[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 12 18:13:20 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 13 Jun, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 548716
Prefixes after maximum aggregation (per Origin AS): 208073
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 267312
Total ASes present in the Internet Routing Table: 50570
Prefixes per ASN: 10.85
Origin-only ASes present in the Internet Routing Table: 36708
Origin ASes announcing only one prefix: 16273
Transit ASes present in the Internet Routing Table: 6303
Transit-only ASes present in the Internet Routing Table: 167
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 41
Max AS path prepend of ASN ( 12486) 32
Prefixes from unregistered ASNs in the Routing Table: 1211
Unregistered ASNs in the Routing Table: 421
Number of 32-bit ASNs allocated by the RIRs: 9820
Number of 32-bit ASNs visible in the Routing Table: 7559
Prefixes from 32-bit ASNs in the Routing Table: 27636
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 390
Number of addresses announced to Internet: 2772462112
Equivalent to 165 /8s, 64 /16s and 106 /24s
Percentage of available address space announced: 74.9
Percentage of allocated address space announced: 74.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.4
Total number of prefixes smaller than registry allocations: 183677
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 135550
Total APNIC prefixes after maximum aggregation: 39231
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 142059
Unique aggregates announced from the APNIC address blocks: 56921
APNIC Region origin ASes present in the Internet Routing Table: 5060
APNIC Prefixes per ASN: 28.07
APNIC Region origin ASes announcing only one prefix: 1200
APNIC Region transit ASes present in the Internet Routing Table: 868
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1483
Number of APNIC addresses announced to Internet: 750442176
Equivalent to 44 /8s, 186 /16s and 214 /24s
Percentage of available APNIC address space announced: 87.7
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: 179968
Total ARIN prefixes after maximum aggregation: 88286
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 182248
Unique aggregates announced from the ARIN address blocks: 85212
ARIN Region origin ASes present in the Internet Routing Table: 16612
ARIN Prefixes per ASN: 10.97
ARIN Region origin ASes announcing only one prefix: 6119
ARIN Region transit ASes present in the Internet Routing Table: 1719
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 479
Number of ARIN addresses announced to Internet: 1092631072
Equivalent to 65 /8s, 32 /16s and 58 /24s
Percentage of available ARIN address space announced: 57.8
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, 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: 133114
Total RIPE prefixes after maximum aggregation: 66057
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 139142
Unique aggregates announced from the RIPE address blocks: 86249
RIPE Region origin ASes present in the Internet Routing Table: 17961
RIPE Prefixes per ASN: 7.75
RIPE Region origin ASes announcing only one prefix: 8134
RIPE Region transit ASes present in the Internet Routing Table: 2974
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3757
Number of RIPE addresses announced to Internet: 695024896
Equivalent to 41 /8s, 109 /16s and 61 /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: 60165
Total LACNIC prefixes after maximum aggregation: 11392
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 70910
Unique aggregates announced from the LACNIC address blocks: 33217
LACNIC Region origin ASes present in the Internet Routing Table: 2444
LACNIC Prefixes per ASN: 29.01
LACNIC Region origin ASes announcing only one prefix: 623
LACNIC Region transit ASes present in the Internet Routing Table: 506
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1721
Number of LACNIC addresses announced to Internet: 168168512
Equivalent to 10 /8s, 6 /16s and 12 /24s
Percentage of available LACNIC address space announced: 100.2
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: 12033
Total AfriNIC prefixes after maximum aggregation: 3059
AfriNIC Deaggregation factor: 3.93
Prefixes being announced from the AfriNIC address blocks: 13967
Unique aggregates announced from the AfriNIC address blocks: 5363
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 19.00
AfriNIC Region origin ASes announcing only one prefix: 197
AfriNIC Region transit ASes present in the Internet Routing Table: 156
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 119
Number of AfriNIC addresses announced to Internet: 65774080
Equivalent to 3 /8s, 235 /16s and 162 /24s
Percentage of available AfriNIC address space announced: 65.3
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 2927 11558 917 Korea Telecom
17974 2692 904 78 PT Telekomunikasi Indonesia
7545 2611 336 129 TPG Telecom Limited
4755 2026 423 219 TATA Communications formerly
4538 1897 4190 71 China Education and Research
9829 1703 1343 94 National Internet Backbone
9808 1588 8717 28 Guangdong Mobile Communicatio
9583 1468 117 569 Sify Limited
4808 1448 2235 464 CNCGROUP IP network China169
9498 1339 336 103 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 3093 2958 141 Cox Communications Inc.
6389 2792 3688 51 BellSouth.net Inc.
3356 2571 10687 499 Level 3 Communications, Inc.
18566 2050 380 192 MegaPath Corporation
20115 1885 1851 422 Charter Communications
6983 1748 850 244 EarthLink, Inc.
4323 1605 1022 411 tw telecom holdings, inc.
30036 1562 315 453 Mediacom Communications Corp
701 1395 11354 679 MCI Communications Services,
22561 1353 414 250 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 2088 305 361 TELLCOM ILETISIM HIZMETLERI A
20940 1925 751 1404 Akamai International B.V.
6849 1211 355 22 JSC "Ukrtelecom"
31148 1048 45 23 Freenet Ltd.
