[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 26 18:11:43 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 27 Dec, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 524268
Prefixes after maximum aggregation: 201685
Deaggregation factor: 2.60
Unique aggregates announced to Internet: 256512
Total ASes present in the Internet Routing Table: 48941
Prefixes per ASN: 10.71
Origin-only ASes present in the Internet Routing Table: 36363
Origin ASes announcing only one prefix: 16284
Transit ASes present in the Internet Routing Table: 6207
Transit-only ASes present in the Internet Routing Table: 166
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: 1667
Unregistered ASNs in the Routing Table: 424
Number of 32-bit ASNs allocated by the RIRs: 8281
Number of 32-bit ASNs visible in the Routing Table: 6371
Prefixes from 32-bit ASNs in the Routing Table: 22956
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 375
Number of addresses announced to Internet: 2718222148
Equivalent to 162 /8s, 4 /16s and 199 /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: 177212
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 129011
Total APNIC prefixes after maximum aggregation: 37668
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 133863
Unique aggregates announced from the APNIC address blocks: 54835
APNIC Region origin ASes present in the Internet Routing Table: 5007
APNIC Prefixes per ASN: 26.74
APNIC Region origin ASes announcing only one prefix: 1211
APNIC Region transit ASes present in the Internet Routing Table: 864
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 100
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1229
Number of APNIC addresses announced to Internet: 740474432
Equivalent to 44 /8s, 34 /16s and 190 /24s
Percentage of available APNIC address space announced: 86.5
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: 174104
Total ARIN prefixes after maximum aggregation: 86239
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 175987
Unique aggregates announced from the ARIN address blocks: 82335
ARIN Region origin ASes present in the Internet Routing Table: 16407
ARIN Prefixes per ASN: 10.73
ARIN Region origin ASes announcing only one prefix: 6062
ARIN Region transit ASes present in the Internet Routing Table: 1712
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: 304
Number of ARIN addresses announced to Internet: 1055216640
Equivalent to 62 /8s, 229 /16s and 84 /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: 126324
Total RIPE prefixes after maximum aggregation: 63838
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 132358
Unique aggregates announced from the RIPE address blocks: 82961
RIPE Region origin ASes present in the Internet Routing Table: 17833
RIPE Prefixes per ASN: 7.42
RIPE Region origin ASes announcing only one prefix: 8168
RIPE Region transit ASes present in the Internet Routing Table: 2926
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: 3308
Number of RIPE addresses announced to Internet: 692283268
Equivalent to 41 /8s, 67 /16s and 103 /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: 59207
Total LACNIC prefixes after maximum aggregation: 10930
LACNIC Deaggregation factor: 5.42
Prefixes being announced from the LACNIC address blocks: 68225
Unique aggregates announced from the LACNIC address blocks: 31110
LACNIC Region origin ASes present in the Internet Routing Table: 2397
LACNIC Prefixes per ASN: 28.46
LACNIC Region origin ASes announcing only one prefix: 640
LACNIC Region transit ASes present in the Internet Routing Table: 478
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: 1449
Number of LACNIC addresses announced to Internet: 167563136
Equivalent to 9 /8s, 252 /16s and 207 /24s
Percentage of available LACNIC address space announced: 99.9
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: 12515
Total AfriNIC prefixes after maximum aggregation: 2966
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 13460
Unique aggregates announced from the AfriNIC address blocks: 4935
AfriNIC Region origin ASes present in the Internet Routing Table: 730
AfriNIC Prefixes per ASN: 18.44
AfriNIC Region origin ASes announcing only one prefix: 203
AfriNIC Region transit ASes present in the Internet Routing Table: 151
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: 81
Number of AfriNIC addresses announced to Internet: 60850176
Equivalent to 3 /8s, 160 /16s and 128 /24s
Percentage of available AfriNIC address space announced: 60.4
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 2894 11579 923 Korea Telecom
17974 2822 904 77 PT Telekomunikasi Indonesia
7545 2490 336 128 TPG Telecom Limited
4755 1926 418 190 TATA Communications formerly
4538 1759 4190 71 China Education and Research
9829 1658 1319 45 National Internet Backbone
9808 1511 6719 19 Guangdong Mobile Communicatio
4808 1452 2211 431 CNCGROUP IP network China169
9583 1315 106 537 Sify Limited
9498 1300 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 2918 2955 141 Cox Communications Inc.
6389 2877 3688 51 BellSouth.net Inc.
3356 2552 10700 473 Level 3 Communications, Inc.
18566 2042 379 183 MegaPath Corporation
20115 1855 1825 445 Charter Communications
4323 1636 1054 409 tw telecom holdings, inc.
6983 1624 867 245 EarthLink, Inc.
30036 1510 311 579 Mediacom Communications Corp
701 1412 11262 696 MCI Communications Services,
22561 1317 411 244 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 1921 299 354 TELLCOM ILETISIM HIZMETLERI A
20940 1527 593 1128 Akamai International B.V.
8402 1436 544 15 OJSC "Vimpelcom"
31148 1037 45 21 Freenet Ltd.
