[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 22 18:11:53 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 23 Apr, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 592244
Prefixes after maximum aggregation (per Origin AS): 217479
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 289716
Total ASes present in the Internet Routing Table: 53506
Prefixes per ASN: 11.07
Origin-only ASes present in the Internet Routing Table: 36591
Origin ASes announcing only one prefix: 15706
Transit ASes present in the Internet Routing Table: 6431
Transit-only ASes present in the Internet Routing Table: 167
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: 1000
Unregistered ASNs in the Routing Table: 361
Number of 32-bit ASNs allocated by the RIRs: 13578
Number of 32-bit ASNs visible in the Routing Table: 10484
Prefixes from 32-bit ASNs in the Routing Table: 41067
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 387
Number of addresses announced to Internet: 2809388612
Equivalent to 167 /8s, 115 /16s and 222 /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: 193331
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 151863
Total APNIC prefixes after maximum aggregation: 42146
APNIC Deaggregation factor: 3.60
Prefixes being announced from the APNIC address blocks: 162423
Unique aggregates announced from the APNIC address blocks: 66131
APNIC Region origin ASes present in the Internet Routing Table: 5170
APNIC Prefixes per ASN: 31.42
APNIC Region origin ASes announcing only one prefix: 1185
APNIC Region transit ASes present in the Internet Routing Table: 914
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: 2018
Number of APNIC addresses announced to Internet: 754038596
Equivalent to 44 /8s, 241 /16s and 183 /24s
Percentage of available APNIC address space announced: 88.1
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: 180914
Total ARIN prefixes after maximum aggregation: 89696
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 185979
Unique aggregates announced from the ARIN address blocks: 88323
ARIN Region origin ASes present in the Internet Routing Table: 16385
ARIN Prefixes per ASN: 11.35
ARIN Region origin ASes announcing only one prefix: 5859
ARIN Region transit ASes present in the Internet Routing Table: 1711
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: 1148
Number of ARIN addresses announced to Internet: 1101398848
Equivalent to 65 /8s, 166 /16s and 3 /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: 142056
Total RIPE prefixes after maximum aggregation: 70126
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 151030
Unique aggregates announced from the RIPE address blocks: 92997
RIPE Region origin ASes present in the Internet Routing Table: 18067
RIPE Prefixes per ASN: 8.36
RIPE Region origin ASes announcing only one prefix: 7906
RIPE Region transit ASes present in the Internet Routing Table: 3001
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4676
Number of RIPE addresses announced to Internet: 704622720
Equivalent to 41 /8s, 255 /16s and 176 /24s
Percentage of available RIPE address space announced: 102.4
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: 61961
Total LACNIC prefixes after maximum aggregation: 12274
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 76230
Unique aggregates announced from the LACNIC address blocks: 36035
LACNIC Region origin ASes present in the Internet Routing Table: 2470
LACNIC Prefixes per ASN: 30.86
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 566
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2433
Number of LACNIC addresses announced to Internet: 170984768
Equivalent to 10 /8s, 49 /16s and 5 /24s
Percentage of available LACNIC address space announced: 101.9
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: 14273
Total AfriNIC prefixes after maximum aggregation: 3196
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 16195
Unique aggregates announced from the AfriNIC address blocks: 5879
AfriNIC Region origin ASes present in the Internet Routing Table: 737
AfriNIC Prefixes per ASN: 21.97
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 171
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 209
Number of AfriNIC addresses announced to Internet: 77973504
Equivalent to 4 /8s, 165 /16s and 200 /24s
Percentage of available AfriNIC address space announced: 77.5
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 5555 4192 76 China Education and Research
7545 3286 353 208 TPG Telecom Limited
4766 3164 11145 1121 Korea Telecom
17974 2921 914 96 PT Telekomunikasi Indonesia
9829 2494 1466 462 National Internet Backbone
4755 2090 432 241 TATA Communications formerly
9808 1883 8717 30 Guangdong Mobile Communicatio
4808 1659 2301 539 CNCGROUP IP network China169
9583 1508 121 564 Sify Limited
38197 1492 92 212 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 3321 2948 145 Cox Communications Inc.
6389 2318 3671 41 BellSouth.net Inc.
18566 2207 394 277 MegaPath Corporation
20115 1923 1937 404 Charter Communications
30036 1728 340 317 Mediacom Communications Corp
6983 1694 849 232 EarthLink, Inc.
209 1567 4666 1236 Qwest Communications Company,
4323 1567 1004 386 tw telecom holdings, inc.
701 1296 10702 704 MCI Communications Services,
7018 1279 19906 975 AT&T Services, Inc.
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 2708 143 10 SaudiNet, Saudi Telecom Compa
20940 2442 924 1780 Akamai International B.V.
34984 1964 323 414 TELLCOM ILETISIM HIZMETLERI A
8551 1628 376 55 Bezeq International-Ltd
12479 1159 981 86 France Telecom Espana SA
13188 1079 98 69 TOV "Bank-Inform"
8402 1056 544 15 OJSC "Vimpelcom"
31148 1030 47 41 Freenet Ltd.
9198 938 352 25 JSC Kazakhtelecom
6830 893 2719 463 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 3460 540 170 Telmex Colombia S.A.
