[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 4 18:11:11 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 05 Mar, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 585390
Prefixes after maximum aggregation (per Origin AS): 215223
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 285498
Total ASes present in the Internet Routing Table: 52972
Prefixes per ASN: 11.05
Origin-only ASes present in the Internet Routing Table: 36579
Origin ASes announcing only one prefix: 15795
Transit ASes present in the Internet Routing Table: 6399
Transit-only ASes present in the Internet Routing Table: 162
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: 997
Unregistered ASNs in the Routing Table: 359
Number of 32-bit ASNs allocated by the RIRs: 12926
Number of 32-bit ASNs visible in the Routing Table: 9994
Prefixes from 32-bit ASNs in the Routing Table: 39063
Number of bogon 32-bit ASNs visible in the Routing Table: 22
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 364
Number of addresses announced to Internet: 2807592132
Equivalent to 167 /8s, 88 /16s and 116 /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: 98.0
Total number of prefixes smaller than registry allocations: 191865
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 150343
Total APNIC prefixes after maximum aggregation: 41580
APNIC Deaggregation factor: 3.62
Prefixes being announced from the APNIC address blocks: 160214
Unique aggregates announced from the APNIC address blocks: 64732
APNIC Region origin ASes present in the Internet Routing Table: 5145
APNIC Prefixes per ASN: 31.14
APNIC Region origin ASes announcing only one prefix: 1184
APNIC Region transit ASes present in the Internet Routing Table: 912
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1915
Number of APNIC addresses announced to Internet: 752492036
Equivalent to 44 /8s, 218 /16s and 30 /24s
Percentage of available APNIC address space announced: 87.9
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: 179712
Total ARIN prefixes after maximum aggregation: 88721
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 184673
Unique aggregates announced from the ARIN address blocks: 87571
ARIN Region origin ASes present in the Internet Routing Table: 16398
ARIN Prefixes per ASN: 11.26
ARIN Region origin ASes announcing only one prefix: 5891
ARIN Region transit ASes present in the Internet Routing Table: 1694
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: 1054
Number of ARIN addresses announced to Internet: 1102628160
Equivalent to 65 /8s, 184 /16s and 197 /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: 140677
Total RIPE prefixes after maximum aggregation: 69631
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 149220
Unique aggregates announced from the RIPE address blocks: 92148
RIPE Region origin ASes present in the Internet Routing Table: 18040
RIPE Prefixes per ASN: 8.27
RIPE Region origin ASes announcing only one prefix: 7948
RIPE Region transit ASes present in the Internet Routing Table: 2999
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: 4521
Number of RIPE addresses announced to Internet: 703167872
Equivalent to 41 /8s, 233 /16s and 125 /24s
Percentage of available RIPE address space announced: 102.2
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: 61403
Total LACNIC prefixes after maximum aggregation: 12097
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 75069
Unique aggregates announced from the LACNIC address blocks: 35085
LACNIC Region origin ASes present in the Internet Routing Table: 2466
LACNIC Prefixes per ASN: 30.44
LACNIC Region origin ASes announcing only one prefix: 582
LACNIC Region transit ASes present in the Internet Routing Table: 552
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2315
Number of LACNIC addresses announced to Internet: 170756608
Equivalent to 10 /8s, 45 /16s and 138 /24s
Percentage of available LACNIC address space announced: 101.8
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: 14081
Total AfriNIC prefixes after maximum aggregation: 3153
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 15850
Unique aggregates announced from the AfriNIC address blocks: 5637
AfriNIC Region origin ASes present in the Internet Routing Table: 741
AfriNIC Prefixes per ASN: 21.39
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 170
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 189
Number of AfriNIC addresses announced to Internet: 78156544
Equivalent to 4 /8s, 168 /16s and 147 /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 5593 4192 76 China Education and Research
7545 3204 351 184 TPG Telecom Limited
4766 3110 11139 1099 Korea Telecom
17974 2902 914 96 PT Telekomunikasi Indonesia
9829 2384 1449 424 National Internet Backbone
4755 2084 431 238 TATA Communications formerly
9808 1850 8717 30 Guangdong Mobile Communicatio
45899 1698 1096 171 VNNIC
4808 1641 2287 521 CNCGROUP IP network China169
9583 1519 121 561 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 3294 2948 145 Cox Communications Inc.
6389 2394 3687 42 BellSouth.net Inc.
18566 2211 394 276 MegaPath Corporation
20115 1914 1917 400 Charter Communications
30036 1719 341 258 Mediacom Communications Corp
6983 1691 849 233 EarthLink, Inc.
4323 1585 1004 392 tw telecom holdings, inc.
209 1506 4483 1213 Qwest Communications Company,
701 1392 11453 662 MCI Communications Services,
11492 1266 234 595 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 2515 135 9 SaudiNet, Saudi Telecom Compa
20940 2400 924 1721 Akamai International B.V.
34984 1948 322 415 TELLCOM ILETISIM HIZMETLERI A
8551 1230 376 54 Bezeq International-Ltd
6849 1179 355 21 JSC "Ukrtelecom"
12479 1142 980 86 France Telecom Espana SA
8402 1131 544 15 OJSC "Vimpelcom"
13188 1077 98 78 TOV "Bank-Inform"
31148 1041 47 41 Freenet Ltd.
