[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 1 18:12:31 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 02 May, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 542615
Prefixes after maximum aggregation (per Origin AS): 206677
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 264045
Total ASes present in the Internet Routing Table: 50153
Prefixes per ASN: 10.82
Origin-only ASes present in the Internet Routing Table: 36593
Origin ASes announcing only one prefix: 16304
Transit ASes present in the Internet Routing Table: 6326
Transit-only ASes present in the Internet Routing Table: 175
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 123
Max AS path prepend of ASN ( 18596) 121
Prefixes from unregistered ASNs in the Routing Table: 1094
Unregistered ASNs in the Routing Table: 393
Number of 32-bit ASNs allocated by the RIRs: 9336
Number of 32-bit ASNs visible in the Routing Table: 7234
Prefixes from 32-bit ASNs in the Routing Table: 26398
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: 357
Number of addresses announced to Internet: 2741034756
Equivalent to 163 /8s, 96 /16s and 223 /24s
Percentage of available address space announced: 74.0
Percentage of allocated address space announced: 74.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.3
Total number of prefixes smaller than registry allocations: 182211
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 133995
Total APNIC prefixes after maximum aggregation: 38939
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 140133
Unique aggregates announced from the APNIC address blocks: 56870
APNIC Region origin ASes present in the Internet Routing Table: 5031
APNIC Prefixes per ASN: 27.85
APNIC Region origin ASes announcing only one prefix: 1203
APNIC Region transit ASes present in the Internet Routing Table: 883
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 44
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1412
Number of APNIC addresses announced to Internet: 748015104
Equivalent to 44 /8s, 149 /16s and 206 /24s
Percentage of available APNIC address space announced: 87.4
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: 178441
Total ARIN prefixes after maximum aggregation: 87808
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 180863
Unique aggregates announced from the ARIN address blocks: 84299
ARIN Region origin ASes present in the Internet Routing Table: 16578
ARIN Prefixes per ASN: 10.91
ARIN Region origin ASes announcing only one prefix: 6113
ARIN Region transit ASes present in the Internet Routing Table: 1732
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 123
Number of ARIN region 32-bit ASNs visible in the Routing Table: 416
Number of ARIN addresses announced to Internet: 1065268096
Equivalent to 63 /8s, 126 /16s and 179 /24s
Percentage of available ARIN address space announced: 56.4
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, 64198-64296, 393216-395164
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: 131501
Total RIPE prefixes after maximum aggregation: 65670
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 137869
Unique aggregates announced from the RIPE address blocks: 85064
RIPE Region origin ASes present in the Internet Routing Table: 17948
RIPE Prefixes per ASN: 7.68
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2971
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3651
Number of RIPE addresses announced to Internet: 694791300
Equivalent to 41 /8s, 105 /16s and 172 /24s
Percentage of available RIPE address space announced: 101.0
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: 59301
Total LACNIC prefixes after maximum aggregation: 11195
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 69379
Unique aggregates announced from the LACNIC address blocks: 32345
LACNIC Region origin ASes present in the Internet Routing Table: 2420
LACNIC Prefixes per ASN: 28.67
LACNIC Region origin ASes announcing only one prefix: 625
LACNIC Region transit ASes present in the Internet Routing Table: 497
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1644
Number of LACNIC addresses announced to Internet: 167524096
Equivalent to 9 /8s, 252 /16s and 55 /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: 12814
Total AfriNIC prefixes after maximum aggregation: 3021
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 14014
Unique aggregates announced from the AfriNIC address blocks: 5143
AfriNIC Region origin ASes present in the Internet Routing Table: 737
AfriNIC Prefixes per ASN: 19.01
AfriNIC Region origin ASes announcing only one prefix: 202
AfriNIC Region transit ASes present in the Internet Routing Table: 160
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: 111
Number of AfriNIC addresses announced to Internet: 65126912
Equivalent to 3 /8s, 225 /16s and 194 /24s
Percentage of available AfriNIC address space announced: 64.7
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 2929 11557 913 Korea Telecom
17974 2761 904 78 PT Telekomunikasi Indonesia
7545 2577 336 129 TPG Telecom Limited
4755 2013 422 214 TATA Communications formerly
4538 1912 4190 72 China Education and Research
9829 1656 1326 39 National Internet Backbone
9808 1572 8717 28 Guangdong Mobile Communicatio
4808 1429 2241 452 CNCGROUP IP network China169
9583 1416 117 577 Sify Limited
9498 1325 334 95 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 3013 2955 142 Cox Communications Inc.
6389 2832 3688 51 BellSouth.net Inc.
3356 2551 10684 479 Level 3 Communications, Inc.
18566 2039 379 182 MegaPath Corporation
20115 1879 1844 432 Charter Communications
6983 1754 866 245 EarthLink, Inc.
4323 1616 1021 409 tw telecom holdings, inc.
30036 1527 310 490 Mediacom Communications Corp
701 1404 11276 687 MCI Communications Services,
22561 1353 413 248 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
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 1970 303 368 TELLCOM ILETISIM HIZMETLERI A
20940 1816 703 1341 Akamai International B.V.
6849 1214 356 24 JSC "Ukrtelecom"
31148 1049 45 23 Freenet Ltd.
