[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 2 18:11:39 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 03 Jan, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 524053
Prefixes after maximum aggregation (per Origin AS): 201599
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 256561
Total ASes present in the Internet Routing Table: 48968
Prefixes per ASN: 10.70
Origin-only ASes present in the Internet Routing Table: 36361
Origin ASes announcing only one prefix: 16299
Transit ASes present in the Internet Routing Table: 6217
Transit-only ASes present in the Internet Routing Table: 170
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 100
Max AS path prepend of ASN ( 55644) 93
Prefixes from unregistered ASNs in the Routing Table: 1641
Unregistered ASNs in the Routing Table: 432
Number of 32-bit ASNs allocated by the RIRs: 8291
Number of 32-bit ASNs visible in the Routing Table: 6390
Prefixes from 32-bit ASNs in the Routing Table: 22960
Number of bogon 32-bit ASNs visible in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 396
Number of addresses announced to Internet: 2718618692
Equivalent to 162 /8s, 10 /16s and 212 /24s
Percentage of available address space announced: 73.4
Percentage of allocated address space announced: 73.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.0
Total number of prefixes smaller than registry allocations: 176798
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 129283
Total APNIC prefixes after maximum aggregation: 37681
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 134136
Unique aggregates announced from the APNIC address blocks: 54942
APNIC Region origin ASes present in the Internet Routing Table: 5007
APNIC Prefixes per ASN: 26.79
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 864
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 100
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1238
Number of APNIC addresses announced to Internet: 740595776
Equivalent to 44 /8s, 36 /16s and 152 /24s
Percentage of available APNIC address space announced: 86.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 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: 174308
Total ARIN prefixes after maximum aggregation: 86308
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 176223
Unique aggregates announced from the ARIN address blocks: 82419
ARIN Region origin ASes present in the Internet Routing Table: 16418
ARIN Prefixes per ASN: 10.73
ARIN Region origin ASes announcing only one prefix: 6066
ARIN Region transit ASes present in the Internet Routing Table: 1711
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 305
Number of ARIN addresses announced to Internet: 1055482112
Equivalent to 62 /8s, 233 /16s and 97 /24s
Percentage of available ARIN address space announced: 55.8
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: 125806
Total RIPE prefixes after maximum aggregation: 63668
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 131835
Unique aggregates announced from the RIPE address blocks: 82713
RIPE Region origin ASes present in the Internet Routing Table: 17829
RIPE Prefixes per ASN: 7.39
RIPE Region origin ASes announcing only one prefix: 8176
RIPE Region transit ASes present in the Internet Routing Table: 2927
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3315
Number of RIPE addresses announced to Internet: 692034180
Equivalent to 41 /8s, 63 /16s and 154 /24s
Percentage of available RIPE address space announced: 100.6
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: 59103
Total LACNIC prefixes after maximum aggregation: 10919
LACNIC Deaggregation factor: 5.41
Prefixes being announced from the LACNIC address blocks: 68106
Unique aggregates announced from the LACNIC address blocks: 31173
LACNIC Region origin ASes present in the Internet Routing Table: 2397
LACNIC Prefixes per ASN: 28.41
LACNIC Region origin ASes announcing only one prefix: 641
LACNIC Region transit ASes present in the Internet Routing Table: 481
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1450
Number of LACNIC addresses announced to Internet: 167434112
Equivalent to 9 /8s, 250 /16s and 215 /24s
Percentage of available LACNIC address space announced: 99.8
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: 12442
Total AfriNIC prefixes after maximum aggregation: 2979
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 13357
Unique aggregates announced from the AfriNIC address blocks: 4958
AfriNIC Region origin ASes present in the Internet Routing Table: 727
AfriNIC Prefixes per ASN: 18.37
AfriNIC Region origin ASes announcing only one prefix: 201
AfriNIC Region transit ASes present in the Internet Routing Table: 152
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: 82
Number of AfriNIC addresses announced to Internet: 60958976
Equivalent to 3 /8s, 162 /16s and 41 /24s
Percentage of available AfriNIC address space announced: 60.6
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
4766 2942 11559 925 Korea Telecom
17974 2816 904 77 PT Telekomunikasi Indonesia
7545 2489 336 127 TPG Telecom Limited
4755 1928 418 190 TATA Communications formerly
4538 1758 4190 71 China Education and Research
9829 1638 1323 28 National Internet Backbone
9808 1516 6719 19 Guangdong Mobile Communicatio
4808 1456 2211 431 CNCGROUP IP network China169
9583 1314 106 538 Sify Limited
9498 1298 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 2920 2956 142 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2563 10700 474 Level 3 Communications, Inc.
18566 2042 379 183 MegaPath Corporation
20115 1854 1825 445 Charter Communications
4323 1629 1054 409 tw telecom holdings, inc.
6983 1624 867 245 EarthLink, Inc.
30036 1509 312 582 Mediacom Communications Corp
701 1411 11262 695 MCI Communications Services,
22561 1340 411 242 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 1924 299 354 TELLCOM ILETISIM HIZMETLERI A
20940 1529 597 1127 Akamai International B.V.
8402 1415 544 15 OJSC "Vimpelcom"
31148 1045 45 21 Freenet Ltd.
13188 1036 97 54 TOV "Bank-Inform"
8551 906 373 48 Bezeq International-Ltd
9198 851 349 26 JSC Kazakhtelecom
6830 824 2340 444 Liberty Global Operations B.V
12479 819 794 85 France Telecom Espana SA
9121 598 1693 21 Turk Telekomunikasyon Anonim
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 3059 496 238 Telmex Colombia S.A.
