[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 20 18:11:30 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,
SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.
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 21 Nov, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 571013
Prefixes after maximum aggregation (per Origin AS): 212430
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 279150
Total ASes present in the Internet Routing Table: 52060
Prefixes per ASN: 10.97
Origin-only ASes present in the Internet Routing Table: 36697
Origin ASes announcing only one prefix: 15985
Transit ASes present in the Internet Routing Table: 6347
Transit-only ASes present in the Internet Routing Table: 166
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 50
Max AS path prepend of ASN ( 55644) 41
Prefixes from unregistered ASNs in the Routing Table: 1045
Unregistered ASNs in the Routing Table: 377
Number of 32-bit ASNs allocated by the RIRs: 11786
Number of 32-bit ASNs visible in the Routing Table: 9016
Prefixes from 32-bit ASNs in the Routing Table: 34268
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 431
Number of addresses announced to Internet: 2798739168
Equivalent to 166 /8s, 209 /16s and 94 /24s
Percentage of available address space announced: 75.6
Percentage of allocated address space announced: 75.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.8
Total number of prefixes smaller than registry allocations: 187607
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 145397
Total APNIC prefixes after maximum aggregation: 40151
APNIC Deaggregation factor: 3.62
Prefixes being announced from the APNIC address blocks: 153613
Unique aggregates announced from the APNIC address blocks: 61752
APNIC Region origin ASes present in the Internet Routing Table: 5117
APNIC Prefixes per ASN: 30.02
APNIC Region origin ASes announcing only one prefix: 1200
APNIC Region transit ASes present in the Internet Routing Table: 884
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 50
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1718
Number of APNIC addresses announced to Internet: 755568544
Equivalent to 45 /8s, 9 /16s and 15 /24s
Percentage of available APNIC address space announced: 88.3
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: 180528
Total ARIN prefixes after maximum aggregation: 88974
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 183890
Unique aggregates announced from the ARIN address blocks: 87194
ARIN Region origin ASes present in the Internet Routing Table: 16512
ARIN Prefixes per ASN: 11.14
ARIN Region origin ASes announcing only one prefix: 5990
ARIN Region transit ASes present in the Internet Routing Table: 1712
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 832
Number of ARIN addresses announced to Internet: 1100853184
Equivalent to 65 /8s, 157 /16s and 175 /24s
Percentage of available ARIN address space announced: 58.2
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: 137198
Total RIPE prefixes after maximum aggregation: 68452
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 144762
Unique aggregates announced from the RIPE address blocks: 89761
RIPE Region origin ASes present in the Internet Routing Table: 18018
RIPE Prefixes per ASN: 8.03
RIPE Region origin ASes announcing only one prefix: 7996
RIPE Region transit ASes present in the Internet Routing Table: 2968
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4212
Number of RIPE addresses announced to Internet: 701424000
Equivalent to 41 /8s, 206 /16s and 225 /24s
Percentage of available RIPE address space announced: 102.0
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, 196608-204287
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: 60392
Total LACNIC prefixes after maximum aggregation: 11717
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 72900
Unique aggregates announced from the LACNIC address blocks: 33932
LACNIC Region origin ASes present in the Internet Routing Table: 2468
LACNIC Prefixes per ASN: 29.54
LACNIC Region origin ASes announcing only one prefix: 606
LACNIC Region transit ASes present in the Internet Routing Table: 537
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2084
Number of LACNIC addresses announced to Internet: 169848832
Equivalent to 10 /8s, 31 /16s and 176 /24s
Percentage of available LACNIC address space announced: 101.2
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: 13143
Total AfriNIC prefixes after maximum aggregation: 3095
AfriNIC Deaggregation factor: 4.25
Prefixes being announced from the AfriNIC address blocks: 15417
Unique aggregates announced from the AfriNIC address blocks: 6152
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 20.95
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 168
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 170
Number of AfriNIC addresses announced to Internet: 70674944
Equivalent to 4 /8s, 54 /16s and 106 /24s
Percentage of available AfriNIC address space announced: 70.2
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 5600 4192 76 China Education and Research
4766 2993 11135 989 Korea Telecom
7545 2954 340 143 TPG Telecom Limited
17974 2731 914 96 PT Telekomunikasi Indonesia
4755 2065 431 230 TATA Communications formerly
9829 2022 1407 304 National Internet Backbone
9808 1659 8639 18 Guangdong Mobile Communicatio
4812 1609 2099 114 China Telecom (Group)
4808 1550 2265 488 CNCGROUP IP network China169
9583 1495 119 560 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
22773 3245 2964 143 Cox Communications Inc.
3356 2553 10689 511 Level 3 Communications, Inc.
6389 2510 3687 42 BellSouth.net Inc.
18566 2216 394 277 MegaPath Corporation
20115 1887 1897 400 Charter Communications
6983 1699 849 239 EarthLink, Inc.
30036 1647 329 361 Mediacom Communications Corp
4323 1578 1020 398 tw telecom holdings, inc.
209 1479 4325 1232 Qwest Communications Company,
701 1392 11415 666 MCI Communications Services,
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 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2219 876 1598 Akamai International B.V.
34984 1920 320 403 TELLCOM ILETISIM HIZMETLERI A
8402 1197 544 15 OJSC "Vimpelcom"
8551 1088 376 53 Bezeq International-Ltd
13188 1074 97 79 TOV "Bank-Inform"
12479 1042 982 84 France Telecom Espana SA
31148 1041 47 41 Freenet Ltd.
9198 971 350 29 JSC Kazakhtelecom
6830 892 2706 466 Liberty Global Operations B.V
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 3400 541 160 Telmex Colombia S.A.