13188 1035 96 68 TOV "Bank-Inform"
8402 1027 544 15 OJSC "Vimpelcom"
12479 920 867 80 France Telecom Espana SA
8551 886 373 48 Bezeq International-Ltd
9198 854 349 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
10620 3211 523 211 Telmex Colombia S.A.
28573 2315 2169 117 NET Serviços de Comunicação S
7303 1657 1043 242 Telecom Argentina S.A.
6147 1615 374 30 Telefonica del Peru S.A.A.
8151 1592 3193 452 Uninet S.A. de C.V.
6503 1247 421 53 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
26615 978 2325 35 Tim Celular S.A.
3816 924 418 155 COLOMBIA TELECOMUNICACIONES S
18881 864 1036 22 Global Village Telecom
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 1707 958 13 TE-AS
24863 971 284 27 Link Egypt (Link.NET)
36903 495 249 88 Office National des Postes et
36992 419 1229 32 ETISALAT MISR
37492 303 155 72 Orange Tunisie
24835 300 144 9 Vodafone Data
3741 250 857 208 Internet Solutions
29571 231 21 12 Cote d'Ivoire Telecom
36947 201 807 13 Telecom Algeria
37054 181 19 6 Data Telecom Service
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 3211 523 211 Telmex Colombia S.A.
22773 3013 2955 142 Cox Communications Inc.
4766 2929 11557 913 Korea Telecom
6389 2832 3688 51 BellSouth.net Inc.
17974 2761 904 78 PT Telekomunikasi Indonesia
7545 2577 336 129 TPG Telecom Limited
3356 2551 10684 479 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2315 2169 117 NET Serviços de Comunicação S
18566 2039 379 182 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
22773 3013 2871 Cox Communications Inc.
6389 2832 2781 BellSouth.net Inc.
17974 2761 2683 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2577 2448 TPG Telecom Limited
28573 2315 2198 NET Serviços de Comunicação S
3356 2551 2072 Level 3 Communications, Inc.
4766 2929 2016 Korea Telecom
18566 2039 1857 MegaPath Corporation
4538 1912 1840 China Education and Research
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
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
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
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
23.226.112.0/20 62788 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
41.73.1.0/24 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<<
41.73.15.0/24 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 /10:34 /11:94 /12:264
/13:505 /14:1005 /15:1717 /16:12958 /17:7210 /18:12230
/19:25341 /20:35907 /21:38604 /22:59228 /23:51517 /24:292935
/25:1135 /26:1142 /27:717 /28:12 /29:11 /30:8
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2222 3013 Cox Communications Inc.
18566 1995 2039 MegaPath Corporation
6389 1654 2832 BellSouth.net Inc.
6983 1401 1754 EarthLink, Inc.
30036 1370 1527 Mediacom Communications Corp
34984 1289 1970 TELLCOM ILETISIM HIZMETLERI A
6147 1167 1615 Telefonica del Peru S.A.A.
10620 1135 3211 Telmex Colombia S.A.
11492 1111 1186 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1482 2:678 4:94 5:1767 6:23 8:1420
12:1822 13:10 14:1329 15:17 16:2 17:44
18:21 20:48 23:1226 24:1707 27:1890 31:1569
32:38 33:2 34:5 35:3 36:118 37:1903
38:1019 39:7 40:250 41:3009 42:323 43:1252
44:26 45:487 46:2155 47:40 49:902 50:800
52:12 54:73 55:5 56:8 57:37 58:1278
59:711 60:472 61:1742 62:1332 63:1915 64:4403
65:2252 66:4055 67:2048 68:1049 69:3253 70:959
71:449 72:1953 74:2653 75:334 76:414 77:1434
78:1185 79:794 80:1327 81:1348 82:808 83:692
84:708 85:1348 86:389 87:1075 88:509 89:1812
90:151 91:5965 92:831 93:2196 94:2035 95:2125
96:432 97:354 98:1054 99:49 100:69 101:828
103:7285 104:1656 105:61 106:246 107:943 108:620
109:2041 110:1094 111:1477 112:779 113:1116 114:821
115:1257 116:1355 117:1051 118:1793 119:1452 120:446
121:1077 122:2206 123:1796 124:1498 125:1581 128:627
129:380 130:393 131:1166 132:482 133:174 134:425
135:107 136:326 137:314 138:663 139:148 140:225
141:423 142:661 143:503 144:568 145:114 146:696
147:590 148:1134 149:432 150:571 151:614 152:494
153:243 154:455 155:842 156:407 157:463 158:320
159:1000 160:379 161:652 162:1955 163:424 164:671
165:691 166:304 167:819 168:1289 169:167 170:1468
171:241 172:43 173:1510 174:701 175:676 176:1233
177:3785 178:2143 179:872 180:1934 181:1681 182:1741
183:619 184:740 185:3398 186:2635 187:1739 188:2002
189:1569 190:7672 191:952 192:8296 193:5579 194:4124
195:3612 196:1700 197:1072 198:5504 199:5536 200:6654
201:3067 202:9463 203:9110 204:4674 205:2822 206:3086
207:2978 208:3938 209:3956 210:3527 211:1861 212:2497
213:2310 214:857 215:71 216:5568 217:1813 218:691
219:454 220:1444 221:788 222:478 223:676
End of report
More information about the sanog
mailing list