[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 31 18:12:17 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 01 Aug, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 553519
Prefixes after maximum aggregation (per Origin AS): 209389
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 270136
Total ASes present in the Internet Routing Table: 51034
Prefixes per ASN: 10.85
Origin-only ASes present in the Internet Routing Table: 36679
Origin ASes announcing only one prefix: 16170
Transit ASes present in the Internet Routing Table: 6353
Transit-only ASes present in the Internet Routing Table: 174
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 39
Max AS path prepend of ASN ( 12486) 32
Prefixes from unregistered ASNs in the Routing Table: 1159
Unregistered ASNs in the Routing Table: 426
Number of 32-bit ASNs allocated by the RIRs: 10415
Number of 32-bit ASNs visible in the Routing Table: 8002
Prefixes from 32-bit ASNs in the Routing Table: 29602
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 410
Number of addresses announced to Internet: 2791199648
Equivalent to 166 /8s, 94 /16s and 83 /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: 185310
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 136680
Total APNIC prefixes after maximum aggregation: 39845
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 143686
Unique aggregates announced from the APNIC address blocks: 58429
APNIC Region origin ASes present in the Internet Routing Table: 5074
APNIC Prefixes per ASN: 28.32
APNIC Region origin ASes announcing only one prefix: 1198
APNIC Region transit ASes present in the Internet Routing Table: 884
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: 1571
Number of APNIC addresses announced to Internet: 751597504
Equivalent to 44 /8s, 204 /16s and 119 /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: 179814
Total ARIN prefixes after maximum aggregation: 87974
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 182558
Unique aggregates announced from the ARIN address blocks: 85393
ARIN Region origin ASes present in the Internet Routing Table: 16588
ARIN Prefixes per ASN: 11.01
ARIN Region origin ASes announcing only one prefix: 6080
ARIN Region transit ASes present in the Internet Routing Table: 1738
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: 578
Number of ARIN addresses announced to Internet: 1103165216
Equivalent to 65 /8s, 192 /16s and 247 /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: 134321
Total RIPE prefixes after maximum aggregation: 66885
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 140959
Unique aggregates announced from the RIPE address blocks: 87426
RIPE Region origin ASes present in the Internet Routing Table: 17962
RIPE Prefixes per ASN: 7.85
RIPE Region origin ASes announcing only one prefix: 8070
RIPE Region transit ASes present in the Internet Routing Table: 2983
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3894
Number of RIPE addresses announced to Internet: 698726016
Equivalent to 41 /8s, 165 /16s and 182 /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: 60698
Total LACNIC prefixes after maximum aggregation: 11561
LACNIC Deaggregation factor: 5.25
Prefixes being announced from the LACNIC address blocks: 71801
Unique aggregates announced from the LACNIC address blocks: 33250
LACNIC Region origin ASes present in the Internet Routing Table: 2461
LACNIC Prefixes per ASN: 29.18
LACNIC Region origin ASes announcing only one prefix: 622
LACNIC Region transit ASes present in the Internet Routing Table: 511
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: 1821
Number of LACNIC addresses announced to Internet: 168845888
Equivalent to 10 /8s, 16 /16s and 98 /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: 12217
Total AfriNIC prefixes after maximum aggregation: 3075
AfriNIC Deaggregation factor: 3.97
Prefixes being announced from the AfriNIC address blocks: 14105
Unique aggregates announced from the AfriNIC address blocks: 5270
AfriNIC Region origin ASes present in the Internet Routing Table: 740
AfriNIC Prefixes per ASN: 19.06
AfriNIC Region origin ASes announcing only one prefix: 200
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: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 138
Number of AfriNIC addresses announced to Internet: 68403712
Equivalent to 4 /8s, 19 /16s and 194 /24s
Percentage of available AfriNIC address space announced: 68.0
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
4766 2964 11298 949 Korea Telecom
17974 2702 904 80 PT Telekomunikasi Indonesia
7545 2587 339 137 TPG Telecom Limited
4755 2028 426 225 TATA Communications formerly
4538 1949 4190 71 China Education and Research
9829 1835 1367 179 National Internet Backbone
9808 1582 8717 29 Guangdong Mobile Communicatio
9583 1517 119 570 Sify Limited
4808 1483 2248 469 CNCGROUP IP network China169
9498 1363 335 105 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 3180 2961 138 Cox Communications Inc.
6389 2734 3688 51 BellSouth.net Inc.
3356 2554 10710 514 Level 3 Communications, Inc.
18566 2068 381 203 MegaPath Corporation
20115 1874 1847 409 Charter Communications
6983 1751 851 245 EarthLink, Inc.
4323 1608 1022 416 tw telecom holdings, inc.
30036 1579 321 447 Mediacom Communications Corp
701 1403 11376 683 MCI Communications Services,
22561 1376 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 2055 809 1487 Akamai International B.V.
34984 2047 306 375 TELLCOM ILETISIM HIZMETLERI A
6849 1209 355 21 JSC "Ukrtelecom"
8551 1101 376 52 Bezeq International-Ltd
13188 1068 97 77 TOV "Bank-Inform"
31148 1058 46 26 Freenet Ltd.
