[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 21 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 22 Aug, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 556550
Prefixes after maximum aggregation (per Origin AS): 210045
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 272089
Total ASes present in the Internet Routing Table: 51223
Prefixes per ASN: 10.87
Origin-only ASes present in the Internet Routing Table: 36684
Origin ASes announcing only one prefix: 16128
Transit ASes present in the Internet Routing Table: 6359
Transit-only ASes present in the Internet Routing Table: 174
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 45
Max AS path prepend of ASN ( 55644) 41
Prefixes from unregistered ASNs in the Routing Table: 1142
Unregistered ASNs in the Routing Table: 420
Number of 32-bit ASNs allocated by the RIRs: 10687
Number of 32-bit ASNs visible in the Routing Table: 8180
Prefixes from 32-bit ASNs in the Routing Table: 30489
Number of bogon 32-bit ASNs visible in the Routing Table: 21
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 416
Number of addresses announced to Internet: 2792259968
Equivalent to 166 /8s, 110 /16s and 129 /24s
Percentage of available address space announced: 75.4
Percentage of allocated address space announced: 75.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.6
Total number of prefixes smaller than registry allocations: 185938
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 137303
Total APNIC prefixes after maximum aggregation: 39854
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 144551
Unique aggregates announced from the APNIC address blocks: 59281
APNIC Region origin ASes present in the Internet Routing Table: 5084
APNIC Prefixes per ASN: 28.43
APNIC Region origin ASes announcing only one prefix: 1193
APNIC Region transit ASes present in the Internet Routing Table: 890
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 45
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1608
Number of APNIC addresses announced to Internet: 752434240
Equivalent to 44 /8s, 217 /16s and 60 /24s
Percentage of available APNIC address space announced: 87.9
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: 180661
Total ARIN prefixes after maximum aggregation: 88267
ARIN Deaggregation factor: 2.05
Prefixes being announced from the ARIN address blocks: 183496
Unique aggregates announced from the ARIN address blocks: 85781
ARIN Region origin ASes present in the Internet Routing Table: 16583
ARIN Prefixes per ASN: 11.07
ARIN Region origin ASes announcing only one prefix: 6064
ARIN Region transit ASes present in the Internet Routing Table: 1738
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 612
Number of ARIN addresses announced to Internet: 1102384576
Equivalent to 65 /8s, 181 /16s and 13 /24s
Percentage of available ARIN address space announced: 58.3
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: 134734
Total RIPE prefixes after maximum aggregation: 67259
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 141525
Unique aggregates announced from the RIPE address blocks: 87898
RIPE Region origin ASes present in the Internet Routing Table: 17969
RIPE Prefixes per ASN: 7.88
RIPE Region origin ASes announcing only one prefix: 8059
RIPE Region transit ASes present in the Internet Routing Table: 2972
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3956
Number of RIPE addresses announced to Internet: 699011712
Equivalent to 41 /8s, 170 /16s and 18 /24s
Percentage of available RIPE address space announced: 101.6
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, 196608-204287
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: 60890
Total LACNIC prefixes after maximum aggregation: 11553
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 72356
Unique aggregates announced from the LACNIC address blocks: 33469
LACNIC Region origin ASes present in the Internet Routing Table: 2462
LACNIC Prefixes per ASN: 29.39
LACNIC Region origin ASes announcing only one prefix: 614
LACNIC Region transit ASes present in the Internet Routing Table: 517
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1858
Number of LACNIC addresses announced to Internet: 168859904
Equivalent to 10 /8s, 16 /16s and 153 /24s
Percentage of available LACNIC address space announced: 100.6
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: 12280
Total AfriNIC prefixes after maximum aggregation: 3064
AfriNIC Deaggregation factor: 4.01
Prefixes being announced from the AfriNIC address blocks: 14206
Unique aggregates announced from the AfriNIC address blocks: 5305
AfriNIC Region origin ASes present in the Internet Routing Table: 739
AfriNIC Prefixes per ASN: 19.22
AfriNIC Region origin ASes announcing only one prefix: 198
AfriNIC Region transit ASes present in the Internet Routing Table: 162
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 146
Number of AfriNIC addresses announced to Internet: 69149696
Equivalent to 4 /8s, 31 /16s and 36 /24s
Percentage of available AfriNIC address space announced: 68.7
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 3013 11302 990 Korea Telecom
7545 2752 339 134 TPG Telecom Limited
17974 2707 904 80 PT Telekomunikasi Indonesia
4755 2036 426 224 TATA Communications formerly
4538 1949 4190 71 China Education and Research
9829 1866 1372 196 National Internet Backbone
9808 1583 8635 17 Guangdong Mobile Communicatio
9583 1528 121 571 Sify Limited
4808 1525 2253 473 CNCGROUP IP network China169
9498 1379 335 110 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 3161 2960 137 Cox Communications Inc.
6389 2702 3688 51 BellSouth.net Inc.
3356 2566 10710 515 Level 3 Communications, Inc.
18566 2147 390 255 MegaPath Corporation
20115 1876 1855 397 Charter Communications
6983 1738 851 243 EarthLink, Inc.
4323 1589 1005 411 tw telecom holdings, inc.
30036 1574 319 455 Mediacom Communications Corp
701 1406 11393 686 MCI Communications Services,
22561 1373 415 256 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
20940 2075 817 1507 Akamai International B.V.
34984 2011 306 379 TELLCOM ILETISIM HIZMETLERI A
6849 1207 355 21 JSC "Ukrtelecom"
13188 1068 97 77 TOV "Bank-Inform"
31148 1055 46 24 Freenet Ltd.
