[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 11 18:12:28 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 12 Dec, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 573795
Prefixes after maximum aggregation (per Origin AS): 212506
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 279069
Total ASes present in the Internet Routing Table: 52276
Prefixes per ASN: 10.98
Origin-only ASes present in the Internet Routing Table: 36640
Origin ASes announcing only one prefix: 15915
Transit ASes present in the Internet Routing Table: 6406
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: 1023
Unregistered ASNs in the Routing Table: 367
Number of 32-bit ASNs allocated by the RIRs: 12048
Number of 32-bit ASNs visible in the Routing Table: 9230
Prefixes from 32-bit ASNs in the Routing Table: 35204
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 423
Number of addresses announced to Internet: 2813287104
Equivalent to 167 /8s, 175 /16s and 90 /24s
Percentage of available address space announced: 76.0
Percentage of allocated address space announced: 76.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.8
Total number of prefixes smaller than registry allocations: 188866
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 145489
Total APNIC prefixes after maximum aggregation: 39792
APNIC Deaggregation factor: 3.66
Prefixes being announced from the APNIC address blocks: 153904
Unique aggregates announced from the APNIC address blocks: 61088
APNIC Region origin ASes present in the Internet Routing Table: 5117
APNIC Prefixes per ASN: 30.08
APNIC Region origin ASes announcing only one prefix: 1193
APNIC Region transit ASes present in the Internet Routing Table: 896
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: 1743
Number of APNIC addresses announced to Internet: 755731328
Equivalent to 45 /8s, 11 /16s and 139 /24s
Percentage of available APNIC address space announced: 88.3
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: 181116
Total ARIN prefixes after maximum aggregation: 89082
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 184502
Unique aggregates announced from the ARIN address blocks: 86820
ARIN Region origin ASes present in the Internet Routing Table: 16505
ARIN Prefixes per ASN: 11.18
ARIN Region origin ASes announcing only one prefix: 5956
ARIN Region transit ASes present in the Internet Routing Table: 1725
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: 875
Number of ARIN addresses announced to Internet: 1113232064
Equivalent to 66 /8s, 90 /16s and 146 /24s
Percentage of available ARIN address space announced: 58.9
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: 138024
Total RIPE prefixes after maximum aggregation: 68622
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 145940
Unique aggregates announced from the RIPE address blocks: 90428
RIPE Region origin ASes present in the Internet Routing Table: 18037
RIPE Prefixes per ASN: 8.09
RIPE Region origin ASes announcing only one prefix: 7983
RIPE Region transit ASes present in the Internet Routing Table: 2991
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4298
Number of RIPE addresses announced to Internet: 702206592
Equivalent to 41 /8s, 218 /16s and 210 /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: 60416
Total LACNIC prefixes after maximum aggregation: 11871
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 73218
Unique aggregates announced from the LACNIC address blocks: 34132
LACNIC Region origin ASes present in the Internet Routing Table: 2461
LACNIC Prefixes per ASN: 29.75
LACNIC Region origin ASes announcing only one prefix: 594
LACNIC Region transit ASes present in the Internet Routing Table: 543
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: 2138
Number of LACNIC addresses announced to Internet: 170425600
Equivalent to 10 /8s, 40 /16s and 125 /24s
Percentage of available LACNIC address space announced: 101.6
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: 13465
Total AfriNIC prefixes after maximum aggregation: 3098
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 15808
Unique aggregates announced from the AfriNIC address blocks: 6241
AfriNIC Region origin ASes present in the Internet Routing Table: 730
AfriNIC Prefixes per ASN: 21.65
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 170
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 176
Number of AfriNIC addresses announced to Internet: 71309824
Equivalent to 4 /8s, 64 /16s and 26 /24s
Percentage of available AfriNIC address space announced: 70.8
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 5584 4192 76 China Education and Research
7545 3059 346 156 TPG Telecom Limited
4766 3016 11136 998 Korea Telecom
17974 2732 914 96 PT Telekomunikasi Indonesia
9829 2190 1414 315 National Internet Backbone
4755 2066 431 234 TATA Communications formerly
9808 1686 8639 18 Guangdong Mobile Communicatio
4808 1568 2273 500 CNCGROUP IP network China169
9583 1519 163 85 Sify Limited
9498 1402 335 112 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 3267 2964 143 Cox Communications Inc.
3356 2591 10692 531 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
18566 2212 394 277 MegaPath Corporation
20115 1894 1902 403 Charter Communications
6983 1698 849 239 EarthLink, Inc.
30036 1664 332 341 Mediacom Communications Corp
4323 1577 1021 394 tw telecom holdings, inc.
209 1460 4337 1225 Qwest Communications Company,
701 1395 11447 665 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 2255 895 1619 Akamai International B.V.
34984 1926 321 401 TELLCOM ILETISIM HIZMETLERI A
8551 1438 376 44 Bezeq International-Ltd
8402 1173 544 15 OJSC "Vimpelcom"
13188 1075 97 79 TOV "Bank-Inform"
12479 1054 967 77 France Telecom Espana SA
31148 1042 47 41 Freenet Ltd.
