[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 1 18:11:17 UTC 2016
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 02 Jan, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 576790
Prefixes after maximum aggregation (per Origin AS): 213317
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 281104
Total ASes present in the Internet Routing Table: 52380
Prefixes per ASN: 11.01
Origin-only ASes present in the Internet Routing Table: 36587
Origin ASes announcing only one prefix: 15873
Transit ASes present in the Internet Routing Table: 6419
Transit-only ASes present in the Internet Routing Table: 165
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 39
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 1004
Unregistered ASNs in the Routing Table: 361
Number of 32-bit ASNs allocated by the RIRs: 12266
Number of 32-bit ASNs visible in the Routing Table: 9374
Prefixes from 32-bit ASNs in the Routing Table: 35887
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: 382
Number of addresses announced to Internet: 2802747332
Equivalent to 167 /8s, 14 /16s and 135 /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: 97.9
Total number of prefixes smaller than registry allocations: 189420
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 146553
Total APNIC prefixes after maximum aggregation: 40529
APNIC Deaggregation factor: 3.62
Prefixes being announced from the APNIC address blocks: 155260
Unique aggregates announced from the APNIC address blocks: 62790
APNIC Region origin ASes present in the Internet Routing Table: 5122
APNIC Prefixes per ASN: 30.31
APNIC Region origin ASes announcing only one prefix: 1194
APNIC Region transit ASes present in the Internet Routing Table: 898
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1779
Number of APNIC addresses announced to Internet: 756331140
Equivalent to 45 /8s, 20 /16s and 178 /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: 181208
Total ARIN prefixes after maximum aggregation: 88927
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 184631
Unique aggregates announced from the ARIN address blocks: 86591
ARIN Region origin ASes present in the Internet Routing Table: 16456
ARIN Prefixes per ASN: 11.22
ARIN Region origin ASes announcing only one prefix: 5922
ARIN Region transit ASes present in the Internet Routing Table: 1725
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: 911
Number of ARIN addresses announced to Internet: 1101680064
Equivalent to 65 /8s, 170 /16s and 77 /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: 138671
Total RIPE prefixes after maximum aggregation: 68862
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 146667
Unique aggregates announced from the RIPE address blocks: 90783
RIPE Region origin ASes present in the Internet Routing Table: 18042
RIPE Prefixes per ASN: 8.13
RIPE Region origin ASes announcing only one prefix: 7973
RIPE Region transit ASes present in the Internet Routing Table: 3006
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4339
Number of RIPE addresses announced to Internet: 702366336
Equivalent to 41 /8s, 221 /16s and 66 /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: 60730
Total LACNIC prefixes after maximum aggregation: 11852
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 73834
Unique aggregates announced from the LACNIC address blocks: 34308
LACNIC Region origin ASes present in the Internet Routing Table: 2464
LACNIC Prefixes per ASN: 29.97
LACNIC Region origin ASes announcing only one prefix: 594
LACNIC Region transit ASes present in the Internet Routing Table: 546
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2169
Number of LACNIC addresses announced to Internet: 170653696
Equivalent to 10 /8s, 43 /16s and 248 /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: 13654
Total AfriNIC prefixes after maximum aggregation: 3105
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 16016
Unique aggregates announced from the AfriNIC address blocks: 6309
AfriNIC Region origin ASes present in the Internet Routing Table: 730
AfriNIC Prefixes per ASN: 21.94
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 169
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 176
Number of AfriNIC addresses announced to Internet: 71369216
Equivalent to 4 /8s, 65 /16s and 2 /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 5601 4192 76 China Education and Research
7545 3097 346 158 TPG Telecom Limited
4766 3021 11136 1003 Korea Telecom
17974 2841 909 90 PT Telekomunikasi Indonesia
9829 2292 1430 370 National Internet Backbone
4755 2069 431 233 TATA Communications formerly
9808 1727 8717 29 Guangdong Mobile Communicatio
4808 1604 2278 506 CNCGROUP IP network China169
9583 1511 121 558 Sify Limited
38197 1415 88 185 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 3273 2948 145 Cox Communications Inc.
3356 2591 10689 530 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
18566 2211 394 277 MegaPath Corporation
20115 1908 1907 407 Charter Communications
6983 1698 849 238 EarthLink, Inc.
30036 1669 333 330 Mediacom Communications Corp
4323 1579 1021 393 tw telecom holdings, inc.
209 1467 4338 1231 Qwest Communications Company,
701 1381 11445 652 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 2284 902 1635 Akamai International B.V.
34984 1938 322 411 TELLCOM ILETISIM HIZMETLERI A
8551 1435 376 44 Bezeq International-Ltd
13188 1075 97 79 TOV "Bank-Inform"
12479 1070 965 80 France Telecom Espana SA
31148 1042 47 41 Freenet Ltd.
8402 1033 544 15 OJSC "Vimpelcom"
9198 957 349 26 JSC Kazakhtelecom
6830 894 2712 464 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 3407 540 140 Telmex Colombia S.A.
8151 2145 3372 500 Uninet S.A. de C.V.
7303 1579 941 241 Telecom Argentina S.A.
