[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 13 18:09:01 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 14 May, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 593720
Prefixes after maximum aggregation (per Origin AS): 217775
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 290742
Total ASes present in the Internet Routing Table: 53727
Prefixes per ASN: 11.05
Origin-only ASes present in the Internet Routing Table: 36600
Origin ASes announcing only one prefix: 15688
Transit ASes present in the Internet Routing Table: 6437
Transit-only ASes present in the Internet Routing Table: 171
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 39
Max AS path prepend of ASN ( 40285) 33
Prefixes from unregistered ASNs in the Routing Table: 1414
Unregistered ASNs in the Routing Table: 444
Number of 32-bit ASNs allocated by the RIRs: 13845
Number of 32-bit ASNs visible in the Routing Table: 10690
Prefixes from 32-bit ASNs in the Routing Table: 42050
Number of bogon 32-bit ASNs visible in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 386
Number of addresses announced to Internet: 2811463492
Equivalent to 167 /8s, 147 /16s and 135 /24s
Percentage of available address space announced: 75.9
Percentage of allocated address space announced: 75.9
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: 193775
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 151912
Total APNIC prefixes after maximum aggregation: 42356
APNIC Deaggregation factor: 3.59
Prefixes being announced from the APNIC address blocks: 162829
Unique aggregates announced from the APNIC address blocks: 66401
APNIC Region origin ASes present in the Internet Routing Table: 5177
APNIC Prefixes per ASN: 31.45
APNIC Region origin ASes announcing only one prefix: 1181
APNIC Region transit ASes present in the Internet Routing Table: 913
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2070
Number of APNIC addresses announced to Internet: 755234628
Equivalent to 45 /8s, 3 /16s and 247 /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: 181169
Total ARIN prefixes after maximum aggregation: 89627
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 186526
Unique aggregates announced from the ARIN address blocks: 88714
ARIN Region origin ASes present in the Internet Routing Table: 16363
ARIN Prefixes per ASN: 11.40
ARIN Region origin ASes announcing only one prefix: 5835
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: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1199
Number of ARIN addresses announced to Internet: 1101775680
Equivalent to 65 /8s, 171 /16s and 195 /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, 393216-397212
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: 142528
Total RIPE prefixes after maximum aggregation: 70293
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 151781
Unique aggregates announced from the RIPE address blocks: 93519
RIPE Region origin ASes present in the Internet Routing Table: 18087
RIPE Prefixes per ASN: 8.39
RIPE Region origin ASes announcing only one prefix: 7914
RIPE Region transit ASes present in the Internet Routing Table: 3016
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4740
Number of RIPE addresses announced to Internet: 704636544
Equivalent to 41 /8s, 255 /16s and 230 /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: 61743
Total LACNIC prefixes after maximum aggregation: 12246
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 76062
Unique aggregates announced from the LACNIC address blocks: 35972
LACNIC Region origin ASes present in the Internet Routing Table: 2475
LACNIC Prefixes per ASN: 30.73
LACNIC Region origin ASes announcing only one prefix: 576
LACNIC Region transit ASes present in the Internet Routing Table: 558
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: 2469
Number of LACNIC addresses announced to Internet: 170943808
Equivalent to 10 /8s, 48 /16s and 101 /24s
Percentage of available LACNIC address space announced: 101.9
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: 14214
Total AfriNIC prefixes after maximum aggregation: 3215
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 16136
Unique aggregates announced from the AfriNIC address blocks: 5791
AfriNIC Region origin ASes present in the Internet Routing Table: 738
AfriNIC Prefixes per ASN: 21.86
AfriNIC Region origin ASes announcing only one prefix: 182
AfriNIC Region transit ASes present in the Internet Routing Table: 168
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 212
Number of AfriNIC addresses announced to Internet: 78489600
Equivalent to 4 /8s, 173 /16s and 168 /24s
Percentage of available AfriNIC address space announced: 78.0
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 5558 4192 76 China Education and Research
7545 3307 354 213 TPG Telecom Limited
4766 3167 11145 1123 Korea Telecom
17974 2937 914 96 PT Telekomunikasi Indonesia
9829 2469 1467 464 National Internet Backbone
4755 2095 432 243 TATA Communications formerly
9808 1928 8717 30 Guangdong Mobile Communicatio
4808 1659 2299 551 CNCGROUP IP network China169
9583 1512 122 562 Sify Limited
38197 1501 93 215 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 3250 2947 137 Cox Communications Inc.
6389 2301 3671 41 BellSouth.net Inc.
18566 2204 394 275 MegaPath Corporation
20115 1920 1937 403 Charter Communications
30036 1722 342 356 Mediacom Communications Corp
6983 1689 849 232 EarthLink, Inc.
209 1613 4680 1267 Qwest Communications Company,
4323 1519 985 376 tw telecom holdings, inc.
16625 1314 484 694 Akamai Technologies, Inc.
701 1296 10718 704 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 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2544 981 1835 Akamai International B.V.
34984 1964 326 357 TELLCOM ILETISIM HIZMETLERI A
8551 1228 376 55 Bezeq International-Ltd
12479 1202 996 88 France Telecom Espana SA
6849 1148 355 21 JSC "Ukrtelecom"
13188 1078 98 65 TOV "Bank-Inform"
8402 1028 544 15 OJSC "Vimpelcom"
31148 1026 47 45 Freenet Ltd.
9198 939 352 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 3479 542 134 Telmex Colombia S.A.