9198 900 352 25 JSC Kazakhtelecom
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 3434 540 157 Telmex Colombia S.A.
8151 2171 3393 520 Uninet S.A. de C.V.
7303 1520 940 237 Telecom Argentina S.A.
11830 1442 366 25 Instituto Costarricense de El
6503 1432 437 55 Axtel, S.A.B. de C.V.
6147 1038 377 27 Telefonica del Peru S.A.A.
28573 995 2179 154 NET Serviços de Comunicação S
7738 994 1882 41 Telemar Norte Leste S.A.
26615 992 2325 34 Tim Celular S.A.
3816 988 478 185 COLOMBIA TELECOMUNICACIONES 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 1200 402 35 Link Egypt (Link.NET)
8452 965 1470 11 TE-AS
37611 630 48 2 Afrihost-Brevis Computer Serv
36903 584 294 104 Office National des Postes et
36992 504 1357 25 ETISALAT MISR
37492 368 216 66 Orange Tunisie
24835 284 148 10 Vodafone Data
29571 267 21 12 Cote d'Ivoire Telecom
2018 249 327 74 TENET (The UNINET Project)
3741 220 821 181 Internet Solutions
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 5593 4192 76 China Education and Research
10620 3434 540 157 Telmex Colombia S.A.
22773 3294 2948 145 Cox Communications Inc.
7545 3204 351 184 TPG Telecom Limited
4766 3110 11139 1099 Korea Telecom
17974 2902 914 96 PT Telekomunikasi Indonesia
39891 2515 135 9 SaudiNet, Saudi Telecom Compa
20940 2400 924 1721 Akamai International B.V.
6389 2394 3687 42 BellSouth.net Inc.
9829 2384 1449 424 National Internet Backbone
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 3434 3277 Telmex Colombia S.A.
22773 3294 3149 Cox Communications Inc.
7545 3204 3020 TPG Telecom Limited
17974 2902 2806 PT Telekomunikasi Indonesia
39891 2515 2506 SaudiNet, Saudi Telecom Compa
6389 2394 2352 BellSouth.net Inc.
4766 3110 2011 Korea Telecom
9829 2384 1960 National Internet Backbone
18566 2211 1935 MegaPath Corporation
4755 2084 1846 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
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
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
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<<
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<<
41.73.4.0/24 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
/13:515 /14:1028 /15:1761 /16:12975 /17:7514 /18:12608
/19:25651 /20:38075 /21:40110 /22:65185 /23:56178 /24:321744
/25:552 /26:585 /27:406 /28:18 /29:16 /30:13
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2476 3294 Cox Communications Inc.
39891 2472 2515 SaudiNet, Saudi Telecom Compa
18566 2113 2211 MegaPath Corporation
30036 1534 1719 Mediacom Communications Corp
6389 1521 2394 BellSouth.net Inc.
6983 1341 1691 EarthLink, Inc.
10620 1327 3434 Telmex Colombia S.A.
34984 1237 1948 TELLCOM ILETISIM HIZMETLERI A
11492 1176 1266 CABLE ONE, INC.
6849 997 1179 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1619 2:736 4:20 5:2101 6:26 8:916
12:1782 13:38 14:1678 15:35 16:2 17:68
18:20 20:48 23:1381 24:1745 27:2255 31:1703
32:54 33:2 34:2 35:4 36:237 37:2336
38:1175 39:26 40:87 41:2926 42:385 43:1672
44:41 45:1716 46:2423 47:69 49:1124 50:843
51:3 52:80 54:197 55:3 56:6 57:44
58:1512 59:857 60:566 61:1795 62:1432 63:1924
64:4457 65:2155 66:4057 67:2101 68:1101 69:3323
70:1041 71:466 72:1977 74:2540 75:356 76:432
77:1378 78:1291 79:827 80:1315 81:1363 82:911
83:676 84:792 85:1569 86:470 87:1047 88:571
89:1942 90:167 91:6045 92:854 93:2300 94:2363
95:2288 96:470 97:355 98:956 99:45 100:69
101:992 103:9868 104:2206 105:130 106:391 107:1145
108:653 109:2119 110:1258 111:1612 112:936 113:1278
114:1117 115:1688 116:1527 117:1418 118:2126 119:1573
120:511 121:1161 122:2231 123:2018 124:1595 125:1757
128:729 129:372 130:430 131:1273 132:600 133:171
134:448 135:122 136:352 137:332 138:1711 139:205
140:249 141:464 142:630 143:864 144:602 145:160
146:832 147:604 148:1456 149:473 150:660 151:820
152:603 153:270 154:537 155:899 156:487 157:440
158:344 159:1097 160:425 161:735 162:2290 163:529
164:727 165:1119 166:313 167:1062 168:1555 169:607
170:1504 171:273 172:467 173:1648 174:722 175:876
176:1509 177:4003 178:2222 179:1093 180:2107 181:1641
182:1949 183:686 184:794 185:5842 186:3039 187:2017
188:2096 189:1730 190:7606 191:1227 192:8910 193:5717
194:4366 195:3760 196:1630 197:1148 198:5516 199:5583
200:6853 201:3707 202:10132 203:9591 204:4623 205:2706
206:2980 207:3064 208:4057 209:3885 210:3964 211:2015
212:2665 213:2160 214:811 215:73 216:5724 217:1908
218:759 219:565 220:1665 221:851 222:678 223:935
End of report
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