8551 997 376 52 Bezeq International-Ltd
8402 993 544 15 OJSC "Vimpelcom"
12479 981 933 77 France Telecom Espana SA
6830 916 2680 469 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 3337 537 159 Telmex Colombia S.A.
28573 2283 2170 126 NET Serviços de Comunicação S
8151 1684 3263 477 Uninet S.A. de C.V.
7303 1566 931 238 Telecom Argentina S.A.
6147 1444 374 30 Telefonica del Peru S.A.A.
6503 1253 421 55 Axtel, S.A.B. de C.V.
26615 1104 2325 35 Tim Celular S.A.
7738 996 1882 41 Telemar Norte Leste S.A.
3816 953 436 163 COLOMBIA TELECOMUNICACIONES S
11830 920 364 15 Instituto Costarricense de El
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 909 280 26 Link Egypt (Link.NET)
8452 873 1470 14 TE-AS
36903 512 258 99 Office National des Postes et
36992 442 1229 32 ETISALAT MISR
37492 315 191 72 Orange Tunisie
24835 308 146 12 Vodafone Data
3741 252 857 208 Internet Solutions
29571 247 21 13 Cote d'Ivoire Telecom
37054 210 20 7 Data Telecom Service
36947 185 807 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 3337 537 159 Telmex Colombia S.A.
22773 3161 2960 137 Cox Communications Inc.
4766 3013 11302 990 Korea Telecom
7545 2752 339 134 TPG Telecom Limited
17974 2707 904 80 PT Telekomunikasi Indonesia
6389 2702 3688 51 BellSouth.net Inc.
3356 2566 10710 515 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2283 2170 126 NET Serviços de Comunicação S
18566 2147 390 255 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 3161 3024 Cox Communications Inc.
6389 2702 2651 BellSouth.net Inc.
17974 2707 2627 PT Telekomunikasi Indonesia
7545 2752 2618 TPG Telecom Limited
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2283 2157 NET Serviços de Comunicação S
3356 2566 2051 Level 3 Communications, Inc.
4766 3013 2023 Korea Telecom
18566 2147 1892 MegaPath Corporation
4538 1949 1878 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
47092 UNALLOCATED 8.8.204.0/24 16410 The Reynolds and Rey
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.1.0/24 9730 Bharti Telesonic Ltd
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
36.50.0.0/16 23456 32bit Transition AS
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 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 /10:36 /11:96 /12:263
/13:504 /14:1003 /15:1732 /16:12892 /17:7238 /18:12394
/19:25483 /20:35986 /21:38793 /22:61151 /23:53159 /24:302722
/25:1134 /26:1160 /27:715 /28:14 /29:14 /30:9
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2378 3161 Cox Communications Inc.
18566 2062 2147 MegaPath Corporation
6389 1608 2702 BellSouth.net Inc.
30036 1395 1574 Mediacom Communications Corp
6983 1385 1738 EarthLink, Inc.
34984 1331 2011 TELLCOM ILETISIM HIZMETLERI A
10620 1210 3337 Telmex Colombia S.A.
11492 1112 1195 CABLE ONE, INC.
22561 1046 1373 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1540 2:690 4:97 5:1870 6:25 8:1393
12:1805 13:14 14:1405 15:16 16:2 17:43
18:22 20:49 23:1315 24:1739 27:2041 31:1583
32:37 33:2 34:4 35:3 36:164 37:2017
38:1037 39:14 40:70 41:2750 42:310 43:1463
44:30 45:1031 46:2381 47:53 49:932 50:787
52:19 54:84 55:7 56:27 57:42 58:1355
59:720 60:481 61:1755 62:1368 63:1900 64:4434
65:2254 66:4024 67:2062 68:1066 69:3221 70:1034
71:449 72:1973 74:2596 75:352 76:393 77:1309
78:1153 79:813 80:1345 81:1346 82:870 83:720
84:781 85:1389 86:451 87:1036 88:539 89:1946
90:149 91:5941 92:842 93:2275 94:2082 95:2192
96:414 97:347 98:980 99:55 100:75 101:845
103:8086 104:2020 105:72 106:348 107:1064 108:621
109:2131 110:1198 111:1462 112:817 113:1103 114:856
115:1298 116:1468 117:1080 118:1894 119:1467 120:457
121:1089 122:2163 123:1841 124:1528 125:1623 128:666
129:395 130:431 131:1250 132:522 133:171 134:409
135:103 136:338 137:312 138:1120 139:144 140:243
141:491 142:669 143:545 144:546 145:126 146:800
147:587 148:1260 149:429 150:553 151:801 152:528
153:253 154:496 155:874 156:423 157:424 158:344
159:1031 160:411 161:680 162:2026 163:457 164:693
165:708 166:299 167:856 168:1253 169:190 170:1474
171:255 172:248 173:1501 174:719 175:699 176:1428
177:3934 178:2183 179:991 180:1939 181:1666 182:1798
183:636 184:746 185:4109 186:2917 187:1811 188:2071
189:1607 190:7829 191:1152 192:8640 193:5661 194:4228
195:3650 196:1984 197:1051 198:5630 199:5508 200:6688
201:3302 202:9518 203:9158 204:4681 205:2881 206:3022
207:2984 208:4011 209:3920 210:3599 211:1919 212:2536
213:2307 214:861 215:75 216:5730 217:1825 218:733
219:466 220:1553 221:810 222:474 223:816
End of report
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