[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 11 18:12:31 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 12 Sep, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 562922
Prefixes after maximum aggregation (per Origin AS): 210448
Deaggregation factor: 2.67
Unique aggregates announced (without unneeded subnets): 273421
Total ASes present in the Internet Routing Table: 51406
Prefixes per ASN: 10.95
Origin-only ASes present in the Internet Routing Table: 36646
Origin ASes announcing only one prefix: 16108
Transit ASes present in the Internet Routing Table: 6404
Transit-only ASes present in the Internet Routing Table: 170
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 45
Max AS path prepend of ASN ( 55644) 41
Prefixes from unregistered ASNs in the Routing Table: 1080
Unregistered ASNs in the Routing Table: 411
Number of 32-bit ASNs allocated by the RIRs: 10940
Number of 32-bit ASNs visible in the Routing Table: 8356
Prefixes from 32-bit ASNs in the Routing Table: 31443
Number of bogon 32-bit ASNs visible in the Routing Table: 19
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 438
Number of addresses announced to Internet: 2808516288
Equivalent to 167 /8s, 102 /16s and 142 /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: 97.6
Total number of prefixes smaller than registry allocations: 185904
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 142701
Total APNIC prefixes after maximum aggregation: 39688
APNIC Deaggregation factor: 3.60
Prefixes being announced from the APNIC address blocks: 150100
Unique aggregates announced from the APNIC address blocks: 59677
APNIC Region origin ASes present in the Internet Routing Table: 5093
APNIC Prefixes per ASN: 29.47
APNIC Region origin ASes announcing only one prefix: 1206
APNIC Region transit ASes present in the Internet Routing Table: 892
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1618
Number of APNIC addresses announced to Internet: 752237184
Equivalent to 44 /8s, 214 /16s and 58 /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: 180262
Total ARIN prefixes after maximum aggregation: 88353
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 183222
Unique aggregates announced from the ARIN address blocks: 86012
ARIN Region origin ASes present in the Internet Routing Table: 16575
ARIN Prefixes per ASN: 11.05
ARIN Region origin ASes announcing only one prefix: 6055
ARIN Region transit ASes present in the Internet Routing Table: 1741
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: 661
Number of ARIN addresses announced to Internet: 1117747648
Equivalent to 66 /8s, 159 /16s and 121 /24s
Percentage of available ARIN address space announced: 59.1
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: 135342
Total RIPE prefixes after maximum aggregation: 67629
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 142286
Unique aggregates announced from the RIPE address blocks: 88430
RIPE Region origin ASes present in the Internet Routing Table: 17983
RIPE Prefixes per ASN: 7.91
RIPE Region origin ASes announcing only one prefix: 8048
RIPE Region transit ASes present in the Internet Routing Table: 2998
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4014
Number of RIPE addresses announced to Internet: 699646848
Equivalent to 41 /8s, 179 /16s and 195 /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: 60880
Total LACNIC prefixes after maximum aggregation: 11656
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 72726
Unique aggregates announced from the LACNIC address blocks: 33618
LACNIC Region origin ASes present in the Internet Routing Table: 2463
LACNIC Prefixes per ASN: 29.53
LACNIC Region origin ASes announcing only one prefix: 605
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: 1917
Number of LACNIC addresses announced to Internet: 168849920
Equivalent to 10 /8s, 16 /16s and 114 /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: 12177
Total AfriNIC prefixes after maximum aggregation: 3079
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 14150
Unique aggregates announced from the AfriNIC address blocks: 5307
AfriNIC Region origin ASes present in the Internet Routing Table: 737
AfriNIC Prefixes per ASN: 19.20
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 165
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: 146
Number of AfriNIC addresses announced to Internet: 69418240
Equivalent to 4 /8s, 35 /16s and 61 /24s
Percentage of available AfriNIC address space announced: 69.0
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 5581 4192 76 China Education and Research
4766 3004 11134 981 Korea Telecom
7545 2791 339 133 TPG Telecom Limited
17974 2712 908 90 PT Telekomunikasi Indonesia
4755 2042 427 229 TATA Communications formerly
9829 1880 1375 204 National Internet Backbone
9808 1592 8639 18 Guangdong Mobile Communicatio
4812 1574 2099 113 China Telecom (Group)
4808 1527 2254 473 CNCGROUP IP network China169
9583 1495 118 559 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 3178 2966 144 Cox Communications Inc.
6389 2696 3688 51 BellSouth.net Inc.
3356 2541 10709 503 Level 3 Communications, Inc.
18566 2145 389 257 MegaPath Corporation
20115 1881 1864 395 Charter Communications
6983 1740 866 244 EarthLink, Inc.
30036 1593 321 399 Mediacom Communications Corp
4323 1584 1005 404 tw telecom holdings, inc.
701 1400 11401 676 MCI Communications Services,
22561 1374 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 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2133 847 1536 Akamai International B.V.
34984 2042 306 377 TELLCOM ILETISIM HIZMETLERI A
13188 1071 97 76 TOV "Bank-Inform"
31148 1049 46 23 Freenet Ltd.
6849 1029 355 21 JSC "Ukrtelecom"
8402 1015 544 15 OJSC "Vimpelcom"
12479 994 965 78 France Telecom Espana SA
8551 982 376 52 Bezeq International-Ltd
6830 915 2694 468 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 3369 539 159 Telmex Colombia S.A.
