[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 15 18:11:16 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 16 Jan, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 579243
Prefixes after maximum aggregation (per Origin AS): 214165
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 287310
Total ASes present in the Internet Routing Table: 52514
Prefixes per ASN: 11.03
Origin-only ASes present in the Internet Routing Table: 36606
Origin ASes announcing only one prefix: 15851
Transit ASes present in the Internet Routing Table: 6420
Transit-only ASes present in the Internet Routing Table: 166
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 39
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 1011
Unregistered ASNs in the Routing Table: 359
Number of 32-bit ASNs allocated by the RIRs: 12365
Number of 32-bit ASNs visible in the Routing Table: 9488
Prefixes from 32-bit ASNs in the Routing Table: 36286
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: 414
Number of addresses announced to Internet: 2804584132
Equivalent to 167 /8s, 42 /16s and 142 /24s
Percentage of available address space announced: 75.8
Percentage of allocated address space announced: 75.8
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: 189977
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 147506
Total APNIC prefixes after maximum aggregation: 40730
APNIC Deaggregation factor: 3.62
Prefixes being announced from the APNIC address blocks: 156287
Unique aggregates announced from the APNIC address blocks: 63033
APNIC Region origin ASes present in the Internet Routing Table: 5127
APNIC Prefixes per ASN: 30.48
APNIC Region origin ASes announcing only one prefix: 1181
APNIC Region transit ASes present in the Internet Routing Table: 903
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1799
Number of APNIC addresses announced to Internet: 756473220
Equivalent to 45 /8s, 22 /16s and 221 /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: 181505
Total ARIN prefixes after maximum aggregation: 89204
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 184920
Unique aggregates announced from the ARIN address blocks: 92086
ARIN Region origin ASes present in the Internet Routing Table: 16450
ARIN Prefixes per ASN: 11.24
ARIN Region origin ASes announcing only one prefix: 5923
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: 938
Number of ARIN addresses announced to Internet: 1100217536
Equivalent to 65 /8s, 147 /16s and 252 /24s
Percentage of available ARIN address space announced: 58.2
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: 138794
Total RIPE prefixes after maximum aggregation: 69063
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 146870
Unique aggregates announced from the RIPE address blocks: 90884
RIPE Region origin ASes present in the Internet Routing Table: 18054
RIPE Prefixes per ASN: 8.14
RIPE Region origin ASes announcing only one prefix: 7968
RIPE Region transit ASes present in the Internet Routing Table: 3013
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4366
Number of RIPE addresses announced to Internet: 702490240
Equivalent to 41 /8s, 223 /16s and 38 /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: 61110
Total LACNIC prefixes after maximum aggregation: 11950
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 74383
Unique aggregates announced from the LACNIC address blocks: 34513
LACNIC Region origin ASes present in the Internet Routing Table: 2468
LACNIC Prefixes per ASN: 30.14
LACNIC Region origin ASes announcing only one prefix: 588
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: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2202
Number of LACNIC addresses announced to Internet: 170669568
Equivalent to 10 /8s, 44 /16s and 54 /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: 13958
Total AfriNIC prefixes after maximum aggregation: 3177
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 16369
Unique aggregates announced from the AfriNIC address blocks: 6454
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 22.27
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 173
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: 183
Number of AfriNIC addresses announced to Internet: 74363648
Equivalent to 4 /8s, 110 /16s and 179 /24s
Percentage of available AfriNIC address space announced: 73.9
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 5592 4192 76 China Education and Research
7545 3129 348 159 TPG Telecom Limited
4766 3017 11136 1005 Korea Telecom
17974 2859 914 96 PT Telekomunikasi Indonesia
9829 2294 1430 370 National Internet Backbone
4755 2076 432 234 TATA Communications formerly
9808 1725 8717 29 Guangdong Mobile Communicatio
4808 1611 2278 506 CNCGROUP IP network China169
9583 1515 121 560 Sify Limited
38197 1423 89 189 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 3292 2948 145 Cox Communications Inc.
3356 2603 10691 547 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
18566 2209 394 277 MegaPath Corporation
20115 1907 1908 409 Charter Communications
6983 1696 849 238 EarthLink, Inc.
30036 1679 333 325 Mediacom Communications Corp
4323 1580 1021 393 tw telecom holdings, inc.
209 1471 4339 1234 Qwest Communications Company,
701 1385 11450 656 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 2515 135 9 SaudiNet, Saudi Telecom Compa
20940 2322 917 1659 Akamai International B.V.
34984 1940 322 412 TELLCOM ILETISIM HIZMETLERI A
8551 1224 376 53 Bezeq International-Ltd
8402 1084 544 15 OJSC "Vimpelcom"
13188 1076 97 77 TOV "Bank-Inform"
12479 1072 965 80 France Telecom Espana SA
31148 1043 48 42 Freenet Ltd.
9198 976 352 24 JSC Kazakhtelecom
6830 895 2712 465 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 540 144 Telmex Colombia S.A.
8151 2175 3384 523 Uninet S.A. de C.V.
7303 1588 943 243 Telecom Argentina S.A.
