[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 14 18:12:59 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 15 Aug, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 555591
Prefixes after maximum aggregation (per Origin AS): 209897
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 271515
Total ASes present in the Internet Routing Table: 51157
Prefixes per ASN: 10.86
Origin-only ASes present in the Internet Routing Table: 36687
Origin ASes announcing only one prefix: 16138
Transit ASes present in the Internet Routing Table: 6349
Transit-only ASes present in the Internet Routing Table: 171
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: 1137
Unregistered ASNs in the Routing Table: 417
Number of 32-bit ASNs allocated by the RIRs: 10589
Number of 32-bit ASNs visible in the Routing Table: 8121
Prefixes from 32-bit ASNs in the Routing Table: 30113
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 469
Number of addresses announced to Internet: 2791842272
Equivalent to 166 /8s, 104 /16s and 33 /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: 185606
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 137009
Total APNIC prefixes after maximum aggregation: 39843
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 144204
Unique aggregates announced from the APNIC address blocks: 59017
APNIC Region origin ASes present in the Internet Routing Table: 5075
APNIC Prefixes per ASN: 28.41
APNIC Region origin ASes announcing only one prefix: 1195
APNIC Region transit ASes present in the Internet Routing Table: 892
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: 1594
Number of APNIC addresses announced to Internet: 750617152
Equivalent to 44 /8s, 189 /16s and 130 /24s
Percentage of available APNIC address space announced: 87.7
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: 180583
Total ARIN prefixes after maximum aggregation: 88197
ARIN Deaggregation factor: 2.05
Prefixes being announced from the ARIN address blocks: 183340
Unique aggregates announced from the ARIN address blocks: 85722
ARIN Region origin ASes present in the Internet Routing Table: 16588
ARIN Prefixes per ASN: 11.05
ARIN Region origin ASes announcing only one prefix: 6063
ARIN Region transit ASes present in the Internet Routing Table: 1739
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 601
Number of ARIN addresses announced to Internet: 1103720224
Equivalent to 65 /8s, 201 /16s and 111 /24s
Percentage of available ARIN address space announced: 58.4
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: 134477
Total RIPE prefixes after maximum aggregation: 67196
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 141153
Unique aggregates announced from the RIPE address blocks: 87697
RIPE Region origin ASes present in the Internet Routing Table: 17968
RIPE Prefixes per ASN: 7.86
RIPE Region origin ASes announcing only one prefix: 8068
RIPE Region transit ASes present in the Internet Routing Table: 2967
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 40
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3939
Number of RIPE addresses announced to Internet: 699098752
Equivalent to 41 /8s, 171 /16s and 102 /24s
Percentage of available RIPE address space announced: 101.6
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: 60885
Total LACNIC prefixes after maximum aggregation: 11560
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 72180
Unique aggregates announced from the LACNIC address blocks: 33385
LACNIC Region origin ASes present in the Internet Routing Table: 2463
LACNIC Prefixes per ASN: 29.31
LACNIC Region origin ASes announcing only one prefix: 616
LACNIC Region transit ASes present in the Internet Routing Table: 510
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1848
Number of LACNIC addresses announced to Internet: 168753920
Equivalent to 10 /8s, 14 /16s and 251 /24s
Percentage of available LACNIC address space announced: 100.6
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: 12336
Total AfriNIC prefixes after maximum aggregation: 3053
AfriNIC Deaggregation factor: 4.04
Prefixes being announced from the AfriNIC address blocks: 14245
Unique aggregates announced from the AfriNIC address blocks: 5286
AfriNIC Region origin ASes present in the Internet Routing Table: 739
AfriNIC Prefixes per ASN: 19.28
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 162
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 139
Number of AfriNIC addresses announced to Internet: 69037056
Equivalent to 4 /8s, 29 /16s and 108 /24s
Percentage of available AfriNIC address space announced: 68.6
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
4766 3011 11302 988 Korea Telecom
7545 2766 339 136 TPG Telecom Limited
17974 2706 904 80 PT Telekomunikasi Indonesia
4755 2031 426 225 TATA Communications formerly
4538 1950 4190 71 China Education and Research
9829 1863 1372 196 National Internet Backbone
9808 1577 8639 18 Guangdong Mobile Communicatio
4808 1524 2252 471 CNCGROUP IP network China169
9583 1523 120 572 Sify Limited
9498 1376 335 109 BHARTI Airtel Ltd.
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 3181 2961 140 Cox Communications Inc.
6389 2715 3688 51 BellSouth.net Inc.
3356 2563 10710 512 Level 3 Communications, Inc.
18566 2114 386 244 MegaPath Corporation
20115 1874 1853 405 Charter Communications
6983 1740 851 243 EarthLink, Inc.
4323 1589 1005 411 tw telecom holdings, inc.
30036 1573 319 458 Mediacom Communications Corp
701 1409 11393 687 MCI Communications Services,
22561 1373 415 256 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 2069 817 1498 Akamai International B.V.
34984 2031 305 379 TELLCOM ILETISIM HIZMETLERI A
6849 1207 355 21 JSC "Ukrtelecom"
13188 1068 97 77 TOV "Bank-Inform"
31148 1055 46 24 Freenet Ltd.