13188 1036 97 54 TOV "Bank-Inform"
8551 903 373 48 Bezeq International-Ltd
9198 838 349 26 JSC Kazakhtelecom
6830 820 2339 441 Liberty Global Operations B.V
12479 817 794 85 France Telecom Espana SA
9121 599 1693 22 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 3062 497 234 Telmex Colombia S.A.
28573 2314 2120 123 NET Serviços de Comunicação S
6147 1801 374 30 Telefonica del Peru S.A.A.
7303 1771 1172 237 Telecom Argentina S.A.
8151 1479 3025 430 Uninet S.A. de C.V.
6503 1229 433 58 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 1469 958 13 TE-AS
24863 953 284 26 Link Egypt (Link.NET)
36903 456 230 95 Office National des Postes et
36992 394 847 23 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
37457 198 160 4 Telkom SA Ltd.
36947 194 807 13 Telecom Algeria
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 3062 497 234 Telmex Colombia S.A.
22773 2918 2955 141 Cox Communications Inc.
4766 2894 11579 923 Korea Telecom
6389 2877 3688 51 BellSouth.net Inc.
17974 2822 904 77 PT Telekomunikasi Indonesia
3356 2552 10700 473 Level 3 Communications, Inc.
7545 2490 336 128 TPG Telecom Limited
28573 2314 2120 123 NET Serviços de Comunicação S
18566 2042 379 183 MegaPath Corporation
4755 1926 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 2877 2826 BellSouth.net Inc.
22773 2918 2777 Cox Communications Inc.
17974 2822 2745 PT Telekomunikasi Indonesia
7545 2490 2362 TPG Telecom Limited
28573 2314 2191 NET Serviços de Comunicação S
3356 2552 2079 Level 3 Communications, Inc.
4766 2894 1971 Korea Telecom
18566 2042 1859 MegaPath Corporation
6147 1801 1771 Telefonica del Peru S.A.A.
4755 1926 1736 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
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
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
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 /14:1000 /15:1729 /16:13039 /17:7176 /18:11993
/19:25003 /20:35618 /21:38148 /22:56402 /23:48993 /24:281326
/25:1094 /26:1089 /27:686 /28:17 /29:18 /30:10
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2133 2918 Cox Communications Inc.
18566 1997 2042 MegaPath Corporation
6389 1666 2877 BellSouth.net Inc.
30036 1356 1510 Mediacom Communications Corp
6147 1345 1801 Telefonica del Peru S.A.A.
6983 1311 1624 EarthLink, Inc.
34984 1229 1921 TELLCOM ILETISIM HIZMETLERI A
11492 1116 1175 CABLE ONE, INC.
8402 1099 1436 OJSC "Vimpelcom"
10620 1086 3062 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1414 2:671 3:3 4:95 5:1213 6:21
8:1398 11:1 12:1835 13:4 14:1210 15:17
16:2 17:45 18:21 20:51 23:1059 24:1661
27:1838 31:1467 32:39 33:2 34:5 35:1
36:146 37:1861 38:970 39:13 40:226 41:2972
42:287 43:817 44:21 45:84 46:2126 47:32
49:778 50:792 52:12 54:60 55:8 56:8
57:31 58:1092 59:659 60:450 61:1720 62:1314
63:1887 64:4401 65:2258 66:4070 67:2013 68:1044
69:3238 70:904 71:428 72:1959 74:2600 75:324
76:410 77:1353 78:1045 79:786 80:1324 81:1293
82:811 83:682 84:675 85:1325 86:431 87:1218
88:516 89:1840 90:139 91:5850 92:797 93:1682
94:1985 95:1400 96:421 97:338 98:1044 99:48
100:69 101:788 103:6369 104:899 105:187 106:194
107:890 108:612 109:2055 110:1051 111:1446 112:731
113:897 114:802 115:1236 116:1287 117:1022 118:1666
119:1366 120:430 121:994 122:2196 123:1707 124:1466
125:1521 128:642 129:360 130:382 131:1072 132:440
133:167 134:388 135:87 136:329 137:298 138:383
139:173 140:224 141:418 142:621 143:437 144:507
145:111 146:683 147:563 148:1063 149:407 150:532
151:586 152:470 153:247 154:292 155:659 156:390
157:333 158:264 159:960 160:368 161:629 162:1858
163:371 164:649 165:671 166:320 167:708 168:1165
169:132 170:1426 171:221 172:50 173:1575 174:702
175:595 176:1563 177:3703 178:2104 179:812 180:1838
181:1687 182:1688 183:530 184:727 185:2581 186:2952
187:1689 188:2010 189:1549 190:7885 191:848 192:7955
193:5561 194:4064 195:3627 196:1683 197:873 198:5400
199:5499 200:6520 201:2945 202:9453 203:8998 204:4661
205:2708 206:2991 207:2969 208:3903 209:3846 210:3477
211:1836 212:2542 213:2248 214:830 215:73 216:5541
217:1760 218:649 219:466 220:1301 221:776 222:458
223:647
End of report
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