11830 1434 366 25 Instituto Costarricense de El
6503 1400 437 56 Axtel, S.A.B. de C.V.
28573 1161 2170 144 NET Serviços de Comunicação S
6147 1037 376 34 Telefonica del Peru S.A.A.
7738 994 1882 41 Telemar Norte Leste S.A.
3816 981 459 186 COLOMBIA TELECOMUNICACIONES S
26615 943 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 1275 1472 15 TE-AS
24863 1173 403 36 Link Egypt (Link.NET)
37611 584 39 42 Afrihost-Brevis Computer Serv
36903 553 278 106 Office National des Postes et
36992 450 1237 34 ETISALAT MISR
37492 335 213 63 Orange Tunisie
24835 331 146 12 Vodafone Data
29571 264 21 11 Cote d'Ivoire Telecom
3741 221 837 183 Internet Solutions
36947 177 807 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 5592 4192 76 China Education and Research
10620 3412 540 144 Telmex Colombia S.A.
22773 3292 2948 145 Cox Communications Inc.
7545 3129 348 159 TPG Telecom Limited
4766 3017 11136 1005 Korea Telecom
17974 2859 914 96 PT Telekomunikasi Indonesia
3356 2603 10691 547 Level 3 Communications, Inc.
39891 2515 135 9 SaudiNet, Saudi Telecom Compa
6389 2508 3687 42 BellSouth.net Inc.
20940 2322 917 1659 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 3268 Telmex Colombia S.A.
22773 3292 3147 Cox Communications Inc.
7545 3129 2970 TPG Telecom Limited
17974 2859 2763 PT Telekomunikasi Indonesia
39891 2515 2506 SaudiNet, Saudi Telecom Compa
6389 2508 2466 BellSouth.net Inc.
3356 2603 2056 Level 3 Communications, Inc.
4766 3017 2012 Korea Telecom
18566 2209 1932 MegaPath Corporation
9829 2294 1924 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<<
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<<
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 /8:16 /9:13 /10:35 /11:99 /12:263
/13:506 /14:1016 /15:1756 /16:12972 /17:7430 /18:12631
/19:25611 /20:37962 /21:40069 /22:63974 /23:55455 /24:317867
/25:544 /26:577 /27:386 /28:15 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2475 3292 Cox Communications Inc.
39891 2472 2515 SaudiNet, Saudi Telecom Compa
18566 2111 2209 MegaPath Corporation
6389 1553 2508 BellSouth.net Inc.
30036 1496 1679 Mediacom Communications Corp
6983 1342 1696 EarthLink, Inc.
10620 1292 3412 Telmex Colombia S.A.
34984 1226 1940 TELLCOM ILETISIM HIZMETLERI A
11492 1152 1244 CABLE ONE, INC.
31148 960 1043 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1622 2:670 4:101 5:2073 6:26 8:1432
12:1783 13:33 14:1614 15:22 16:2 17:58
18:19 20:48 22:1 23:1339 24:1747 27:2215
31:1721 32:54 33:2 34:4 35:5 36:209
37:2331 38:1136 39:23 40:81 41:3097 42:374
43:1649 44:38 45:1627 46:2381 47:66 49:1077
50:827 51:3 52:42 54:136 55:6 56:8
57:44 58:1470 59:847 60:535 61:1777 62:1436
63:1915 64:4466 65:2175 66:4081 67:2109 68:1101
69:3282 70:1042 71:462 72:1984 74:2545 75:358
76:421 77:1366 78:1273 79:797 80:1313 81:1349
82:857 83:670 84:783 85:1522 86:455 87:1048
88:551 89:1933 90:150 91:5972 92:866 93:2306
94:2249 95:2262 96:472 97:352 98:944 99:45
100:75 101:877 103:9365 104:2206 105:94 106:373
107:1106 108:642 109:2172 110:1261 111:1595 112:888
113:1209 114:945 115:1573 116:1518 117:1363 118:2019
119:1534 120:494 121:1166 122:2277 123:2010 124:1590
125:1741 128:684 129:356 130:424 131:1304 132:603
133:170 134:450 135:117 136:345 137:325 138:1633
139:200 140:251 141:471 142:637 143:797 144:579
145:152 146:840 147:600 148:1407 149:453 150:639
151:802 152:583 153:266 154:539 155:913 156:451
157:419 158:348 159:1071 160:419 161:711 162:2234
163:528 164:717 165:1123 166:316 167:954 168:1355
169:566 170:1479 171:264 172:399 173:1586 174:708
175:820 176:1493 177:4082 178:2228 179:1080 180:2055
181:1636 182:1921 183:619 184:798 185:5393 186:3038
187:1905 188:2113 189:1735 190:7602 191:1270 192:8775
193:5728 194:4321 195:3721 196:2298 197:1149 198:5505
199:5535 200:6807 201:3695 202:9995 203:9348 204:4577
205:2720 206:2965 207:3030 208:4012 209:3963 210:3776
211:2005 212:2613 213:2131 214:827 215:73 216:5693
217:1886 218:742 219:557 220:1641 221:848 222:667
223:908
End of report
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