6503 1388 453 58 Axtel, S.A.B. de C.V.
28573 1214 2173 135 NET Serviços de Comunicação S
11830 1096 366 25 Instituto Costarricense de El
6147 1034 376 34 Telefonica del Peru S.A.A.
7738 994 1882 41 Telemar Norte Leste S.A.
3816 977 460 187 COLOMBIA TELECOMUNICACIONES S
26615 959 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 1226 1472 16 TE-AS
24863 1163 403 36 Link Egypt (Link.NET)
37611 583 39 40 Afrihost-Brevis Computer Serv
36903 552 278 110 Office National des Postes et
36992 445 1233 33 ETISALAT MISR
37492 332 197 64 Orange Tunisie
24835 326 146 12 Vodafone Data
29571 264 21 11 Cote d'Ivoire Telecom
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 5601 4192 76 China Education and Research
10620 3407 540 140 Telmex Colombia S.A.
22773 3273 2948 145 Cox Communications Inc.
7545 3097 346 158 TPG Telecom Limited
4766 3021 11136 1003 Korea Telecom
17974 2841 909 90 PT Telekomunikasi Indonesia
3356 2591 10689 530 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
9829 2292 1430 370 National Internet Backbone
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 3407 3267 Telmex Colombia S.A.
22773 3273 3128 Cox Communications Inc.
7545 3097 2939 TPG Telecom Limited
17974 2841 2751 PT Telekomunikasi Indonesia
6389 2508 2466 BellSouth.net Inc.
39891 2473 2466 SaudiNet, Saudi Telecom Compa
3356 2591 2061 Level 3 Communications, Inc.
4766 3021 2018 Korea Telecom
18566 2211 1934 MegaPath Corporation
9829 2292 1922 National Internet Backbone
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
37.46.10.0/23 36351 SoftLayer Technologies Inc.
37.46.14.0/24 36351 SoftLayer Technologies Inc.
37.46.15.0/24 36351 SoftLayer Technologies Inc.
41.73.1.0/24 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 /8:16 /9:13 /10:36 /11:100 /12:265
/13:506 /14:1016 /15:1770 /16:12974 /17:7411 /18:12627
/19:25579 /20:37829 /21:40085 /22:63764 /23:55187 /24:316045
/25:547 /26:575 /27:382 /28:17 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2460 3273 Cox Communications Inc.
39891 2432 2473 SaudiNet, Saudi Telecom Compa
18566 2113 2211 MegaPath Corporation
6389 1553 2508 BellSouth.net Inc.
30036 1486 1669 Mediacom Communications Corp
6983 1344 1698 EarthLink, Inc.
10620 1291 3407 Telmex Colombia S.A.
34984 1225 1938 TELLCOM ILETISIM HIZMETLERI A
11492 1135 1225 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)
----------------------------------------------
1:1631 2:662 4:100 5:2064 6:26 8:1430
12:1796 13:30 14:1605 15:23 16:2 17:57
18:19 20:48 22:1 23:1325 24:1733 27:2171
31:1718 32:54 33:2 34:4 35:5 36:202
37:2179 38:1140 39:22 40:80 41:3025 42:368
43:1612 44:36 45:1580 46:2371 47:64 49:1068
50:823 51:3 52:36 54:96 55:7 56:8
57:44 58:1458 59:841 60:519 61:1776 62:1436
63:1913 64:4451 65:2175 66:4077 67:2135 68:1090
69:3269 70:1042 71:461 72:1984 74:2556 75:357
76:419 77:1389 78:1245 79:821 80:1315 81:1350
82:860 83:672 84:777 85:1536 86:456 87:1048
88:552 89:1937 90:152 91:5960 92:863 93:2301
94:2242 95:2255 96:471 97:353 98:955 99:45
100:78 101:866 103:9273 104:2189 105:90 106:361
107:1114 108:640 109:2376 110:1250 111:1558 112:906
113:1190 114:930 115:1543 116:1516 117:1361 118:2023
119:1518 120:520 121:1162 122:2254 123:1883 124:1577
125:1741 128:675 129:357 130:423 131:1256 132:600
133:170 134:452 135:117 136:345 137:310 138:1634
139:202 140:246 141:464 142:639 143:750 144:582
145:150 146:830 147:609 148:1429 149:454 150:628
151:806 152:566 153:270 154:493 155:905 156:446
157:416 158:348 159:1059 160:420 161:700 162:2221
163:525 164:710 165:1100 166:315 167:919 168:1338
169:561 170:1480 171:263 172:378 173:1575 174:716
175:769 176:1492 177:4034 178:2216 179:1050 180:2067
181:1646 182:1914 183:665 184:764 185:5293 186:3004
187:1864 188:2127 189:1712 190:7607 191:1277 192:8756
193:5726 194:4317 195:3715 196:2251 197:1109 198:5491
199:5520 200:6711 201:3496 202:9930 203:9296 204:4565
205:2722 206:2966 207:3039 208:4011 209:3976 210:3766
211:2018 212:2642 213:2185 214:819 215:72 216:5708
217:1894 218:741 219:556 220:1647 221:810 222:646
223:888
End of report
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