[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 1 18:10:27 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 02 Apr, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 588557
Prefixes after maximum aggregation (per Origin AS): 216385
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 288091
Total ASes present in the Internet Routing Table: 53275
Prefixes per ASN: 11.05
Origin-only ASes present in the Internet Routing Table: 36612
Origin ASes announcing only one prefix: 15734
Transit ASes present in the Internet Routing Table: 6406
Transit-only ASes present in the Internet Routing Table: 178
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 37
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 966
Unregistered ASNs in the Routing Table: 358
Number of 32-bit ASNs allocated by the RIRs: 13295
Number of 32-bit ASNs visible in the Routing Table: 10257
Prefixes from 32-bit ASNs in the Routing Table: 40054
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 379
Number of addresses announced to Internet: 2806633732
Equivalent to 167 /8s, 73 /16s and 213 /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: 98.1
Total number of prefixes smaller than registry allocations: 192525
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 150775
Total APNIC prefixes after maximum aggregation: 41981
APNIC Deaggregation factor: 3.59
Prefixes being announced from the APNIC address blocks: 160950
Unique aggregates announced from the APNIC address blocks: 65681
APNIC Region origin ASes present in the Internet Routing Table: 5146
APNIC Prefixes per ASN: 31.28
APNIC Region origin ASes announcing only one prefix: 1183
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: 1966
Number of APNIC addresses announced to Internet: 751627332
Equivalent to 44 /8s, 204 /16s and 236 /24s
Percentage of available APNIC address space announced: 87.8
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: 180018
Total ARIN prefixes after maximum aggregation: 89009
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 185195
Unique aggregates announced from the ARIN address blocks: 87864
ARIN Region origin ASes present in the Internet Routing Table: 16394
ARIN Prefixes per ASN: 11.30
ARIN Region origin ASes announcing only one prefix: 5882
ARIN Region transit ASes present in the Internet Routing Table: 1713
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: 1099
Number of ARIN addresses announced to Internet: 1101578560
Equivalent to 65 /8s, 168 /16s and 193 /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: 141552
Total RIPE prefixes after maximum aggregation: 69988
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 150107
Unique aggregates announced from the RIPE address blocks: 92701
RIPE Region origin ASes present in the Internet Routing Table: 18072
RIPE Prefixes per ASN: 8.31
RIPE Region origin ASes announcing only one prefix: 7912
RIPE Region transit ASes present in the Internet Routing Table: 2997
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4606
Number of RIPE addresses announced to Internet: 704360576
Equivalent to 41 /8s, 251 /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: 61798
Total LACNIC prefixes after maximum aggregation: 12183
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 75832
Unique aggregates announced from the LACNIC address blocks: 35811
LACNIC Region origin ASes present in the Internet Routing Table: 2470
LACNIC Prefixes per ASN: 30.70
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 551
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2386
Number of LACNIC addresses announced to Internet: 170590976
Equivalent to 10 /8s, 43 /16s and 3 /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: 14280
Total AfriNIC prefixes after maximum aggregation: 3183
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 16094
Unique aggregates announced from the AfriNIC address blocks: 5693
AfriNIC Region origin ASes present in the Internet Routing Table: 732
AfriNIC Prefixes per ASN: 21.99
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 167
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 200
Number of AfriNIC addresses announced to Internet: 78107392
Equivalent to 4 /8s, 167 /16s and 211 /24s
Percentage of available AfriNIC address space announced: 77.6
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 5594 4192 76 China Education and Research
7545 3275 352 190 TPG Telecom Limited
4766 3151 11142 1117 Korea Telecom
17974 2912 914 96 PT Telekomunikasi Indonesia
9829 2446 1457 446 National Internet Backbone
4755 2100 432 245 TATA Communications formerly
9808 1854 8717 30 Guangdong Mobile Communicatio
4808 1650 2290 531 CNCGROUP IP network China169
4788 1528 645 62 TM Net, Internet Service Prov
9583 1519 121 564 Sify Limited
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 3345 2948 148 Cox Communications Inc.
6389 2357 3687 42 BellSouth.net Inc.
18566 2209 394 276 MegaPath Corporation
20115 1920 1931 402 Charter Communications
30036 1737 344 237 Mediacom Communications Corp
6983 1691 849 231 EarthLink, Inc.
4323 1570 1004 386 tw telecom holdings, inc.
209 1553 4636 1235 Qwest Communications Company,
701 1382 11446 661 MCI Communications Services,
11492 1270 235 601 CABLE ONE, 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 2425 933 1761 Akamai International B.V.
34984 1962 323 415 TELLCOM ILETISIM HIZMETLERI A
8551 1259 376 54 Bezeq International-Ltd
6849 1158 355 21 JSC "Ukrtelecom"
12479 1140 980 86 France Telecom Espana SA
8402 1101 544 15 OJSC "Vimpelcom"
13188 1079 98 69 TOV "Bank-Inform"
31148 1035 47 41 Freenet Ltd.
6830 891 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 3448 542 134 Telmex Colombia S.A.
8151 2217 3310 542 Uninet S.A. de C.V.
7303 1521 940 245 Telecom Argentina S.A.
