Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 28 18:13:28 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,
CaribNOG and the RIPE Routing Working Group.
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 29 Aug, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 556877
Prefixes after maximum aggregation (per Origin AS): 210209
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 272891
Total ASes present in the Internet Routing Table: 51281
Prefixes per ASN: 10.86
Origin-only ASes present in the Internet Routing Table: 36680
Origin ASes announcing only one prefix: 16140
Transit ASes present in the Internet Routing Table: 6362
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: 45
Max AS path prepend of ASN ( 55644) 41
Prefixes from unregistered ASNs in the Routing Table: 1164
Unregistered ASNs in the Routing Table: 426
Number of 32-bit ASNs allocated by the RIRs: 10780
Number of 32-bit ASNs visible in the Routing Table: 8239
Prefixes from 32-bit ASNs in the Routing Table: 30881
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 417
Number of addresses announced to Internet: 2792002752
Equivalent to 166 /8s, 106 /16s and 148 /24s
Percentage of available address space announced: 75.4
Percentage of allocated address space announced: 75.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.6
Total number of prefixes smaller than registry allocations: 185757
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 137357
Total APNIC prefixes after maximum aggregation: 39703
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 144673
Unique aggregates announced from the APNIC address blocks: 59491
APNIC Region origin ASes present in the Internet Routing Table: 5079
APNIC Prefixes per ASN: 28.48
APNIC Region origin ASes announcing only one prefix: 1207
APNIC Region transit ASes present in the Internet Routing Table: 893
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 45
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1600
Number of APNIC addresses announced to Internet: 751999104
Equivalent to 44 /8s, 210 /16s and 152 /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: 180309
Total ARIN prefixes after maximum aggregation: 88398
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 183221
Unique aggregates announced from the ARIN address blocks: 86088
ARIN Region origin ASes present in the Internet Routing Table: 16593
ARIN Prefixes per ASN: 11.04
ARIN Region origin ASes announcing only one prefix: 6070
ARIN Region transit ASes present in the Internet Routing Table: 1735
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 33
Number of ARIN region 32-bit ASNs visible in the Routing Table: 630
Number of ARIN addresses announced to Internet: 1102416576
Equivalent to 65 /8s, 181 /16s and 138 /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: 134874
Total RIPE prefixes after maximum aggregation: 67372
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 141751
Unique aggregates announced from the RIPE address blocks: 88005
RIPE Region origin ASes present in the Internet Routing Table: 17969
RIPE Prefixes per ASN: 7.89
RIPE Region origin ASes announcing only one prefix: 8057
RIPE Region transit ASes present in the Internet Routing Table: 2969
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3976
Number of RIPE addresses announced to Internet: 699396736
Equivalent to 41 /8s, 175 /16s and 242 /24s
Percentage of available RIPE address space announced: 101.7
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: 60914
Total LACNIC prefixes after maximum aggregation: 11602
LACNIC Deaggregation factor: 5.25
Prefixes being announced from the LACNIC address blocks: 72516
Unique aggregates announced from the LACNIC address blocks: 33623
LACNIC Region origin ASes present in the Internet Routing Table: 2462
LACNIC Prefixes per ASN: 29.45
LACNIC Region origin ASes announcing only one prefix: 611
LACNIC Region transit ASes present in the Internet Routing Table: 525
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1888
Number of LACNIC addresses announced to Internet: 168599552
Equivalent to 10 /8s, 12 /16s and 160 /24s
Percentage of available LACNIC address space announced: 100.5
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: 12356
Total AfriNIC prefixes after maximum aggregation: 3088
AfriNIC Deaggregation factor: 4.00
Prefixes being announced from the AfriNIC address blocks: 14299
Unique aggregates announced from the AfriNIC address blocks: 5328
AfriNIC Region origin ASes present in the Internet Routing Table: 739
AfriNIC Prefixes per ASN: 19.35
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 164
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 145
Number of AfriNIC addresses announced to Internet: 69168384
Equivalent to 4 /8s, 31 /16s and 109 /24s
Percentage of available AfriNIC address space announced: 68.7
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
4766 3010 11175 987 Korea Telecom
7545 2763 339 134 TPG Telecom Limited
17974 2703 904 80 PT Telekomunikasi Indonesia
4755 2036 426 223 TATA Communications formerly
4538 1949 4190 71 China Education and Research
9829 1871 1373 198 National Internet Backbone
9808 1585 8639 18 Guangdong Mobile Communicatio
4808 1529 2254 474 CNCGROUP IP network China169
9583 1526 121 570 Sify Limited
7552 1400 1084 9 Viettel Corporation
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 3165 2960 139 Cox Communications Inc.
6389 2696 3688 51 BellSouth.net Inc.
3356 2530 10709 498 Level 3 Communications, Inc.
18566 2147 390 255 MegaPath Corporation
20115 1877 1856 393 Charter Communications
6983 1738 851 243 EarthLink, Inc.
4323 1589 1006 410 tw telecom holdings, inc.
30036 1575 319 452 Mediacom Communications Corp
701 1404 11392 684 MCI Communications Services,
22561 1377 415 258 CenturyTel Internet Holdings,
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 2472 128 6 SaudiNet, Saudi Telecom Compa
20940 2081 820 1513 Akamai International B.V.
34984 2026 306 380 TELLCOM ILETISIM HIZMETLERI A
6849 1207 355 21 JSC "Ukrtelecom"
13188 1069 97 77 TOV "Bank-Inform"
31148 1048 46 23 Freenet Ltd.
