[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 18 18:10:59 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,
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 19 Dec, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 575038
Prefixes after maximum aggregation (per Origin AS): 212671
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 279789
Total ASes present in the Internet Routing Table: 52332
Prefixes per ASN: 10.99
Origin-only ASes present in the Internet Routing Table: 36643
Origin ASes announcing only one prefix: 15899
Transit ASes present in the Internet Routing Table: 6389
Transit-only ASes present in the Internet Routing Table: 168
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 37
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 1022
Unregistered ASNs in the Routing Table: 366
Number of 32-bit ASNs allocated by the RIRs: 12134
Number of 32-bit ASNs visible in the Routing Table: 9300
Prefixes from 32-bit ASNs in the Routing Table: 35469
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 410
Number of addresses announced to Internet: 2802619584
Equivalent to 167 /8s, 12 /16s and 148 /24s
Percentage of available address space announced: 75.7
Percentage of allocated address space announced: 75.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.8
Total number of prefixes smaller than registry allocations: 189105
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 145893
Total APNIC prefixes after maximum aggregation: 39962
APNIC Deaggregation factor: 3.65
Prefixes being announced from the APNIC address blocks: 154461
Unique aggregates announced from the APNIC address blocks: 61426
APNIC Region origin ASes present in the Internet Routing Table: 5124
APNIC Prefixes per ASN: 30.14
APNIC Region origin ASes announcing only one prefix: 1200
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: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1759
Number of APNIC addresses announced to Internet: 756146560
Equivalent to 45 /8s, 17 /16s and 225 /24s
Percentage of available APNIC address space announced: 88.4
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: 181146
Total ARIN prefixes after maximum aggregation: 89006
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 184534
Unique aggregates announced from the ARIN address blocks: 86477
ARIN Region origin ASes present in the Internet Routing Table: 16478
ARIN Prefixes per ASN: 11.20
ARIN Region origin ASes announcing only one prefix: 5936
ARIN Region transit ASes present in the Internet Routing Table: 1723
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 37
Number of ARIN region 32-bit ASNs visible in the Routing Table: 895
Number of ARIN addresses announced to Internet: 1102004160
Equivalent to 65 /8s, 175 /16s and 63 /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: 138479
Total RIPE prefixes after maximum aggregation: 68745
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 146403
Unique aggregates announced from the RIPE address blocks: 90629
RIPE Region origin ASes present in the Internet Routing Table: 18038
RIPE Prefixes per ASN: 8.12
RIPE Region origin ASes announcing only one prefix: 7978
RIPE Region transit ASes present in the Internet Routing Table: 2990
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4316
Number of RIPE addresses announced to Internet: 702141824
Equivalent to 41 /8s, 217 /16s and 213 /24s
Percentage of available RIPE address space announced: 102.1
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: 60498
Total LACNIC prefixes after maximum aggregation: 11803
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 73413
Unique aggregates announced from the LACNIC address blocks: 34606
LACNIC Region origin ASes present in the Internet Routing Table: 2461
LACNIC Prefixes per ASN: 29.83
LACNIC Region origin ASes announcing only one prefix: 594
LACNIC Region transit ASes present in the Internet Routing Table: 537
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: 2153
Number of LACNIC addresses announced to Internet: 170625024
Equivalent to 10 /8s, 43 /16s and 136 /24s
Percentage of available LACNIC address space announced: 101.7
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: 13470
Total AfriNIC prefixes after maximum aggregation: 3113
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 15817
Unique aggregates announced from the AfriNIC address blocks: 6300
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 21.49
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 168
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 177
Number of AfriNIC addresses announced to Internet: 71324160
Equivalent to 4 /8s, 64 /16s and 82 /24s
Percentage of available AfriNIC address space announced: 70.9
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 5599 4192 76 China Education and Research
7545 3059 346 157 TPG Telecom Limited
4766 3016 11136 999 Korea Telecom
17974 2758 914 96 PT Telekomunikasi Indonesia
9829 2201 1413 372 National Internet Backbone
4755 2067 431 232 TATA Communications formerly
9808 1687 8639 18 Guangdong Mobile Communicatio
4808 1590 2275 504 CNCGROUP IP network China169
9583 1507 163 80 Sify Limited
38197 1412 88 186 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 3270 2964 145 Cox Communications Inc.
3356 2600 10693 537 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
18566 2212 394 277 MegaPath Corporation
20115 1897 1902 403 Charter Communications
6983 1698 849 238 EarthLink, Inc.
30036 1666 332 334 Mediacom Communications Corp
4323 1577 1021 393 tw telecom holdings, inc.
209 1463 4338 1227 Qwest Communications Company,
701 1373 11441 646 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 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2261 892 1617 Akamai International B.V.
34984 1910 318 426 TELLCOM ILETISIM HIZMETLERI A
8551 1437 376 44 Bezeq International-Ltd
8402 1082 544 15 OJSC "Vimpelcom"
13188 1075 97 79 TOV "Bank-Inform"
12479 1062 965 80 France Telecom Espana SA
31148 1042 47 41 Freenet Ltd.
9198 950 349 25 JSC Kazakhtelecom
6830 898 2712 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 3419 543 113 Telmex Colombia S.A.
8151 2122 3364 491 Uninet S.A. de C.V.
7303 1581 942 241 Telecom Argentina S.A.
