[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 25 18:11:52 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 26 Dec, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 576265
Prefixes after maximum aggregation (per Origin AS): 213285
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 280854
Total ASes present in the Internet Routing Table: 52365
Prefixes per ASN: 11.00
Origin-only ASes present in the Internet Routing Table: 36632
Origin ASes announcing only one prefix: 15883
Transit ASes present in the Internet Routing Table: 6400
Transit-only ASes present in the Internet Routing Table: 169
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 37
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 1012
Unregistered ASNs in the Routing Table: 362
Number of 32-bit ASNs allocated by the RIRs: 12218
Number of 32-bit ASNs visible in the Routing Table: 9333
Prefixes from 32-bit ASNs in the Routing Table: 35630
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 393
Number of addresses announced to Internet: 2802731460
Equivalent to 167 /8s, 14 /16s and 73 /24s
Percentage of available address space announced: 75.7
Percentage of allocated address space announced: 75.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.9
Total number of prefixes smaller than registry allocations: 189204
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 146560
Total APNIC prefixes after maximum aggregation: 40490
APNIC Deaggregation factor: 3.62
Prefixes being announced from the APNIC address blocks: 155240
Unique aggregates announced from the APNIC address blocks: 62692
APNIC Region origin ASes present in the Internet Routing Table: 5125
APNIC Prefixes per ASN: 30.29
APNIC Region origin ASes announcing only one prefix: 1198
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: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1770
Number of APNIC addresses announced to Internet: 756202372
Equivalent to 45 /8s, 18 /16s and 187 /24s
Percentage of available APNIC address space announced: 88.4
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: 181143
Total ARIN prefixes after maximum aggregation: 88980
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 184603
Unique aggregates announced from the ARIN address blocks: 86550
ARIN Region origin ASes present in the Internet Routing Table: 16470
ARIN Prefixes per ASN: 11.21
ARIN Region origin ASes announcing only one prefix: 5932
ARIN Region transit ASes present in the Internet Routing Table: 1727
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: 905
Number of ARIN addresses announced to Internet: 1101780160
Equivalent to 65 /8s, 171 /16s and 212 /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: 138551
Total RIPE prefixes after maximum aggregation: 68822
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 146446
Unique aggregates announced from the RIPE address blocks: 90653
RIPE Region origin ASes present in the Internet Routing Table: 18042
RIPE Prefixes per ASN: 8.12
RIPE Region origin ASes announcing only one prefix: 7965
RIPE Region transit ASes present in the Internet Routing Table: 2991
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4325
Number of RIPE addresses announced to Internet: 702356864
Equivalent to 41 /8s, 221 /16s and 29 /24s
Percentage of available RIPE address space announced: 102.1
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: 60646
Total LACNIC prefixes after maximum aggregation: 11836
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 73576
Unique aggregates announced from the LACNIC address blocks: 34301
LACNIC Region origin ASes present in the Internet Routing Table: 2463
LACNIC Prefixes per ASN: 29.87
LACNIC Region origin ASes announcing only one prefix: 595
LACNIC Region transit ASes present in the Internet Routing Table: 542
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: 2158
Number of LACNIC addresses announced to Internet: 170689536
Equivalent to 10 /8s, 44 /16s and 132 /24s
Percentage of available LACNIC address space announced: 101.7
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: 13649
Total AfriNIC prefixes after maximum aggregation: 3115
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 16007
Unique aggregates announced from the AfriNIC address blocks: 6324
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 21.75
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 167
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: 175
Number of AfriNIC addresses announced to Internet: 71343360
Equivalent to 4 /8s, 64 /16s and 157 /24s
Percentage of available AfriNIC address space announced: 70.9
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 5600 4192 76 China Education and Research
7545 3065 346 158 TPG Telecom Limited
4766 3018 11136 1000 Korea Telecom
17974 2854 914 96 PT Telekomunikasi Indonesia
9829 2221 1416 374 National Internet Backbone
4755 2068 431 233 TATA Communications formerly
9808 1709 8639 18 Guangdong Mobile Communicatio
4808 1590 2275 505 CNCGROUP IP network China169
9583 1508 121 557 Sify Limited
38197 1416 88 186 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 3272 2964 145 Cox Communications Inc.
3356 2594 10690 532 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
18566 2211 394 277 MegaPath Corporation
20115 1908 1907 403 Charter Communications
6983 1699 849 238 EarthLink, Inc.
30036 1668 332 329 Mediacom Communications Corp
4323 1578 1021 393 tw telecom holdings, inc.
209 1464 4338 1228 Qwest Communications Company,
701 1381 11445 652 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 2290 909 1642 Akamai International B.V.
34984 1933 321 410 TELLCOM ILETISIM HIZMETLERI A
8551 1435 376 44 Bezeq International-Ltd
8402 1087 544 15 OJSC "Vimpelcom"
13188 1075 97 79 TOV "Bank-Inform"
12479 1070 965 80 France Telecom Espana SA
31148 1042 47 41 Freenet Ltd.
9198 954 349 26 JSC Kazakhtelecom
6830 894 2712 464 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 3412 541 120 Telmex Colombia S.A.
8151 2121 3364 490 Uninet S.A. de C.V.