8551 995 376 52 Bezeq International-Ltd
12479 984 933 77 France Telecom Espana SA
6830 915 2678 467 Liberty Global Operations B.V
8402 890 544 15 OJSC "Vimpelcom"
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 3343 538 162 Telmex Colombia S.A.
28573 2298 2169 136 NET Serviços de Comunicação S
8151 1690 3268 478 Uninet S.A. de C.V.
7303 1558 932 238 Telecom Argentina S.A.
6147 1438 374 30 Telefonica del Peru S.A.A.
6503 1254 425 56 Axtel, S.A.B. de C.V.
26615 1095 2325 35 Tim Celular S.A.
7738 996 1882 41 Telemar Norte Leste S.A.
3816 953 436 163 COLOMBIA TELECOMUNICACIONES S
11830 919 364 15 Instituto Costarricense de El
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 919 281 32 Link Egypt (Link.NET)
8452 897 1470 14 TE-AS
36903 512 258 99 Office National des Postes et
36992 439 1229 32 ETISALAT MISR
37492 315 191 72 Orange Tunisie
24835 308 146 12 Vodafone Data
3741 252 857 208 Internet Solutions
29571 247 21 13 Cote d'Ivoire Telecom
37054 204 20 7 Data Telecom Service
36947 185 807 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
10620 3343 538 162 Telmex Colombia S.A.
22773 3165 2960 139 Cox Communications Inc.
4766 3010 11175 987 Korea Telecom
7545 2763 339 134 TPG Telecom Limited
17974 2703 904 80 PT Telekomunikasi Indonesia
6389 2696 3688 51 BellSouth.net Inc.
3356 2530 10709 498 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2298 2169 136 NET Serviços de Comunicação S
18566 2147 390 255 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3165 3026 Cox Communications Inc.
6389 2696 2645 BellSouth.net Inc.
7545 2763 2629 TPG Telecom Limited
17974 2703 2623 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2298 2162 NET Serviços de Comunicação S
3356 2530 2032 Level 3 Communications, Inc.
4766 3010 2023 Korea Telecom
18566 2147 1892 MegaPath Corporation
4538 1949 1878 China Education and Research
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 2828 XO Communications
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 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
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
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.1.0/24 9730 Bharti Telesonic Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
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
36.50.0.0/16 23456 32bit Transition AS
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 /8:17 /9:13 /10:36 /11:96 /12:261
/13:500 /14:1001 /15:1735 /16:12890 /17:7217 /18:12390
/19:25559 /20:36137 /21:38902 /22:61214 /23:53315 /24:303298
/25:848 /26:931 /27:458 /28:14 /29:14 /30:9
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2380 3165 Cox Communications Inc.
18566 2062 2147 MegaPath Corporation
6389 1608 2696 BellSouth.net Inc.
30036 1395 1575 Mediacom Communications Corp
6983 1385 1738 EarthLink, Inc.
34984 1346 2026 TELLCOM ILETISIM HIZMETLERI A
10620 1214 3343 Telmex Colombia S.A.
11492 1125 1208 CABLE ONE, INC.
22561 1050 1377 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1563 2:688 4:97 5:1878 6:25 8:1397
12:1811 13:12 14:1416 15:16 16:2 17:48
18:22 20:49 23:1262 24:1754 27:2046 31:1586
32:37 33:2 34:4 35:3 36:163 37:2034
38:1059 39:14 40:70 41:2782 42:332 43:1481
44:30 45:1042 46:2356 47:53 49:934 50:787
52:22 54:86 55:6 56:27 57:42 58:1365
59:716 60:485 61:1758 62:1383 63:1905 64:4431
65:2250 66:3998 67:2060 68:1068 69:3229 70:1032
71:447 72:1974 74:2597 75:356 76:397 77:1350
78:1125 79:811 80:1349 81:1349 82:872 83:722
84:784 85:1387 86:448 87:1036 88:535 89:1939
90:166 91:5937 92:845 93:2281 94:2062 95:2165
96:420 97:348 98:975 99:55 100:74 101:844
103:8127 104:2016 105:72 106:348 107:1070 108:622
109:2142 110:1196 111:1467 112:822 113:1112 114:851
115:1329 116:1467 117:1097 118:1935 119:1470 120:451
121:1090 122:2170 123:1845 124:1517 125:1674 128:593
129:395 130:431 131:1251 132:494 133:165 134:416
135:103 136:333 137:317 138:1190 139:148 140:251
141:435 142:679 143:546 144:547 145:126 146:793
147:585 148:1254 149:430 150:593 151:798 152:537
153:254 154:506 155:873 156:421 157:420 158:344
159:1033 160:413 161:676 162:2046 163:455 164:692
165:803 166:301 167:862 168:1252 169:192 170:1475
171:249 172:244 173:1506 174:720 175:702 176:1441
177:3958 178:2179 179:1006 180:1949 181:1665 182:1802
183:633 184:748 185:4181 186:2962 187:1854 188:2087
189:1615 190:7794 191:1138 192:8559 193:5670 194:4229
195:3645 196:1988 197:1065 198:5495 199:5516 200:6701
201:3304 202:9528 203:9184 204:4676 205:2894 206:3091
207:3032 208:4013 209:3908 210:3600 211:1929 212:2555
213:2236 214:845 215:74 216:5757 217:1830 218:732
219:465 220:1555 221:810 222:473 223:820
End of report
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