8551 996 376 52 Bezeq International-Ltd
12479 978 933 77 France Telecom Espana SA
8402 948 544 15 OJSC "Vimpelcom"
6830 918 2696 471 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 3342 539 146 Telmex Colombia S.A.
28573 2282 2171 119 NET Serviços de Comunicação S
8151 1685 3261 486 Uninet S.A. de C.V.
7303 1560 931 240 Telecom Argentina S.A.
6147 1447 374 30 Telefonica del Peru S.A.A.
6503 1251 421 55 Axtel, S.A.B. de C.V.
26615 1075 2325 35 Tim Celular S.A.
7738 996 1882 41 Telemar Norte Leste S.A.
3816 947 430 162 COLOMBIA TELECOMUNICACIONES S
11830 922 364 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 903 280 26 Link Egypt (Link.NET)
8452 857 1470 14 TE-AS
36903 512 258 99 Office National des Postes et
36992 442 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 308 146 12 Vodafone Data
3741 252 857 208 Internet Solutions
29571 248 21 13 Cote d'Ivoire Telecom
37054 211 20 7 Data Telecom Service
36947 183 807 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 3342 539 146 Telmex Colombia S.A.
22773 3181 2961 140 Cox Communications Inc.
4766 3011 11302 988 Korea Telecom
7545 2766 339 136 TPG Telecom Limited
6389 2715 3688 51 BellSouth.net Inc.
17974 2706 904 80 PT Telekomunikasi Indonesia
3356 2563 10710 512 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2282 2171 119 NET Serviços de Comunicação S
18566 2114 386 244 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 3181 3041 Cox Communications Inc.
6389 2715 2664 BellSouth.net Inc.
7545 2766 2630 TPG Telecom Limited
17974 2706 2626 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2282 2163 NET Serviços de Comunicação S
3356 2563 2051 Level 3 Communications, Inc.
4766 3011 2023 Korea Telecom
4538 1950 1879 China Education and Research
18566 2114 1870 MegaPath Corporation
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
14.192.56.0/22 23456 32bit Transition AS
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
27.54.116.0/22 23456 32bit Transition AS
27.96.88.0/22 23456 32bit Transition AS
27.100.7.0/24 56096 >>UNKNOWN<<
27.100.24.0/22 23456 32bit Transition AS
27.109.124.0/22 23456 32bit Transition AS
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 /12:263
/13:505 /14:1002 /15:1731 /16:12890 /17:7251 /18:12377
/19:25530 /20:36031 /21:38782 /22:61043 /23:53092 /24:301881
/25:1121 /26:1155 /27:716 /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 2373 3181 Cox Communications Inc.
18566 2039 2114 MegaPath Corporation
6389 1610 2715 BellSouth.net Inc.
30036 1394 1573 Mediacom Communications Corp
6983 1385 1740 EarthLink, Inc.
34984 1340 2031 TELLCOM ILETISIM HIZMETLERI A
10620 1209 3342 Telmex Colombia S.A.
11492 1112 1196 CABLE ONE, INC.
22561 1046 1373 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1540 2:691 4:97 5:1851 6:25 8:1384
12:1806 13:14 14:1403 15:17 16:2 17:42
18:22 20:49 23:1308 24:1747 27:2029 31:1575
32:37 33:2 34:4 35:3 36:158 37:2002
38:1037 39:14 40:70 41:2804 42:302 43:1416
44:31 45:953 46:2358 47:52 49:930 50:789
52:15 54:86 55:5 56:6 57:42 58:1350
59:718 60:480 61:1753 62:1370 63:1904 64:4428
65:2251 66:4036 67:2062 68:1071 69:3240 70:1029
71:449 72:1971 74:2587 75:353 76:390 77:1322
78:1127 79:812 80:1358 81:1333 82:858 83:719
84:783 85:1351 86:450 87:1041 88:538 89:1945
90:147 91:5938 92:846 93:2276 94:2080 95:2192
96:413 97:347 98:987 99:56 100:75 101:851
103:8025 104:1988 105:71 106:347 107:1051 108:624
109:2126 110:1191 111:1455 112:811 113:1101 114:846
115:1296 116:1452 117:1075 118:1885 119:1454 120:455
121:1087 122:2160 123:1842 124:1525 125:1618 128:651
129:393 130:429 131:1245 132:527 133:171 134:410
135:102 136:351 137:328 138:1108 139:145 140:241
141:492 142:668 143:532 144:543 145:126 146:795
147:589 148:1261 149:429 150:570 151:801 152:528
153:253 154:495 155:869 156:427 157:421 158:358
159:1033 160:407 161:664 162:2020 163:456 164:701
165:709 166:300 167:856 168:1247 169:188 170:1469
171:253 172:245 173:1514 174:719 175:696 176:1423
177:3876 178:2160 179:977 180:1937 181:1662 182:1792
183:632 184:763 185:4066 186:2908 187:1839 188:2068
189:1594 190:7811 191:1113 192:8615 193:5654 194:4220
195:3649 196:1993 197:1054 198:5620 199:5508 200:6677
201:3281 202:9507 203:9160 204:4684 205:2851 206:3024
207:2988 208:4000 209:3918 210:3597 211:1919 212:2526
213:2258 214:841 215:74 216:5746 217:1833 218:735
219:462 220:1542 221:809 222:473 223:817
End of report
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