[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 6 18:10:18 UTC 2016
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 07 May, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 593234
Prefixes after maximum aggregation (per Origin AS): 217584
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 290983
Total ASes present in the Internet Routing Table: 53672
Prefixes per ASN: 11.05
Origin-only ASes present in the Internet Routing Table: 36588
Origin ASes announcing only one prefix: 15696
Transit ASes present in the Internet Routing Table: 6446
Transit-only ASes present in the Internet Routing Table: 175
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 39
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 1002
Unregistered ASNs in the Routing Table: 362
Number of 32-bit ASNs allocated by the RIRs: 13757
Number of 32-bit ASNs visible in the Routing Table: 10638
Prefixes from 32-bit ASNs in the Routing Table: 41921
Number of bogon 32-bit ASNs visible in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 373
Number of addresses announced to Internet: 2811765860
Equivalent to 167 /8s, 152 /16s and 36 /24s
Percentage of available address space announced: 75.9
Percentage of allocated address space announced: 75.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.1
Total number of prefixes smaller than registry allocations: 193871
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 151595
Total APNIC prefixes after maximum aggregation: 42244
APNIC Deaggregation factor: 3.59
Prefixes being announced from the APNIC address blocks: 162397
Unique aggregates announced from the APNIC address blocks: 66463
APNIC Region origin ASes present in the Internet Routing Table: 5168
APNIC Prefixes per ASN: 31.42
APNIC Region origin ASes announcing only one prefix: 1183
APNIC Region transit ASes present in the Internet Routing Table: 917
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2052
Number of APNIC addresses announced to Internet: 754555972
Equivalent to 44 /8s, 249 /16s and 156 /24s
Percentage of available APNIC address space announced: 88.2
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: 180885
Total ARIN prefixes after maximum aggregation: 89452
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 186163
Unique aggregates announced from the ARIN address blocks: 88526
ARIN Region origin ASes present in the Internet Routing Table: 16367
ARIN Prefixes per ASN: 11.37
ARIN Region origin ASes announcing only one prefix: 5849
ARIN Region transit ASes present in the Internet Routing Table: 1714
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 37
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1182
Number of ARIN addresses announced to Internet: 1102188096
Equivalent to 65 /8s, 178 /16s and 14 /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, 393216-397212
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: 142748
Total RIPE prefixes after maximum aggregation: 70381
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 151841
Unique aggregates announced from the RIPE address blocks: 93607
RIPE Region origin ASes present in the Internet Routing Table: 18079
RIPE Prefixes per ASN: 8.40
RIPE Region origin ASes announcing only one prefix: 7907
RIPE Region transit ASes present in the Internet Routing Table: 3018
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4724
Number of RIPE addresses announced to Internet: 704921216
Equivalent to 42 /8s, 4 /16s and 62 /24s
Percentage of available RIPE address space announced: 102.5
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: 61745
Total LACNIC prefixes after maximum aggregation: 12272
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 76254
Unique aggregates announced from the LACNIC address blocks: 36232
LACNIC Region origin ASes present in the Internet Routing Table: 2481
LACNIC Prefixes per ASN: 30.74
LACNIC Region origin ASes announcing only one prefix: 576
LACNIC Region transit ASes present in the Internet Routing Table: 559
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2468
Number of LACNIC addresses announced to Internet: 171276128
Equivalent to 10 /8s, 53 /16s and 119 /24s
Percentage of available LACNIC address space announced: 102.1
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: 14245
Total AfriNIC prefixes after maximum aggregation: 3197
AfriNIC Deaggregation factor: 4.46
Prefixes being announced from the AfriNIC address blocks: 16206
Unique aggregates announced from the AfriNIC address blocks: 5817
AfriNIC Region origin ASes present in the Internet Routing Table: 738
AfriNIC Prefixes per ASN: 21.96
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 166
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 212
Number of AfriNIC addresses announced to Internet: 78466816
Equivalent to 4 /8s, 173 /16s and 79 /24s
Percentage of available AfriNIC address space announced: 77.9
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 5559 4192 76 China Education and Research
7545 3304 354 215 TPG Telecom Limited
4766 3168 11144 1124 Korea Telecom
17974 2927 914 96 PT Telekomunikasi Indonesia
9829 2498 1466 469 National Internet Backbone
4755 2090 432 240 TATA Communications formerly
9808 1893 8717 30 Guangdong Mobile Communicatio
4808 1660 2300 545 CNCGROUP IP network China169
9583 1512 122 562 Sify Limited
38197 1511 93 218 Sun Network (Hong Kong) Limit
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 3248 2947 137 Cox Communications Inc.
6389 2322 3671 41 BellSouth.net Inc.
18566 2204 394 275 MegaPath Corporation
20115 1922 1937 404 Charter Communications
30036 1716 341 362 Mediacom Communications Corp
6983 1689 849 232 EarthLink, Inc.
209 1584 4671 1251 Qwest Communications Company,
4323 1528 985 380 tw telecom holdings, inc.
11492 1300 240 598 CABLE ONE, INC.
701 1298 10718 706 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 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2508 958 1817 Akamai International B.V.
34984 1967 323 417 TELLCOM ILETISIM HIZMETLERI A
8551 1256 376 55 Bezeq International-Ltd
12479 1190 995 93 France Telecom Espana SA
6849 1148 355 21 JSC "Ukrtelecom"
13188 1078 98 65 TOV "Bank-Inform"
8402 1028 544 15 OJSC "Vimpelcom"
31148 1025 47 45 Freenet Ltd.
9198 969 352 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 3477 542 135 Telmex Colombia S.A.
8151 2240 3399 570 Uninet S.A. de C.V.