28573 2308 2126 115 NET Serviços de Comunicação S
6147 1793 374 30 Telefonica del Peru S.A.A.
7303 1771 1172 237 Telecom Argentina S.A.
8151 1488 3052 433 Uninet S.A. de C.V.
6503 1227 417 57 Axtel, S.A.B. de C.V.
7738 1000 1882 42 Telemar Norte Leste S.A.
26615 930 2325 35 Tim Celular S.A.
3816 911 396 148 COLOMBIA TELECOMUNICACIONES S
27947 889 129 50 Telconet 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
8452 1479 958 13 TE-AS
24863 950 284 26 Link Egypt (Link.NET)
36903 482 243 89 Office National des Postes et
36992 369 845 29 ETISALAT MISR
37492 347 145 64 Orange Tunisie
24835 308 144 9 Vodafone Data
3741 250 921 213 Internet Solutions
29571 234 21 12 Cote d'Ivoire Telecom
36947 192 807 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 3059 496 238 Telmex Colombia S.A.
4766 2942 11559 925 Korea Telecom
22773 2920 2956 142 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
17974 2816 904 77 PT Telekomunikasi Indonesia
3356 2563 10700 474 Level 3 Communications, Inc.
7545 2489 336 127 TPG Telecom Limited
28573 2308 2126 115 NET Serviços de Comunicação S
18566 2042 379 183 MegaPath Corporation
4755 1928 418 190 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 2891 2840 BellSouth.net Inc.
22773 2920 2778 Cox Communications Inc.
17974 2816 2739 PT Telekomunikasi Indonesia
7545 2489 2362 TPG Telecom Limited
28573 2308 2193 NET Serviços de Comunicação S
3356 2563 2089 Level 3 Communications, Inc.
4766 2942 2017 Korea Telecom
18566 2042 1859 MegaPath Corporation
6147 1793 1763 Telefonica del Peru S.A.A.
4755 1928 1738 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
50309 UNALLOCATED 5.250.170.0/24 12714 Net By Net Holding L
50309 UNALLOCATED 5.250.174.0/24 12714 Net By Net Holding L
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
36270 UNALLOCATED 8.24.66.0/24 3356 Level 3 Communicatio
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
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 >>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<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 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 /11:92 /12:265
/13:502 /14:998 /15:1727 /16:13049 /17:7172 /18:11949
/19:24845 /20:35605 /21:38150 /22:56453 /23:48993 /24:281241
/25:1123 /26:1089 /27:687 /28:17 /29:18 /30:10
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2135 2920 Cox Communications Inc.
18566 1997 2042 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1355 1509 Mediacom Communications Corp
6147 1337 1793 Telefonica del Peru S.A.A.
6983 1311 1624 EarthLink, Inc.
34984 1231 1924 TELLCOM ILETISIM HIZMETLERI A
11492 1116 1175 CABLE ONE, INC.
10620 1087 3059 Telmex Colombia S.A.
8402 1084 1415 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1406 2:672 3:3 4:95 5:1209 6:21
8:1412 11:1 12:1839 13:4 14:1212 15:17
16:2 17:45 18:21 20:51 23:1069 24:1666
27:1828 31:1464 32:39 33:2 34:5 36:136
37:1859 38:970 39:14 40:226 41:3000 42:286
43:827 44:21 45:86 46:2134 47:32 49:779
50:784 52:12 54:60 55:7 56:8 57:31
58:1092 59:657 60:451 61:1736 62:1289 63:1888
64:4404 65:2266 66:4071 67:2004 68:1030 69:3246
70:905 71:428 72:1959 74:2612 75:326 76:410
77:1363 78:1034 79:783 80:1327 81:1303 82:813
83:675 84:676 85:1324 86:387 87:1215 88:520
89:1799 90:139 91:5861 92:794 93:1666 94:1941
95:1406 96:422 97:337 98:1045 99:48 100:69
101:792 103:6409 104:949 105:90 106:198 107:893
108:608 109:2048 110:1049 111:1453 112:741 113:897
114:799 115:1233 116:1288 117:1016 118:1670 119:1367
120:436 121:991 122:2192 123:1711 124:1466 125:1510
128:637 129:360 130:381 131:1066 132:430 133:167
134:388 135:87 136:330 137:298 138:382 139:176
140:224 141:420 142:621 143:438 144:507 145:111
146:687 147:565 148:1061 149:407 150:535 151:590
152:467 153:247 154:292 155:662 156:408 157:333
158:264 159:957 160:369 161:632 162:1854 163:369
164:651 165:663 166:322 167:722 168:1158 169:132
170:1426 171:223 172:50 173:1564 174:702 175:596
176:1472 177:3687 178:2098 179:816 180:1846 181:1686
182:1688 183:537 184:727 185:2584 186:2943 187:1683
188:2006 189:1561 190:7886 191:838 192:7970 193:5554
194:4047 195:3629 196:1665 197:853 198:5424 199:5497
200:6539 201:2946 202:9472 203:9056 204:4692 205:2718
206:2990 207:2968 208:3907 209:3848 210:3491 211:1832
212:2531 213:2245 214:829 215:73 216:5516 217:1778
218:649 219:453 220:1319 221:776 222:458 223:645
End of report
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