8151 2243 3406 563 Uninet S.A. de C.V.
7303 1511 940 234 Telecom Argentina S.A.
11830 1481 368 52 Instituto Costarricense de El
6503 1475 437 55 Axtel, S.A.B. de C.V.
6147 1158 377 27 Telefonica del Peru S.A.A.
26615 1016 2325 34 Tim Celular S.A.
3816 997 478 186 COLOMBIA TELECOMUNICACIONES S
7738 994 1882 40 Telemar Norte Leste S.A.
11172 905 125 77 Alestra, S. de R.L. de C.V.
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 1261 402 45 Link Egypt (Link.NET)
37611 648 48 2 Afrihost-Brevis Computer Serv
36903 625 314 106 Office National des Postes et
36992 511 1357 26 ETISALAT MISR
8452 505 1471 15 TE-AS
37492 395 234 68 Orange Tunisie
24835 329 402 15 Vodafone Data
29571 301 37 13 Cote d'Ivoire Telecom
2018 257 327 74 TENET (The UNINET Project)
36947 240 807 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 5558 4192 76 China Education and Research
10620 3479 542 134 Telmex Colombia S.A.
7545 3307 354 213 TPG Telecom Limited
22773 3250 2947 137 Cox Communications Inc.
4766 3167 11145 1123 Korea Telecom
17974 2937 914 96 PT Telekomunikasi Indonesia
39891 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2544 981 1835 Akamai International B.V.
9829 2469 1467 464 National Internet Backbone
6389 2301 3671 41 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 3479 3345 Telmex Colombia S.A.
22773 3250 3113 Cox Communications Inc.
7545 3307 3094 TPG Telecom Limited
39891 2901 2890 SaudiNet, Saudi Telecom Compa
17974 2937 2841 PT Telekomunikasi Indonesia
6389 2301 2260 BellSouth.net Inc.
4766 3167 2044 Korea Telecom
9829 2469 2005 National Internet Backbone
18566 2204 1929 MegaPath Corporation
9808 1928 1898 Guangdong Mobile Communicatio
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
27205 UNALLOCATED 8.38.20.0/24 32787 Prolexic Technologie
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.190.0.0/24 63393 BOOM NET
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
27.100.7.0/24 56096 >>UNKNOWN<<
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<<
41.73.5.0/24 37004 >>UNKNOWN<<
41.73.6.0/24 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
/13:509 /14:1037 /15:1761 /16:13022 /17:7635 /18:12747
/19:25946 /20:37976 /21:39776 /22:65656 /23:57370 /24:328155
/25:554 /26:597 /27:421 /28:46 /29:32 /30:14
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2901 SaudiNet, Saudi Telecom Compa
22773 2478 3250 Cox Communications Inc.
18566 2106 2204 MegaPath Corporation
30036 1536 1722 Mediacom Communications Corp
6389 1477 2301 BellSouth.net Inc.
10620 1370 3479 Telmex Colombia S.A.
6983 1338 1689 EarthLink, Inc.
34984 1248 1964 TELLCOM ILETISIM HIZMETLERI A
11492 1193 1289 CABLE ONE, INC.
6849 968 1148 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1578 2:728 4:21 5:2070 6:28 8:955
12:1776 13:39 14:1684 15:45 16:2 17:84
18:89 20:48 23:1593 24:1772 27:2273 31:1765
32:59 33:2 34:2 35:5 36:303 37:2297
38:1217 39:28 40:91 41:2849 42:395 43:1757
44:42 45:1843 46:2518 47:79 49:1166 50:872
51:34 52:181 54:329 55:6 56:6 57:42
58:1541 59:866 60:347 61:1822 62:1477 63:1919
64:4441 65:2155 66:4246 67:2153 68:1088 69:3284
70:1101 71:469 72:1990 74:2543 75:344 76:348
77:1369 78:1264 79:839 80:1267 81:1348 82:952
83:697 84:815 85:1581 86:474 87:1052 88:561
89:1995 90:174 91:6063 92:899 93:2334 94:2338
95:2313 96:518 97:358 98:935 99:46 100:74
101:1046 103:10738 104:2466 105:123 106:398 107:1166
108:669 109:2187 110:1249 111:1654 112:989 113:1143
114:1046 115:1576 116:1579 117:1428 118:2050 119:1617
120:932 121:1176 122:2160 123:2008 124:1568 125:1717
128:690 129:402 130:407 131:1327 132:636 133:176
134:453 135:126 136:374 137:352 138:1716 139:261
140:543 141:458 142:641 143:923 144:694 145:157
146:867 147:637 148:1473 149:505 150:647 151:877
152:579 153:281 154:624 155:944 156:493 157:415
158:355 159:1120 160:480 161:708 162:2332 163:560
164:900 165:1056 166:318 167:1148 168:1804 169:660
170:1569 171:263 172:553 173:1645 174:742 175:737
176:1738 177:3971 178:2209 179:1157 180:2055 181:1776
182:1894 183:949 184:808 185:6373 186:2996 187:2134
188:2127 189:1723 190:7731 191:1249 192:8947 193:5736
194:4377 195:3767 196:1695 197:1038 198:5558 199:5713
200:6967 201:3725 202:10118 203:9635 204:4519 205:2727
206:2978 207:3122 208:4053 209:3840 210:3912 211:2053
212:2695 213:2232 214:852 215:71 216:5787 217:1941
218:792 219:593 220:1680 221:870 222:664 223:1222
End of report
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