9198 950 349 25 JSC Kazakhtelecom
6830 899 2713 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 3418 543 117 Telmex Colombia S.A.
8151 2118 3350 503 Uninet S.A. de C.V.
7303 1580 941 241 Telecom Argentina S.A.
6503 1353 453 58 Axtel, S.A.B. de C.V.
28573 1243 2158 164 NET Serviços de Comunicação S
11830 1094 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 974 459 185 COLOMBIA TELECOMUNICACIONES S
26615 960 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 1228 1470 14 TE-AS
24863 1133 409 38 Link Egypt (Link.NET)
37611 581 39 38 Afrihost-Brevis Computer Serv
36903 540 272 108 Office National des Postes et
36992 431 1229 32 ETISALAT MISR
37492 325 192 74 Orange Tunisie
29571 244 21 11 Cote d'Ivoire Telecom
24835 234 146 12 Vodafone Data
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 5584 4192 76 China Education and Research
10620 3418 543 117 Telmex Colombia S.A.
22773 3267 2964 143 Cox Communications Inc.
7545 3059 346 156 TPG Telecom Limited
4766 3016 11136 998 Korea Telecom
17974 2732 914 96 PT Telekomunikasi Indonesia
3356 2591 10692 531 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2255 895 1619 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 3418 3301 Telmex Colombia S.A.
22773 3267 3124 Cox Communications Inc.
7545 3059 2903 TPG Telecom Limited
17974 2732 2636 PT Telekomunikasi Indonesia
6389 2508 2466 BellSouth.net Inc.
39891 2473 2466 SaudiNet, Saudi Telecom Compa
3356 2591 2060 Level 3 Communications, Inc.
4766 3016 2018 Korea Telecom
18566 2212 1935 MegaPath Corporation
9829 2190 1875 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
47092 UNALLOCATED 8.8.204.0/24 16410 The Reynolds and Rey
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
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
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.46.8.0/23 13768 Peer 1 Network (USA) Inc.
37.46.10.0/23 36351 SoftLayer Technologies Inc.
37.46.14.0/24 36351 SoftLayer Technologies Inc.
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 /9:11 /10:36 /11:100 /12:265
/13:508 /14:1014 /15:1772 /16:12964 /17:7387 /18:12607
/19:25540 /20:37739 /21:39941 /22:63279 /23:54855 /24:314197
/25:544 /26:578 /27:380 /28:16 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2457 3267 Cox Communications Inc.
39891 2432 2473 SaudiNet, Saudi Telecom Compa
18566 2114 2212 MegaPath Corporation
6389 1553 2508 BellSouth.net Inc.
30036 1481 1664 Mediacom Communications Corp
6983 1345 1698 EarthLink, Inc.
10620 1288 3418 Telmex Colombia S.A.
34984 1211 1926 TELLCOM ILETISIM HIZMETLERI A
11492 1140 1230 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)
----------------------------------------------
1:1645 2:705 4:100 5:2050 6:26 8:1410
12:1808 13:29 14:1593 15:23 16:2 17:56
18:19 20:46 22:1 23:1321 24:1740 27:2153
31:1644 32:54 33:2 34:4 35:5 36:185
37:2200 38:1130 39:22 40:76 41:3006 42:369
43:1624 44:36 45:1550 46:2343 47:64 49:1042
50:821 52:35 54:96 55:8 56:8 57:44
58:1416 59:834 60:513 61:1760 62:1463 63:1914
64:4419 65:2189 66:4056 67:2144 68:1090 69:3277
70:1044 71:464 72:1987 74:2554 75:357 76:417
77:1376 78:1261 79:815 80:1326 81:1361 82:854
83:669 84:772 85:1520 86:454 87:1050 88:549
89:1905 90:167 91:5973 92:860 93:2298 94:2208
95:2231 96:472 97:354 98:910 99:45 100:79
101:863 103:9072 104:2189 105:73 106:360 107:1138
108:637 109:2352 110:1226 111:1537 112:871 113:1195
114:901 115:1517 116:1502 117:1326 118:1999 119:1496
120:511 121:1159 122:2255 123:1873 124:1546 125:1740
128:702 129:353 130:389 131:1274 132:575 133:169
134:451 135:119 136:344 137:310 138:1545 139:188
140:247 141:465 142:636 143:722 144:572 145:149
146:806 147:606 148:1269 149:457 150:623 151:813
152:574 153:268 154:467 155:896 156:436 157:446
158:341 159:1061 160:421 161:689 162:2216 163:499
164:709 165:1091 166:313 167:906 168:1341 169:554
170:1479 171:265 172:362 173:1569 174:717 175:763
176:1516 177:3971 178:2279 179:1070 180:2032 181:1618
182:1898 183:656 184:765 185:5123 186:3021 187:1891
188:2096 189:1710 190:7487 191:1221 192:8720 193:5732
194:4316 195:3705 196:2251 197:1141 198:5514 199:5522
200:6677 201:3494 202:9872 203:9293 204:4568 205:2744
206:2989 207:3012 208:4013 209:3971 210:3744 211:2011
212:2624 213:2163 214:836 215:73 216:5740 217:1877
218:742 219:544 220:1635 221:802 222:646 223:865
End of report
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