[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 14 18:12:04 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,
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 15 Nov, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 523387
Prefixes after maximum aggregation: 200080
Deaggregation factor: 2.62
Unique aggregates announced to Internet: 254079
Total ASes present in the Internet Routing Table: 48571
Prefixes per ASN: 10.78
Origin-only ASes present in the Internet Routing Table: 36287
Origin ASes announcing only one prefix: 16326
Transit ASes present in the Internet Routing Table: 6207
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: 78
Max AS path prepend of ASN ( 55644) 71
Prefixes from unregistered ASNs in the Routing Table: 1609
Unregistered ASNs in the Routing Table: 432
Number of 32-bit ASNs allocated by the RIRs: 7908
Number of 32-bit ASNs visible in the Routing Table: 6077
Prefixes from 32-bit ASNs in the Routing Table: 21732
Number of bogon 32-bit ASNs visible in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 385
Number of addresses announced to Internet: 2713710468
Equivalent to 161 /8s, 191 /16s and 239 /24s
Percentage of available address space announced: 73.3
Percentage of allocated address space announced: 73.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.9
Total number of prefixes smaller than registry allocations: 176898
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 133068
Total APNIC prefixes after maximum aggregation: 37013
APNIC Deaggregation factor: 3.60
Prefixes being announced from the APNIC address blocks: 137428
Unique aggregates announced from the APNIC address blocks: 53664
APNIC Region origin ASes present in the Internet Routing Table: 4988
APNIC Prefixes per ASN: 27.55
APNIC Region origin ASes announcing only one prefix: 1204
APNIC Region transit ASes present in the Internet Routing Table: 864
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 78
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1169
Number of APNIC addresses announced to Internet: 737090368
Equivalent to 43 /8s, 239 /16s and 27 /24s
Percentage of available APNIC address space announced: 86.1
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: 171939
Total ARIN prefixes after maximum aggregation: 85566
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 173830
Unique aggregates announced from the ARIN address blocks: 81757
ARIN Region origin ASes present in the Internet Routing Table: 16398
ARIN Prefixes per ASN: 10.60
ARIN Region origin ASes announcing only one prefix: 6088
ARIN Region transit ASes present in the Internet Routing Table: 1705
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 257
Number of ARIN addresses announced to Internet: 1053686464
Equivalent to 62 /8s, 205 /16s and 250 /24s
Percentage of available ARIN address space announced: 55.7
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: 125891
Total RIPE prefixes after maximum aggregation: 63703
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 131484
Unique aggregates announced from the RIPE address blocks: 82809
RIPE Region origin ASes present in the Internet Routing Table: 17803
RIPE Prefixes per ASN: 7.39
RIPE Region origin ASes announcing only one prefix: 8184
RIPE Region transit ASes present in the Internet Routing Table: 2931
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: 3196
Number of RIPE addresses announced to Internet: 691635332
Equivalent to 41 /8s, 57 /16s and 132 /24s
Percentage of available RIPE address space announced: 100.5
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: 58329
Total LACNIC prefixes after maximum aggregation: 10882
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 67079
Unique aggregates announced from the LACNIC address blocks: 30727
LACNIC Region origin ASes present in the Internet Routing Table: 2370
LACNIC Prefixes per ASN: 28.30
LACNIC Region origin ASes announcing only one prefix: 643
LACNIC Region transit ASes present in the Internet Routing Table: 472
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1391
Number of LACNIC addresses announced to Internet: 167846400
Equivalent to 10 /8s, 1 /16s and 34 /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: 12329
Total AfriNIC prefixes after maximum aggregation: 2872
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 13181
Unique aggregates announced from the AfriNIC address blocks: 4778
AfriNIC Region origin ASes present in the Internet Routing Table: 733
AfriNIC Prefixes per ASN: 17.98
AfriNIC Region origin ASes announcing only one prefix: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 152
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: 64
Number of AfriNIC addresses announced to Internet: 60012544
Equivalent to 3 /8s, 147 /16s and 184 /24s
Percentage of available AfriNIC address space announced: 59.6
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 5620 4190 71 China Education and Research
4766 2962 11585 932 Korea Telecom
17974 2841 903 77 PT Telekomunikasi Indonesia
7545 2458 336 126 TPG Telecom Limited
4755 1923 412 190 TATA Communications formerly
9829 1670 1322 37 National Internet Backbone
4812 1522 2098 110 China Telecom (Group)
9808 1487 6655 16 Guangdong Mobile Communicatio
4808 1425 2213 427 CNCGROUP IP network China169
9583 1362 112 561 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
6389 2894 3688 51 BellSouth.net Inc.
22773 2838 2956 144 Cox Communications Inc.
18566 2045 379 184 MegaPath Corporation
20115 1821 1796 479 Charter Communications
7029 1711 2180 363 Windstream Communications Inc
4323 1640 1052 412 tw telecom holdings, inc.
6983 1595 867 250 ITC^Deltacom
30036 1494 311 604 Mediacom Communications Corp
701 1430 11266 710 MCI Communications Services,
22561 1314 409 242 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 1839 296 355 TELLCOM ILETISIM HIZMETLERI A
20940 1502 582 1107 Akamai International B.V.
8402 1343 544 15 OJSC "Vimpelcom"
31148 1045 45 21 Freenet Ltd.