7303 1516 941 238 Telecom Argentina S.A.
11830 1483 368 53 Instituto Costarricense de El
6503 1437 437 56 Axtel, S.A.B. de C.V.
6147 1057 377 27 Telefonica del Peru S.A.A.
26615 1017 2325 34 Tim Celular S.A.
3816 997 478 187 COLOMBIA TELECOMUNICACIONES S
7738 994 1882 40 Telemar Norte Leste S.A.
11172 870 125 77 Alestra, S. de R.L. de C.V.
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 1255 402 40 Link Egypt (Link.NET)
37611 644 48 2 Afrihost-Brevis Computer Serv
36903 617 310 105 Office National des Postes et
8452 538 1472 15 TE-AS
36992 511 1357 26 ETISALAT MISR
37492 395 234 68 Orange Tunisie
24835 329 402 15 Vodafone Data
29571 301 37 13 Cote d'Ivoire Telecom
2018 257 327 74 TENET (The UNINET Project)
36947 243 807 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
4538 5559 4192 76 China Education and Research
10620 3477 542 135 Telmex Colombia S.A.
7545 3304 354 215 TPG Telecom Limited
22773 3248 2947 137 Cox Communications Inc.
4766 3168 11144 1124 Korea Telecom
17974 2927 914 96 PT Telekomunikasi Indonesia
39891 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2508 958 1817 Akamai International B.V.
9829 2498 1466 469 National Internet Backbone
6389 2322 3671 41 BellSouth.net Inc.
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 3477 3342 Telmex Colombia S.A.
22773 3248 3111 Cox Communications Inc.
7545 3304 3089 TPG Telecom Limited
39891 2901 2890 SaudiNet, Saudi Telecom Compa
17974 2927 2831 PT Telekomunikasi Indonesia
6389 2322 2281 BellSouth.net Inc.
4766 3168 2044 Korea Telecom
9829 2498 2029 National Internet Backbone
18566 2204 1929 MegaPath Corporation
9808 1893 1863 Guangdong Mobile Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65001 PRIVATE 5.143.176.0/20 15468 OJSC Rostelecom
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
16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited
16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited
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
27205 UNALLOCATED 8.38.20.0/24 32787 Prolexic Technologie
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.3.0/24 37004 >>UNKNOWN<<
41.73.4.0/24 37004 >>UNKNOWN<<
41.73.5.0/24 37004 >>UNKNOWN<<
41.73.6.0/24 37004 >>UNKNOWN<<
41.73.7.0/24 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 /9:13 /10:36 /11:101 /12:267
/13:509 /14:1037 /15:1764 /16:13018 /17:7621 /18:12763
/19:25962 /20:38096 /21:39797 /22:65501 /23:57186 /24:327849
/25:558 /26:595 /27:422 /28:45 /29:31 /30:14
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2901 SaudiNet, Saudi Telecom Compa
22773 2478 3248 Cox Communications Inc.
18566 2106 2204 MegaPath Corporation
30036 1530 1716 Mediacom Communications Corp
6389 1487 2322 BellSouth.net Inc.
10620 1368 3477 Telmex Colombia S.A.
6983 1338 1689 EarthLink, Inc.
34984 1251 1967 TELLCOM ILETISIM HIZMETLERI A
11492 1205 1300 CABLE ONE, INC.
6849 968 1148 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1574 2:735 4:21 5:2067 6:28 8:954
12:1781 13:39 14:1683 15:45 16:2 17:83
18:89 20:48 23:1536 24:1773 27:2267 31:1767
32:59 33:2 34:2 35:5 36:294 37:2277
38:1211 39:27 40:90 41:2881 42:396 43:1747
44:42 45:1811 46:2509 47:78 49:1160 50:868
51:32 52:178 54:328 55:4 56:6 57:42
58:1538 59:863 60:345 61:1810 62:1491 63:1921
64:4478 65:2146 66:4247 67:2165 68:1087 69:3245
70:1101 71:466 72:1990 74:2543 75:343 76:346
77:1382 78:1257 79:844 80:1274 81:1378 82:931
83:695 84:814 85:1578 86:474 87:1053 88:560
89:1991 90:169 91:6074 92:899 93:2340 94:2339
95:2310 96:502 97:359 98:934 99:46 100:74
101:1052 103:10614 104:2419 105:124 106:396 107:1165
108:667 109:2185 110:1251 111:1650 112:972 113:1144
114:1045 115:1549 116:1576 117:1430 118:2055 119:1623
120:931 121:1172 122:2182 123:2012 124:1567 125:1723
128:682 129:396 130:406 131:1343 132:635 133:174
134:454 135:126 136:374 137:345 138:1743 139:255
140:541 141:458 142:641 143:950 144:668 145:156
146:869 147:651 148:1466 149:503 150:645 151:882
152:618 153:280 154:613 155:946 156:495 157:430
158:358 159:1113 160:478 161:741 162:2320 163:560
164:900 165:1053 166:317 167:1155 168:1767 169:652
170:1574 171:264 172:546 173:1633 174:738 175:734
176:1720 177:3983 178:2207 179:1147 180:2059 181:1753
182:1892 183:938 184:803 185:6405 186:3135 187:2136
188:2133 189:1736 190:7755 191:1248 192:8941 193:5725
194:4374 195:3765 196:1701 197:1057 198:5540 199:5702
200:6951 201:3714 202:10117 203:9625 204:4518 205:2713
206:2974 207:3097 208:4042 209:3819 210:3913 211:2049
212:2705 213:2241 214:847 215:72 216:5791 217:1920
218:792 219:578 220:1676 221:870 222:658 223:1217
End of report
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