11830 1479 368 51 Instituto Costarricense de El
6503 1433 453 56 Axtel, S.A.B. de C.V.
6147 1050 377 27 Telefonica del Peru S.A.A.
3816 994 478 185 COLOMBIA TELECOMUNICACIONES S
26615 993 2325 34 Tim Celular S.A.
7738 990 1882 40 Telemar Norte Leste S.A.
28573 884 2172 160 NET Serviços de Comunicação S
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 1217 402 40 Link Egypt (Link.NET)
8452 679 1472 15 TE-AS
37611 643 48 2 Afrihost-Brevis Computer Serv
36903 584 294 104 Office National des Postes et
36992 506 1357 25 ETISALAT MISR
37492 382 233 65 Orange Tunisie
29571 295 37 12 Cote d'Ivoire Telecom
24835 290 146 12 Vodafone Data
2018 249 327 74 TENET (The UNINET Project)
36947 234 807 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 5594 4192 76 China Education and Research
10620 3448 542 134 Telmex Colombia S.A.
22773 3345 2948 148 Cox Communications Inc.
7545 3275 352 190 TPG Telecom Limited
4766 3151 11142 1117 Korea Telecom
17974 2912 914 96 PT Telekomunikasi Indonesia
39891 2708 143 10 SaudiNet, Saudi Telecom Compa
9829 2446 1457 446 National Internet Backbone
20940 2425 933 1761 Akamai International B.V.
6389 2357 3687 42 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 3448 3314 Telmex Colombia S.A.
22773 3345 3197 Cox Communications Inc.
7545 3275 3085 TPG Telecom Limited
17974 2912 2816 PT Telekomunikasi Indonesia
39891 2708 2698 SaudiNet, Saudi Telecom Compa
6389 2357 2315 BellSouth.net Inc.
4766 3151 2034 Korea Telecom
9829 2446 2000 National Internet Backbone
18566 2209 1933 MegaPath Corporation
4755 2100 1855 TATA Communications formerly
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
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
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
5.100.241.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 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<<
41.73.3.0/24 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 /14:1028 /15:1759 /16:12962 /17:7554 /18:12732
/19:25789 /20:38145 /21:40033 /22:65050 /23:56554 /24:324329
/25:552 /26:593 /27:410 /28:45 /29:32 /30:14
/31:1 /32:30
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2708 SaudiNet, Saudi Telecom Compa
22773 2525 3345 Cox Communications Inc.
18566 2111 2209 MegaPath Corporation
30036 1551 1737 Mediacom Communications Corp
6389 1499 2357 BellSouth.net Inc.
6983 1340 1691 EarthLink, Inc.
10620 1333 3448 Telmex Colombia S.A.
34984 1247 1962 TELLCOM ILETISIM HIZMETLERI A
11492 1175 1270 CABLE ONE, INC.
6849 976 1158 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1650 2:740 4:20 5:2030 6:28 8:941
12:1781 13:38 14:1661 15:45 16:2 17:75
18:20 20:48 23:1443 24:1804 27:2256 31:1757
32:54 33:2 34:2 35:5 36:257 37:2258
38:1184 39:24 40:87 41:2811 42:387 43:1694
44:41 45:1775 46:2469 47:72 49:1132 50:841
51:8 52:143 54:198 55:3 56:6 57:45
58:1535 59:868 60:569 61:1821 62:1475 63:1915
64:4466 65:2164 66:4330 67:2163 68:1102 69:3272
70:1048 71:470 72:1982 74:2550 75:340 76:413
77:1329 78:1267 79:843 80:1333 81:1358 82:938
83:684 84:803 85:1593 86:469 87:1015 88:561
89:1947 90:168 91:6048 92:859 93:2315 94:2316
95:2311 96:465 97:357 98:955 99:45 100:70
101:1024 103:10210 104:2263 105:153 106:392 107:1085
108:668 109:2125 110:1248 111:1649 112:958 113:1138
114:1036 115:1697 116:1542 117:1420 118:2139 119:1576
120:518 121:1169 122:2221 123:2004 124:1616 125:1756
128:716 129:380 130:411 131:1306 132:625 133:174
134:448 135:123 136:370 137:332 138:1717 139:224
140:250 141:466 142:640 143:877 144:605 145:162
146:850 147:678 148:1461 149:494 150:654 151:766
152:606 153:275 154:587 155:947 156:491 157:473
158:345 159:1099 160:459 161:742 162:2304 163:547
164:750 165:1038 166:314 167:1104 168:1689 169:632
170:1581 171:265 172:530 173:1676 174:723 175:903
176:1672 177:4044 178:2239 179:1126 180:2063 181:1710
182:1924 183:677 184:790 185:6077 186:3051 187:2082
188:2149 189:1741 190:7655 191:1224 192:8935 193:5729
194:4363 195:3767 196:1704 197:1130 198:5517 199:5639
200:6961 201:3708 202:10113 203:9627 204:4643 205:2687
206:2986 207:3074 208:4064 209:3788 210:3948 211:2039
212:2636 213:2188 214:832 215:72 216:5746 217:1932
218:764 219:566 220:1681 221:857 222:663 223:961
End of report
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