13188 1018 99 38 TOV "Bank-Inform"
8551 948 373 43 Bezeq International-Ltd
6849 828 356 26 JSC "Ukrtelecom"
9198 803 346 32 JSC Kazakhtelecom
6830 795 2339 438 Liberty Global Operations B.V
12479 767 785 96 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 3034 492 244 Telmex Colombia S.A.
28573 2450 2256 111 NET Serviços de Comunicação S
7303 1766 1171 241 Telecom Argentina S.A.
8151 1475 3015 428 Uninet S.A. de C.V.
6147 1368 374 30 Telefonica del Peru S.A.A.
6503 1133 433 58 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
27947 916 130 52 Telconet S.A
26615 914 2325 35 Tim Celular S.A.
3816 891 383 151 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 1399 958 13 TE-AS
24863 956 280 26 Link Egypt (Link.NET)
6713 586 762 34 Office National des Postes et
36992 359 824 29 ETISALAT MISR
24835 308 144 9 Vodafone Data
37492 280 125 63 Orange Tunisie
3741 249 920 212 Internet Solutions
29571 245 22 17 Cote d'Ivoire Telecom
37054 242 19 6 Data Telecom Service
37457 187 161 7 Telkom SA Ltd.
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 5620 4190 71 China Education and Research
10620 3034 492 244 Telmex Colombia S.A.
4766 2962 11585 932 Korea Telecom
6389 2894 3688 51 BellSouth.net Inc.
17974 2841 903 77 PT Telekomunikasi Indonesia
22773 2838 2956 144 Cox Communications Inc.
7545 2458 336 126 TPG Telecom Limited
28573 2450 2256 111 NET Serviços de Comunicação S
18566 2045 379 184 MegaPath Corporation
4755 1923 412 190 TATA Communications formerly
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 2894 2843 BellSouth.net Inc.
10620 3034 2790 Telmex Colombia S.A.
17974 2841 2764 PT Telekomunikasi Indonesia
22773 2838 2694 Cox Communications Inc.
28573 2450 2339 NET Serviços de Comunicação S
7545 2458 2332 TPG Telecom Limited
4766 2962 2030 Korea Telecom
18566 2045 1861 MegaPath Corporation
4755 1923 1733 TATA Communications formerly
9829 1670 1633 National Internet Backbone
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
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
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
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
23.252.224.0/20 62502 Xnet Media LLC
23.252.224.0/21 62502 Xnet Media LLC
23.252.232.0/21 62502 Xnet Media LLC
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<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 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 /10:31 /11:90 /12:262
/13:500 /14:1010 /15:1721 /16:13041 /17:7247 /18:12079
/19:25517 /20:36643 /21:37904 /22:55948 /23:48983 /24:279399
/25:1127 /26:1094 /27:705 /28:15 /29:19 /30:11
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2056 2838 Cox Communications Inc.
18566 2000 2045 MegaPath Corporation
6389 1674 2894 BellSouth.net Inc.
30036 1340 1494 Mediacom Communications Corp
6983 1279 1595 ITC^Deltacom
34984 1162 1839 TELLCOM ILETISIM HIZMETLERI A
11492 1161 1214 CABLE ONE, INC.
10620 1074 3034 Telmex Colombia S.A.
8402 1008 1343 OJSC "Vimpelcom"
22561 1005 1314 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1353 2:681 3:3 4:16 5:1180 6:22
8:769 12:1850 13:4 14:1192 15:17 16:2
17:42 18:21 20:51 23:961 24:1758 27:1816
31:1352 32:39 33:2 34:5 36:161 37:1823
38:1012 39:15 40:236 41:2984 42:283 43:633
44:20 45:81 46:2106 47:30 49:758 50:808
52:12 54:59 55:6 56:8 57:32 58:1203
59:720 60:442 61:1732 62:1310 63:1841 64:4425
65:2281 66:4171 67:2030 68:1087 69:3261 70:885
71:458 72:1989 74:2633 75:363 76:410 77:1621
78:916 79:779 80:1324 81:1286 82:811 83:665
84:718 85:1358 86:419 87:1170 88:504 89:1805
90:140 91:5869 92:801 93:1665 94:1930 95:1295
96:416 97:342 98:1071 99:48 100:67 101:754
103:6077 104:563 105:160 106:188 107:712 108:607
109:1982 110:1068 111:1435 112:741 113:917 114:805
115:1222 116:1244 117:1007 118:1603 119:1368 120:446
121:1023 122:2217 123:1697 124:1476 125:1601 128:656
129:389 130:380 131:950 132:427 133:164 134:320
135:82 136:326 137:307 138:387 139:199 140:228
141:422 142:599 143:452 144:504 145:111 146:688
147:561 148:1042 149:413 150:517 151:651 152:479
153:242 154:415 155:631 156:379 157:331 158:281
159:926 160:334 161:622 162:1826 163:371 164:648
165:670 166:309 167:693 168:1115 169:122 170:1430
171:215 172:60 173:1613 174:713 175:581 176:1525
177:3745 178:2108 179:796 180:1812 181:1585 182:1669
183:565 184:707 185:2333 186:2975 187:1655 188:2018
189:1503 190:7709 191:799 192:7785 193:5553 194:4050
195:3629 196:1653 197:817 198:5335 199:5485 200:6495
201:2887 202:9677 203:8991 204:4673 205:2671 206:3036
207:2956 208:3936 209:3817 210:3660 211:2036 212:2480
213:2184 214:843 215:86 216:5645 217:1713 218:716
219:550 220:1303 221:773 222:687 223:615
End of report
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