13188 1040 97 70 TOV "Bank-Inform"
8402 1012 544 15 OJSC "Vimpelcom"
12479 947 869 72 France Telecom Espana SA
6830 909 2693 467 Liberty Global Operations B.V
8551 871 376 52 Bezeq International-Ltd
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 3239 531 236 Telmex Colombia S.A.
28573 2263 2168 116 NET Serviços de Comunicação S
8151 1696 3257 470 Uninet S.A. de C.V.
7303 1637 1017 237 Telecom Argentina S.A.
6147 1620 374 23 Telefonica del Peru S.A.A.
6503 1246 421 55 Axtel, S.A.B. de C.V.
26615 1079 2325 35 Tim Celular S.A.
7738 999 1882 41 Telemar Norte Leste S.A.
3816 945 425 159 COLOMBIA TELECOMUNICACIONES S
18881 870 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
24863 896 280 26 Link Egypt (Link.NET)
8452 802 958 13 TE-AS
36903 514 259 98 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 304 146 13 Vodafone Data
3741 250 857 208 Internet Solutions
29571 241 21 12 Cote d'Ivoire Telecom
37054 225 19 6 Data Telecom Service
36947 178 807 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 3239 531 236 Telmex Colombia S.A.
22773 3093 2958 141 Cox Communications Inc.
4766 2927 11558 917 Korea Telecom
6389 2792 3688 51 BellSouth.net Inc.
17974 2692 904 78 PT Telekomunikasi Indonesia
7545 2611 336 129 TPG Telecom Limited
3356 2571 10687 499 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2263 2168 116 NET Serviços de Comunicação S
34984 2088 305 361 TELLCOM ILETISIM HIZMETLERI A
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 3093 2952 Cox Communications Inc.
6389 2792 2741 BellSouth.net Inc.
17974 2692 2614 PT Telekomunikasi Indonesia
7545 2611 2482 TPG Telecom Limited
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2263 2147 NET Serviços de Comunicação S
3356 2571 2072 Level 3 Communications, Inc.
4766 2927 2010 Korea Telecom
18566 2050 1858 MegaPath Corporation
4538 1897 1826 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 /8:17 /9:13 /10:34 /11:95 /12:264
/13:507 /14:1004 /15:1721 /16:12935 /17:7263 /18:12362
/19:25552 /20:36037 /21:38842 /22:59938 /23:51948 /24:297136
/25:1097 /26:1135 /27:724 /28:25 /29:25 /30:11
/31:0 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2290 3093 Cox Communications Inc.
18566 2000 2050 MegaPath Corporation
6389 1640 2792 BellSouth.net Inc.
6983 1396 1748 EarthLink, Inc.
30036 1390 1562 Mediacom Communications Corp
34984 1344 2088 TELLCOM ILETISIM HIZMETLERI A
6147 1172 1620 Telefonica del Peru S.A.A.
10620 1137 3239 Telmex Colombia S.A.
11492 1109 1193 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1483 2:670 4:93 5:1849 6:25 8:1417
11:1 12:1828 13:14 14:1385 15:17 16:2
17:44 18:22 20:48 23:1237 24:1684 27:1896
31:1606 32:38 33:2 34:4 35:3 36:117
37:1944 38:1038 39:6 40:253 41:2678 42:280
43:1333 44:29 45:714 46:2211 47:42 49:899
50:811 52:12 54:77 55:5 56:6 57:41
58:1304 59:717 60:478 61:1750 62:1358 63:1921
64:4430 65:2266 66:4069 67:2080 68:1063 69:3251
70:988 71:443 72:1984 74:2648 75:337 76:423
77:1292 78:1190 79:800 80:1340 81:1294 82:828
83:702 84:723 85:1417 86:400 87:1039 88:525
89:1850 90:152 91:5983 92:856 93:2232 94:2063
95:2177 96:429 97:354 98:1056 99:50 100:72
101:825 103:7598 104:1804 105:58 106:231 107:987
108:630 109:2059 110:1120 111:1479 112:823 113:1208
114:823 115:1281 116:1386 117:1065 118:1823 119:1435
120:449 121:1093 122:2147 123:1838 124:1523 125:1605
128:629 129:384 130:404 131:1201 132:505 133:176
134:407 135:95 136:330 137:314 138:835 139:154
140:234 141:447 142:662 143:513 144:572 145:120
146:734 147:587 148:1219 149:410 150:564 151:635
152:484 153:244 154:637 155:861 156:413 157:409
158:337 159:1002 160:392 161:662 162:1959 163:424
164:684 165:692 166:311 167:832 168:1312 169:174
170:1466 171:246 172:91 173:1553 174:719 175:690
176:1260 177:3723 178:2143 179:919 180:1939 181:2006
182:1800 183:628 184:754 185:3678 186:2659 187:1800
188:2051 189:1552 190:7729 191:1104 192:8448 193:5612
194:4163 195:3690 196:2011 197:946 198:5544 199:5484
200:6686 201:3163 202:9436 203:9157 204:4675 205:2799
206:3081 207:2942 208:3977 209:3967 210:3530 211:1857
212:2553 213:2341 214:860 215:72 216:5750 217:1821
218:709 219:465 220:1456 221:784 222:479 223:720
End of report
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