8151 2220 3320 539 Uninet S.A. de C.V.
7303 1509 940 238 Telecom Argentina S.A.
11830 1484 368 53 Instituto Costarricense de El
6503 1435 437 56 Axtel, S.A.B. de C.V.
6147 1046 377 27 Telefonica del Peru S.A.A.
26615 1003 2325 34 Tim Celular S.A.
3816 996 478 186 COLOMBIA TELECOMUNICACIONES S
7738 987 1882 40 Telemar Norte Leste S.A.
11172 869 125 76 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 1223 402 40 Link Egypt (Link.NET)
37611 647 48 2 Afrihost-Brevis Computer Serv
36903 617 310 105 Office National des Postes et
8452 542 1472 15 TE-AS
36992 510 1357 26 ETISALAT MISR
37492 394 234 67 Orange Tunisie
24835 326 210 13 Vodafone Data
29571 301 37 13 Cote d'Ivoire Telecom
2018 256 327 74 TENET (The UNINET Project)
36947 238 807 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 5555 4192 76 China Education and Research
10620 3460 540 170 Telmex Colombia S.A.
22773 3321 2948 145 Cox Communications Inc.
7545 3286 353 208 TPG Telecom Limited
4766 3164 11145 1121 Korea Telecom
17974 2921 914 96 PT Telekomunikasi Indonesia
39891 2708 143 10 SaudiNet, Saudi Telecom Compa
9829 2494 1466 462 National Internet Backbone
20940 2442 924 1780 Akamai International B.V.
6389 2318 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 3460 3290 Telmex Colombia S.A.
22773 3321 3176 Cox Communications Inc.
7545 3286 3078 TPG Telecom Limited
17974 2921 2825 PT Telekomunikasi Indonesia
39891 2708 2698 SaudiNet, Saudi Telecom Compa
6389 2318 2277 BellSouth.net Inc.
4766 3164 2043 Korea Telecom
9829 2494 2032 National Internet Backbone
18566 2207 1930 MegaPath Corporation
9808 1883 1853 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
/13:512 /14:1034 /15:1762 /16:12979 /17:7590 /18:12773
/19:25883 /20:38229 /21:39950 /22:65462 /23:56907 /24:327039
/25:556 /26:593 /27:420 /28:43 /29:32 /30:14
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2708 SaudiNet, Saudi Telecom Compa
22773 2505 3321 Cox Communications Inc.
18566 2109 2207 MegaPath Corporation
30036 1544 1728 Mediacom Communications Corp
6389 1485 2318 BellSouth.net Inc.
10620 1358 3460 Telmex Colombia S.A.
6983 1342 1694 EarthLink, Inc.
34984 1249 1964 TELLCOM ILETISIM HIZMETLERI A
11492 1171 1265 CABLE ONE, INC.
8551 1124 1628 Bezeq International-Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1591 2:748 4:21 5:2065 6:28 8:949
12:1775 13:39 14:1674 15:45 16:2 17:80
18:89 20:48 23:1477 24:1768 27:2273 31:1750
32:57 33:2 34:2 35:5 36:286 37:2253
38:1212 39:27 40:89 41:2746 42:395 43:1728
44:42 45:1810 46:2512 47:75 49:1140 50:875
51:19 52:167 54:329 55:5 56:6 57:45
58:1551 59:861 60:347 61:1811 62:1497 63:1923
64:4469 65:2146 66:4246 67:2142 68:1088 69:3248
70:1071 71:468 72:1986 74:2544 75:343 76:424
77:1370 78:1259 79:1049 80:1322 81:1351 82:924
83:693 84:819 85:1573 86:466 87:1034 88:561
89:1970 90:170 91:6055 92:875 93:2331 94:2343
95:2295 96:478 97:357 98:945 99:45 100:72
101:1051 103:10462 104:2375 105:151 106:398 107:1100
108:672 109:2325 110:1244 111:1652 112:965 113:1161
114:1047 115:1566 116:1586 117:1444 118:2050 119:1598
120:924 121:1168 122:2226 123:2010 124:1568 125:1756
128:708 129:381 130:406 131:1336 132:626 133:174
134:448 135:125 136:374 137:344 138:1729 139:254
140:385 141:468 142:657 143:891 144:646 145:157
146:865 147:679 148:1466 149:500 150:652 151:755
152:607 153:270 154:614 155:958 156:493 157:480
158:341 159:1113 160:474 161:780 162:2291 163:535
164:752 165:1052 166:312 167:1131 168:1762 169:645
170:1571 171:267 172:532 173:1705 174:733 175:724
176:1710 177:3983 178:2192 179:1170 180:2065 181:1746
182:1899 183:926 184:802 185:6280 186:3130 187:2135
188:2109 189:1726 190:7722 191:1237 192:8923 193:5732
194:4365 195:3748 196:1714 197:1107 198:5528 199:5701
200:6926 201:3727 202:10126 203:9644 204:4653 205:2712
206:2984 207:3101 208:4059 209:3795 210:3922 211:2051
212:2663 213:2206 214:851 215:72 216:5786 217:1926
218:786 219:561 220:1672 221:874 222:661 223:1193
End of report
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