8151 2108 3334 496 Uninet S.A. de C.V.
7303 1578 943 237 Telecom Argentina S.A.
6503 1379 437 57 Axtel, S.A.B. de C.V.
28573 1313 2166 117 NET Serviços de Comunicação S
11830 1094 364 24 Instituto Costarricense de El
6147 1040 376 34 Telefonica del Peru S.A.A.
26615 1002 2325 34 Tim Celular S.A.
7738 995 1882 41 Telemar Norte Leste S.A.
3816 967 451 178 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 1112 1470 14 TE-AS
24863 1070 409 38 Link Egypt (Link.NET)
37611 571 38 42 Afrihost-Brevis Computer Serv
36903 522 263 102 Office National des Postes et
36992 437 1229 32 ETISALAT MISR
37492 326 192 74 Orange Tunisie
29571 243 21 11 Cote d'Ivoire Telecom
24835 234 146 12 Vodafone Data
3741 221 837 183 Internet Solutions
15706 171 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
4538 5600 4192 76 China Education and Research
10620 3400 541 160 Telmex Colombia S.A.
22773 3245 2964 143 Cox Communications Inc.
4766 2993 11135 989 Korea Telecom
7545 2954 340 143 TPG Telecom Limited
17974 2731 914 96 PT Telekomunikasi Indonesia
3356 2553 10689 511 Level 3 Communications, Inc.
6389 2510 3687 42 BellSouth.net Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2219 876 1598 Akamai International B.V.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
10620 3400 3240 Telmex Colombia S.A.
22773 3245 3102 Cox Communications Inc.
7545 2954 2811 TPG Telecom Limited
17974 2731 2635 PT Telekomunikasi Indonesia
6389 2510 2468 BellSouth.net Inc.
39891 2473 2466 SaudiNet, Saudi Telecom Compa
3356 2553 2042 Level 3 Communications, Inc.
4766 2993 2004 Korea Telecom
18566 2216 1939 MegaPath Corporation
4755 2065 1835 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
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio
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
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.64.254.0/24 9583 Sify Limited
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
23.249.144.0/21 40430 colo4jax, LLC
23.249.152.0/21 40430 colo4jax, LLC
27.100.7.0/24 56096 >>UNKNOWN<<
31.170.96.0/23 23456 32bit Transition AS
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.46.8.0/23 13768 Peer 1 Network (USA) Inc.
37.46.10.0/23 36351 SoftLayer Technologies Inc.
37.46.14.0/24 36351 SoftLayer Technologies Inc.
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 /9:11 /10:36 /11:97 /12:263
/13:507 /14:1008 /15:1761 /16:12925 /17:7435 /18:12585
/19:26080 /20:37662 /21:39749 /22:62786 /23:54562 /24:311970
/25:545 /26:566 /27:385 /28:19 /29:15 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2437 3245 Cox Communications Inc.
39891 2432 2473 SaudiNet, Saudi Telecom Compa
18566 2118 2216 MegaPath Corporation
6389 1554 2510 BellSouth.net Inc.
30036 1464 1647 Mediacom Communications Corp
6983 1345 1699 EarthLink, Inc.
10620 1276 3400 Telmex Colombia S.A.
34984 1204 1920 TELLCOM ILETISIM HIZMETLERI A
11492 1127 1211 CABLE ONE, INC.
31148 960 1041 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1640 2:701 4:100 5:1949 6:25 8:1412
12:1801 13:27 14:1528 15:22 16:2 17:57
18:19 20:47 23:1291 24:1736 27:2118 31:1667
32:54 33:2 34:4 35:5 36:172 37:2259
38:1112 39:20 40:73 41:2924 42:366 43:1619
44:36 45:1509 46:2316 47:64 49:1034 50:817
52:29 54:92 55:7 56:8 57:44 58:1419
59:832 60:508 61:1795 62:1398 63:1905 64:4371
65:2192 66:4022 67:2125 68:1085 69:3273 70:1017
71:463 72:1985 74:2549 75:356 76:416 77:1397
78:1254 79:802 80:1344 81:1347 82:835 83:651
84:794 85:1482 86:455 87:1036 88:536 89:1909
90:164 91:5990 92:863 93:2277 94:2184 95:2238
96:475 97:352 98:943 99:47 100:79 101:844
103:8871 104:2163 105:72 106:358 107:1097 108:634
109:2115 110:1218 111:1444 112:865 113:1103 114:878
115:1484 116:1474 117:1182 118:1971 119:1502 120:498
121:1154 122:2247 123:1860 124:1581 125:1738 128:704
129:369 130:388 131:1281 132:587 133:165 134:442
135:119 136:337 137:305 138:1478 139:190 140:244
141:454 142:655 143:692 144:572 145:142 146:794
147:612 148:1279 149:440 150:624 151:809 152:566
153:264 154:466 155:904 156:435 157:444 158:352
159:1062 160:407 161:665 162:2183 163:519 164:707
165:1082 166:312 167:883 168:1302 169:540 170:1430
171:261 172:351 173:1545 174:721 175:742 176:1509
177:3977 178:2293 179:1028 180:2031 181:1633 182:1859
183:668 184:766 185:4880 186:2996 187:1887 188:2074
189:1698 190:7493 191:1231 192:8688 193:5669 194:4291
195:3661 196:2260 197:1167 198:5528 199:5564 200:6697
201:3501 202:9875 203:9274 204:4572 205:2746 206:3029
207:3009 208:4005 209:3970 210:3756 211:2012 212:2613
213:2163 214:835 215:72 216:5753 217:1870 218:788
219:541 220:1601 221:805 222:725 223:856
End of report
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