekomunikasi Indonesia
10620 2915 2703 Telmex Colombia S.A.
22773 2717 2578 Cox Communications Inc.
7545 2326 2208 TPG Telecom Limited
7029 2457 2153 Windstream Communications Inc
18881 2073 2051 Global Village Telecom
4766 2968 2044 Korea Telecom
18566 2047 1869 MegaPath Corporation
4755 1857 1660 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
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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.240.0/20 40430 colo4jax, LLC
23.226.240.0/21 40430 colo4jax, LLC
23.226.248.0/21 40430 colo4jax, LLC
24.231.96.0/24 21548 MTO Telecom Inc.
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<<
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 /10:30 /11:91 /12:259
/13:494 /14:975 /15:1701 /16:13010 /17:6988 /18:11685
/19:24688 /20:35018 /21:37396 /22:53928 /23:47268 /24:267375
/25:840 /26:946 /27:389 /28:13 /29:17 /30:10
/31:1 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
22773 1960 2717 Cox Communications Inc.
6389 1693 2952 BellSouth.net Inc.
30036 1314 1472 Mediacom Communications Corp
7029 1278 2457 Windstream Communications Inc
11492 1189 1240 CABLE ONE, INC.
6983 1088 1380 ITC^Deltacom
36998 1080 1114 Sudanese Mobile Telephone (ZA
34984 1046 1718 TELLCOM ILETISIM HIZMETLERI A
8402 1033 1338 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1163 2:657 3:3 4:15 5:1033 6:19
8:713 12:1830 13:4 14:1101 15:15 16:2
17:38 18:21 20:37 23:889 24:1756 27:1713
31:1499 32:41 33:2 34:5 36:138 37:1814
38:952 39:7 40:204 41:3155 42:253 43:117
44:13 45:35 46:2074 47:22 49:726 50:810
52:12 54:46 55:6 56:1 57:29 58:1173
59:616 60:416 61:1577 62:1252 63:1861 64:4378
65:2286 66:4159 67:2061 68:1078 69:3340 70:887
71:441 72:2009 74:2630 75:318 76:410 77:1663
78:835 79:698 80:1321 81:1207 82:768 83:767
84:747 85:1313 86:426 87:1177 88:463 89:1791
90:138 91:5701 92:721 93:1752 94:1993 95:1581
96:499 97:360 98:1093 99:49 100:64 101:941
103:5235 104:42 105:545 106:180 107:573 108:576
109:2048 110:993 111:1345 112:671 113:852 114:805
115:1137 116:1093 117:964 118:1495 119:1415 120:412
121:848 122:2112 123:1405 124:1417 125:1543 128:573
129:339 130:351 131:655 132:417 133:162 134:318
135:74 136:286 137:287 138:366 139:165 140:204
141:385 142:568 143:403 144:511 145:106 146:652
147:482 148:905 149:386 150:344 151:712 152:444
153:221 154:306 155:515 156:355 157:341 158:250
159:910 160:328 161:565 162:1601 163:304 164:696
165:626 166:291 167:649 168:1059 169:124 170:1356
171:185 172:65 173:1502 174:718 175:600 176:1391
177:3276 178:2058 179:766 180:1760 181:1281 182:1598
183:536 184:732 185:1861 186:2876 187:1628 188:2137
189:1487 190:7663 191:629 192:7402 193:5516 194:4046
195:3517 196:1413 197:676 198:5093 199:5513 200:6313
201:2676 202:9127 203:8953 204:4589 205:2636 206:2964
207:2969 208:3963 209:3734 210:3098 211:1723 212:2311
213:2110 214:870 215:87 216:5613 217:1685 218:613
219:330 220:1285 221:626 222:353 223:594
End of report
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