6503 1388 453 58 Axtel, S.A.B. de C.V.
28573 1213 2174 131 NET Serviços de Comunicação S
11830 1094 366 25 Instituto Costarricense de El
6147 1039 376 34 Telefonica del Peru S.A.A.
7738 994 1882 41 Telemar Norte Leste S.A.
3816 974 459 185 COLOMBIA TELECOMUNICACIONES S
26615 948 2325 34 Tim Celular S.A.
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 1184 1470 14 TE-AS
24863 1135 405 37 Link Egypt (Link.NET)
37611 583 39 40 Afrihost-Brevis Computer Serv
36903 552 278 110 Office National des Postes et
36992 434 1233 33 ETISALAT MISR
37492 325 192 74 Orange Tunisie
29571 264 21 11 Cote d'Ivoire Telecom
24835 245 146 12 Vodafone Data
3741 221 837 183 Internet Solutions
15706 171 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 5599 4192 76 China Education and Research
10620 3419 543 113 Telmex Colombia S.A.
22773 3270 2964 145 Cox Communications Inc.
7545 3059 346 157 TPG Telecom Limited
4766 3016 11136 999 Korea Telecom
17974 2758 914 96 PT Telekomunikasi Indonesia
3356 2600 10693 537 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2261 892 1617 Akamai International B.V.
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 3419 3306 Telmex Colombia S.A.
22773 3270 3125 Cox Communications Inc.
7545 3059 2902 TPG Telecom Limited
17974 2758 2662 PT Telekomunikasi Indonesia
6389 2508 2466 BellSouth.net Inc.
39891 2473 2466 SaudiNet, Saudi Telecom Compa
3356 2600 2063 Level 3 Communications, Inc.
4766 3016 2017 Korea Telecom
18566 2212 1935 MegaPath Corporation
4755 2067 1835 TATA Communications formerly
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
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
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 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
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
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
37.46.8.0/23 13768 Peer 1 Network (USA) Inc.
37.46.10.0/23 36351 SoftLayer Technologies Inc.
37.46.14.0/24 36351 SoftLayer Technologies Inc.
37.46.15.0/24 36351 SoftLayer Technologies Inc.
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 /11:100 /12:265
/13:506 /14:1016 /15:1773 /16:12988 /17:7408 /18:12610
/19:25580 /20:37740 /21:39987 /22:63460 /23:54945 /24:315024
/25:546 /26:578 /27:384 /28:17 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2458 3270 Cox Communications Inc.
39891 2432 2473 SaudiNet, Saudi Telecom Compa
18566 2114 2212 MegaPath Corporation
6389 1553 2508 BellSouth.net Inc.
30036 1483 1666 Mediacom Communications Corp
6983 1345 1698 EarthLink, Inc.
10620 1289 3419 Telmex Colombia S.A.
34984 1205 1910 TELLCOM ILETISIM HIZMETLERI A
11492 1132 1222 CABLE ONE, INC.
31148 961 1042 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1643 2:653 4:100 5:2068 6:26 8:1412
12:1801 13:30 14:1588 15:23 16:2 17:57
18:19 20:48 22:1 23:1320 24:1730 27:2132
31:1703 32:54 33:2 34:4 35:5 36:192
37:2211 38:1137 39:22 40:76 41:3005 42:368
43:1623 44:36 45:1567 46:2353 47:64 49:1069
50:825 51:3 52:35 54:96 55:8 56:8
57:44 58:1430 59:840 60:519 61:1760 62:1461
63:1909 64:4436 65:2186 66:4071 67:2136 68:1090
69:3270 70:1043 71:461 72:1976 74:2557 75:358
76:416 77:1378 78:1280 79:820 80:1324 81:1361
82:848 83:669 84:779 85:1532 86:456 87:1048
88:548 89:1930 90:153 91:5964 92:861 93:2307
94:2238 95:2242 96:472 97:353 98:957 99:45
100:79 101:872 103:9167 104:2171 105:88 106:361
107:1108 108:638 109:2369 110:1239 111:1542 112:878
113:1188 114:916 115:1534 116:1515 117:1351 118:2009
119:1491 120:513 121:1163 122:2254 123:1872 124:1570
125:1739 128:674 129:353 130:422 131:1281 132:592
133:169 134:452 135:121 136:348 137:310 138:1586
139:197 140:249 141:465 142:637 143:737 144:578
145:150 146:827 147:609 148:1306 149:450 150:622
151:809 152:570 153:269 154:477 155:904 156:443
157:404 158:347 159:1065 160:421 161:690 162:2213
163:501 164:712 165:1100 166:315 167:913 168:1339
169:560 170:1484 171:267 172:373 173:1572 174:716
175:766 176:1497 177:3961 178:2277 179:1049 180:2051
181:1629 182:1911 183:649 184:763 185:5177 186:3051
187:1879 188:2125 189:1710 190:7543 191:1262 192:8738
193:5734 194:4308 195:3730 196:2250 197:1113 198:5503
199:5518 200:6707 201:3489 202:9869 203:9299 204:4557
205:2730 206:2966 207:3018 208:4017 209:3973 210:3766
211:2018 212:2616 213:2199 214:831 215:73 216:5721
217:1871 218:741 219:543 220:1640 221:798 222:641
223:874
End of report
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