7303 1581 942 241 Telecom Argentina S.A.
6503 1388 453 58 Axtel, S.A.B. de C.V.
28573 1205 2174 131 NET Serviços de Comunicação S
11830 1096 366 25 Instituto Costarricense de El
6147 1037 376 34 Telefonica del Peru S.A.A.
7738 994 1882 41 Telemar Norte Leste S.A.
3816 977 460 187 COLOMBIA TELECOMUNICACIONES S
26615 956 2325 34 Tim Celular S.A.
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 1208 1470 14 TE-AS
24863 1167 405 37 Link Egypt (Link.NET)
37611 583 39 40 Afrihost-Brevis Computer Serv
36903 552 278 110 Office National des Postes et
36992 446 1233 33 ETISALAT MISR
37492 328 192 67 Orange Tunisie
24835 326 146 12 Vodafone Data
29571 264 21 11 Cote d'Ivoire Telecom
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 3412 541 120 Telmex Colombia S.A.
22773 3272 2964 145 Cox Communications Inc.
7545 3065 346 158 TPG Telecom Limited
4766 3018 11136 1000 Korea Telecom
17974 2854 914 96 PT Telekomunikasi Indonesia
3356 2594 10690 532 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2290 909 1642 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 3412 3292 Telmex Colombia S.A.
22773 3272 3127 Cox Communications Inc.
7545 3065 2907 TPG Telecom Limited
17974 2854 2758 PT Telekomunikasi Indonesia
6389 2508 2466 BellSouth.net Inc.
39891 2473 2466 SaudiNet, Saudi Telecom Compa
3356 2594 2062 Level 3 Communications, Inc.
4766 3018 2018 Korea Telecom
18566 2211 1934 MegaPath Corporation
9829 2221 1847 National Internet Backbone
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
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
37.46.10.0/23 36351 SoftLayer Technologies Inc.
37.46.14.0/24 36351 SoftLayer Technologies Inc.
37.46.15.0/24 36351 SoftLayer Technologies Inc.
41.73.1.0/24 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 /11:100 /12:265
/13:507 /14:1016 /15:1773 /16:12983 /17:7413 /18:12626
/19:25571 /20:37724 /21:39995 /22:63678 /23:55100 /24:315883
/25:547 /26:576 /27:381 /28:16 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2460 3272 Cox Communications Inc.
39891 2432 2473 SaudiNet, Saudi Telecom Compa
18566 2113 2211 MegaPath Corporation
6389 1553 2508 BellSouth.net Inc.
30036 1485 1668 Mediacom Communications Corp
6983 1345 1699 EarthLink, Inc.
10620 1290 3412 Telmex Colombia S.A.
34984 1221 1933 TELLCOM ILETISIM HIZMETLERI A
11492 1132 1222 CABLE ONE, INC.
31148 961 1042 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1639 2:655 4:100 5:2072 6:26 8:1420
12:1797 13:30 14:1594 15:23 16:2 17:57
18:19 20:48 22:1 23:1314 24:1737 27:2157
31:1716 32:54 33:2 34:4 35:5 36:197
37:2217 38:1140 39:22 40:76 41:3013 42:368
43:1619 44:36 45:1582 46:2374 47:63 49:1070
50:823 51:3 52:36 54:96 55:8 56:8
57:44 58:1436 59:840 60:523 61:1770 62:1413
63:1909 64:4447 65:2177 66:4075 67:2136 68:1092
69:3270 70:1041 71:461 72:1979 74:2559 75:358
76:418 77:1381 78:1269 79:821 80:1312 81:1347
82:859 83:669 84:775 85:1524 86:457 87:1040
88:552 89:1935 90:153 91:5963 92:862 93:2308
94:2231 95:2248 96:470 97:353 98:955 99:45
100:79 101:871 103:9243 104:2165 105:89 106:360
107:1099 108:639 109:2376 110:1247 111:1550 112:887
113:1193 114:916 115:1539 116:1516 117:1609 118:2029
119:1520 120:518 121:1165 122:2250 123:1877 124:1579
125:1741 128:673 129:357 130:422 131:1273 132:593
133:169 134:453 135:117 136:339 137:310 138:1599
139:199 140:248 141:464 142:637 143:738 144:578
145:150 146:824 147:609 148:1425 149:459 150:625
151:809 152:566 153:270 154:481 155:908 156:445
157:411 158:349 159:1065 160:421 161:695 162:2221
163:508 164:712 165:1100 166:315 167:921 168:1344
169:560 170:1483 171:263 172:369 173:1576 174:715
175:769 176:1503 177:3996 178:2221 179:1063 180:2071
181:1632 182:1911 183:664 184:763 185:5252 186:3015
187:1898 188:2124 189:1721 190:7579 191:1257 192:8747
193:5727 194:4315 195:3711 196:2255 197:1120 198:5498
199:5517 200:6715 201:3491 202:9915 203:9290 204:4569
205:2738 206:2963 207:3020 208:4012 209:3977 210:3763
211:2019 212:2623 213:2186 214:814 215:73 216:5707
217:1887 218:741 219:555 220:1639 221:807 222:645
223:880
End of report
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