28573 2266 2170 120 NET Serviços de Comunicação S
8151 1840 3272 484 Uninet S.A. de C.V.
7303 1563 934 237 Telecom Argentina S.A.
6503 1401 429 56 Axtel, S.A.B. de C.V.
26615 1085 2325 35 Tim Celular S.A.
6147 1062 374 30 Telefonica del Peru S.A.A.
7738 997 1882 41 Telemar Norte Leste S.A.
3816 948 436 160 COLOMBIA TELECOMUNICACIONES S
11830 915 364 24 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
8452 914 1470 14 TE-AS
24863 787 281 37 Link Egypt (Link.NET)
36903 512 258 99 Office National des Postes et
36992 439 1229 32 ETISALAT MISR
37492 315 191 72 Orange Tunisie
24835 280 146 12 Vodafone Data
29571 247 21 13 Cote d'Ivoire Telecom
3741 244 854 200 Internet Solutions
36947 184 807 13 Telecom Algeria
15706 172 32 6 Sudatel (Sudan Telecom Co. Lt
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 5581 4192 76 China Education and Research
10620 3369 539 159 Telmex Colombia S.A.
22773 3178 2966 144 Cox Communications Inc.
4766 3004 11134 981 Korea Telecom
7545 2791 339 133 TPG Telecom Limited
17974 2712 908 90 PT Telekomunikasi Indonesia
6389 2696 3688 51 BellSouth.net Inc.
3356 2541 10709 503 Level 3 Communications, Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
28573 2266 2170 120 NET Serviços de Comunicação S
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 3369 3210 Telmex Colombia S.A.
22773 3178 3034 Cox Communications Inc.
7545 2791 2658 TPG Telecom Limited
6389 2696 2645 BellSouth.net Inc.
17974 2712 2622 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
28573 2266 2146 NET Serviços de Comunicação S
3356 2541 2038 Level 3 Communications, Inc.
4766 3004 2023 Korea Telecom
18566 2145 1888 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
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
27.50.8.0/24 55548 Ravibhawan
27.50.9.0/24 55548 Ravibhawan
27.50.10.0/24 55548 Ravibhawan
27.50.11.0/24 55548 Ravibhawan
27.100.7.0/24 56096 >>UNKNOWN<<
31.170.96.0/23 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 /8:18 /9:13 /10:36 /11:95 /12:262
/13:500 /14:1005 /15:1739 /16:12905 /17:7389 /18:12574
/19:26353 /20:37377 /21:39532 /22:61825 /23:53967 /24:304998
/25:854 /26:928 /27:492 /28:15 /29:14 /30:9
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2473 SaudiNet, Saudi Telecom Compa
22773 2388 3178 Cox Communications Inc.
18566 2060 2145 MegaPath Corporation
6389 1608 2696 BellSouth.net Inc.
30036 1412 1593 Mediacom Communications Corp
6983 1386 1740 EarthLink, Inc.
34984 1362 2042 TELLCOM ILETISIM HIZMETLERI A
10620 1245 3369 Telmex Colombia S.A.
11492 1134 1217 CABLE ONE, INC.
22561 1047 1374 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1578 2:687 4:97 5:1879 6:25 8:1400
12:1812 13:19 14:1427 15:17 16:2 17:50
18:22 20:50 23:1269 24:1749 27:2083 31:1605
32:37 33:2 34:4 35:3 36:157 37:2040
38:1056 39:15 40:71 41:2769 42:343 43:1509
44:31 45:1127 46:2351 47:55 49:959 50:801
52:22 54:86 55:6 56:28 57:43 58:1411
59:770 60:492 61:1792 62:1385 63:1893 64:4403
65:2242 66:3994 67:2073 68:1072 69:3238 70:1036
71:449 72:1968 74:2577 75:356 76:395 77:1377
78:1157 79:813 80:1356 81:1352 82:873 83:725
84:764 85:1384 86:457 87:1019 88:535 89:1948
90:150 91:5962 92:834 93:2297 94:2089 95:2160
96:419 97:348 98:963 99:55 100:77 101:855
103:8281 104:2046 105:80 106:347 107:1049 108:626
109:2144 110:1207 111:1463 112:825 113:1117 114:852
115:1334 116:1450 117:1090 118:1946 119:1475 120:464
121:1149 122:2171 123:1851 124:1539 125:1713 128:659
129:396 130:430 131:1261 132:535 133:166 134:422
135:96 136:346 137:317 138:1238 139:169 140:247
141:438 142:680 143:546 144:567 145:126 146:795
147:590 148:1268 149:433 150:599 151:795 152:530
153:254 154:501 155:876 156:422 157:424 158:345
159:1043 160:423 161:672 162:2106 163:461 164:693
165:714 166:308 167:867 168:1240 169:196 170:1397
171:248 172:269 173:1513 174:715 175:715 176:1463
177:3982 178:2197 179:989 180:1960 181:1548 182:1815
183:630 184:739 185:4246 186:2973 187:1885 188:2112
189:1719 190:7608 191:1155 192:8558 193:5662 194:4246
195:3651 196:1963 197:1079 198:5472 199:5517 200:6663
201:3249 202:9752 203:9179 204:4626 205:2877 206:3091
207:3027 208:3994 209:3918 210:3763 211:2052 212:2566
213:2221 214:863 215:74 216:5791 217:1793 218:798
219:544 220:1569 221:812 222:721 223:815
End of report
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