8402 971 544 15 OJSC "Vimpelcom"
12479 971 933 77 France Telecom Espana SA
6830 916 2696 469 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 3321 536 183 Telmex Colombia S.A.
28573 2304 2171 111 NET Serviços de Comunicação S
8151 1671 3256 483 Uninet S.A. de C.V.
7303 1635 1009 240 Telecom Argentina S.A.
6147 1444 374 30 Telefonica del Peru S.A.A.
6503 1266 421 55 Axtel, S.A.B. de C.V.
26615 1112 2325 35 Tim Celular S.A.
7738 995 1882 41 Telemar Norte Leste S.A.
3816 955 430 163 COLOMBIA TELECOMUNICACIONES S
11830 924 364 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 887 280 26 Link Egypt (Link.NET)
8452 848 1470 14 TE-AS
36903 512 258 99 Office National des Postes et
36992 442 1229 32 ETISALAT MISR
37492 314 175 71 Orange Tunisie
24835 306 146 12 Vodafone Data
3741 252 857 208 Internet Solutions
29571 247 21 13 Cote d'Ivoire Telecom
37054 189 20 7 Data Telecom Service
36947 175 807 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 3321 536 183 Telmex Colombia S.A.
22773 3180 2961 138 Cox Communications Inc.
4766 2964 11298 949 Korea Telecom
6389 2734 3688 51 BellSouth.net Inc.
17974 2702 904 80 PT Telekomunikasi Indonesia
7545 2587 339 137 TPG Telecom Limited
3356 2554 10710 514 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2304 2171 111 NET Serviços de Comunicação S
18566 2068 381 203 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 3180 3042 Cox Communications Inc.
6389 2734 2683 BellSouth.net Inc.
17974 2702 2622 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2587 2450 TPG Telecom Limited
28573 2304 2193 NET Serviços de Comunicação S
3356 2554 2040 Level 3 Communications, Inc.
4766 2964 2015 Korea Telecom
4538 1949 1878 China Education and Research
18566 2068 1865 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
100.66.34.0/24 31148 Freenet Ltd.
100.66.35.0/24 31148 Freenet Ltd.
100.67.26.0/24 31148 Freenet 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<<
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
27.111.72.0/22 23456 32bit Transition AS
27.112.120.0/22 23456 32bit Transition AS
27.116.40.0/22 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 /14:1004 /15:1728 /16:12895 /17:7275 /18:12349
/19:25526 /20:36065 /21:38750 /22:60524 /23:53004 /24:300407
/25:1136 /26:1157 /27:715 /28:14 /29:14 /30:9
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2374 3180 Cox Communications Inc.
18566 2010 2068 MegaPath Corporation
6389 1619 2734 BellSouth.net Inc.
30036 1400 1579 Mediacom Communications Corp
6983 1397 1751 EarthLink, Inc.
34984 1351 2047 TELLCOM ILETISIM HIZMETLERI A
10620 1194 3321 Telmex Colombia S.A.
11492 1124 1208 CABLE ONE, INC.
22561 1049 1376 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1523 2:690 4:96 5:1882 6:25 8:1384
12:1811 13:14 14:1321 15:17 16:2 17:42
18:22 20:49 23:1259 24:1767 27:1976 31:1571
32:37 33:2 34:4 35:3 36:158 37:2014
38:1038 39:14 40:69 41:2754 42:297 43:1379
44:30 45:891 46:2323 47:51 49:928 50:784
52:12 54:86 55:5 56:6 57:43 58:1352
59:713 60:479 61:1759 62:1380 63:1905 64:4432
65:2260 66:4028 67:2079 68:1062 69:3238 70:1027
71:450 72:1965 74:2598 75:356 76:387 77:1286
78:1167 79:812 80:1363 81:1319 82:854 83:720
84:795 85:1361 86:445 87:1044 88:537 89:1936
90:147 91:5997 92:849 93:2278 94:2033 95:2193
96:423 97:348 98:1021 99:55 100:78 101:847
103:7906 104:2019 105:62 106:340 107:1042 108:626
109:2108 110:1150 111:1450 112:819 113:1105 114:839
115:1265 116:1461 117:1068 118:1804 119:1460 120:451
121:1140 122:2161 123:1842 124:1519 125:1611 128:634
129:399 130:416 131:1225 132:518 133:171 134:406
135:97 136:333 137:327 138:1058 139:150 140:238
141:502 142:663 143:512 144:548 145:125 146:796
147:580 148:1230 149:419 150:567 151:643 152:524
153:254 154:477 155:885 156:425 157:420 158:356
159:1022 160:409 161:665 162:1999 163:441 164:696
165:703 166:299 167:843 168:1242 169:187 170:1473
171:253 172:272 173:1533 174:721 175:696 176:1428
177:3834 178:2172 179:947 180:1935 181:1630 182:1802
183:628 184:758 185:3980 186:2890 187:1772 188:2080
189:1609 190:7705 191:1107 192:8531 193:5652 194:4223
195:3642 196:1999 197:1034 198:5551 199:5508 200:6670
201:3295 202:9503 203:9161 204:4691 205:2838 206:3020
207:2990 208:3983 209:3925 210:3566 211:1919 212:2541
213:2252 214:844 215:71 216:5743 217:1843 218:732
219:468 220:1480 221:816 222:471 223:811
End of report
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