[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 19 18:11:16 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 20 Feb, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 583532
Prefixes after maximum aggregation (per Origin AS): 214790
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 284652
Total ASes present in the Internet Routing Table: 52842
Prefixes per ASN: 11.04
Origin-only ASes present in the Internet Routing Table: 36589
Origin ASes announcing only one prefix: 15801
Transit ASes present in the Internet Routing Table: 6414
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: 40
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 1035
Unregistered ASNs in the Routing Table: 384
Number of 32-bit ASNs allocated by the RIRs: 12764
Number of 32-bit ASNs visible in the Routing Table: 9839
Prefixes from 32-bit ASNs in the Routing Table: 38235
Number of bogon 32-bit ASNs visible in the Routing Table: 408
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 403
Number of addresses announced to Internet: 2804172612
Equivalent to 167 /8s, 36 /16s and 71 /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: 98.0
Total number of prefixes smaller than registry allocations: 192117
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 149631
Total APNIC prefixes after maximum aggregation: 41099
APNIC Deaggregation factor: 3.64
Prefixes being announced from the APNIC address blocks: 158901
Unique aggregates announced from the APNIC address blocks: 64226
APNIC Region origin ASes present in the Internet Routing Table: 5137
APNIC Prefixes per ASN: 30.93
APNIC Region origin ASes announcing only one prefix: 1178
APNIC Region transit ASes present in the Internet Routing Table: 901
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1870
Number of APNIC addresses announced to Internet: 751381380
Equivalent to 44 /8s, 201 /16s and 43 /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: 178824
Total ARIN prefixes after maximum aggregation: 88813
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 183967
Unique aggregates announced from the ARIN address blocks: 87171
ARIN Region origin ASes present in the Internet Routing Table: 16417
ARIN Prefixes per ASN: 11.21
ARIN Region origin ASes announcing only one prefix: 5894
ARIN Region transit ASes present in the Internet Routing Table: 1702
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: 1019
Number of ARIN addresses announced to Internet: 1101870912
Equivalent to 65 /8s, 173 /16s and 55 /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: 140657
Total RIPE prefixes after maximum aggregation: 69507
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 148984
Unique aggregates announced from the RIPE address blocks: 91707
RIPE Region origin ASes present in the Internet Routing Table: 18052
RIPE Prefixes per ASN: 8.25
RIPE Region origin ASes announcing only one prefix: 7953
RIPE Region transit ASes present in the Internet Routing Table: 3020
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4479
Number of RIPE addresses announced to Internet: 702726784
Equivalent to 41 /8s, 226 /16s and 194 /24s
Percentage of available RIPE address space announced: 102.2
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: 61411
Total LACNIC prefixes after maximum aggregation: 12129
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 74868
Unique aggregates announced from the LACNIC address blocks: 34972
LACNIC Region origin ASes present in the Internet Routing Table: 2461
LACNIC Prefixes per ASN: 30.42
LACNIC Region origin ASes announcing only one prefix: 582
LACNIC Region transit ASes present in the Internet Routing Table: 541
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2280
Number of LACNIC addresses announced to Internet: 170776064
Equivalent to 10 /8s, 45 /16s and 214 /24s
Percentage of available LACNIC address space announced: 101.8
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: 14621
Total AfriNIC prefixes after maximum aggregation: 3201
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 16409
Unique aggregates announced from the AfriNIC address blocks: 6216
AfriNIC Region origin ASes present in the Internet Routing Table: 742
AfriNIC Prefixes per ASN: 22.11
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 175
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: 191
Number of AfriNIC addresses announced to Internet: 76979712
Equivalent to 4 /8s, 150 /16s and 158 /24s
Percentage of available AfriNIC address space announced: 76.5
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 5595 4192 76 China Education and Research
7545 3128 350 177 TPG Telecom Limited
4766 3120 11127 1101 Korea Telecom
17974 2891 914 96 PT Telekomunikasi Indonesia
9829 2378 1447 423 National Internet Backbone
4755 2087 432 240 TATA Communications formerly
9808 1837 8717 30 Guangdong Mobile Communicatio
4808 1625 2284 518 CNCGROUP IP network China169
45899 1576 1076 190 VNNIC
9583 1521 121 557 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 3288 2948 147 Cox Communications Inc.
6389 2412 3687 42 BellSouth.net Inc.
18566 2211 394 276 MegaPath Corporation
20115 1912 1917 407 Charter Communications
30036 1709 340 270 Mediacom Communications Corp
6983 1695 849 236 EarthLink, Inc.
4323 1588 1023 393 tw telecom holdings, inc.
209 1484 4487 1203 Qwest Communications Company,
701 1394 11453 662 MCI Communications Services,
11492 1259 236 586 CABLE ONE, INC.
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 2515 135 9 SaudiNet, Saudi Telecom Compa
20940 2383 924 1707 Akamai International B.V.
34984 1945 322 414 TELLCOM ILETISIM HIZMETLERI A
8551 1226 376 53 Bezeq International-Ltd
6849 1179 355 21 JSC "Ukrtelecom"
8402 1141 544 15 OJSC "Vimpelcom"
12479 1137 979 76 France Telecom Espana SA
13188 1078 98 78 TOV "Bank-Inform"
31148 1041 47 41 Freenet Ltd.
9198 963 352 25 JSC Kazakhtelecom
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 3428 540 152 Telmex Colombia S.A.
8151 2172 3389 519 Uninet S.A. de C.V.
7303 1588 944 240 Telecom Argentina S.A.
11830 1439 366 25 Instituto Costarricense de El
6503 1433 437 56 Axtel, S.A.B. de C.V.
28573 1041 2177 155 NET Serviços de Comunicação S
6147 1036 377 27 Telefonica del Peru S.A.A.
7738 994 1882 41 Telemar Norte Leste S.A.
26615 994 2325 34 Tim Celular S.A.
3816 984 477 191 COLOMBIA TELECOMUNICACIONES S
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 1419 1472 15 TE-AS
24863 1198 402 35 Link Egypt (Link.NET)
37611 626 42 44 Afrihost-Brevis Computer Serv
36903 584 294 104 Office National des Postes et
36992 500 1235 28 ETISALAT MISR
37492 356 215 64 Orange Tunisie
24835 332 146 12 Vodafone Data
29571 265 21 11 Cote d'Ivoire Telecom
2018 250 327 74 TENET (The UNINET Project)
3741 222 837 183 Internet Solutions
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 5595 4192 76 China Education and Research
10620 3428 540 152 Telmex Colombia S.A.
22773 3288 2948 147 Cox Communications Inc.
7545 3128 350 177 TPG Telecom Limited
4766 3120 11127 1101 Korea Telecom
17974 2891 914 96 PT Telekomunikasi Indonesia
39891 2515 135 9 SaudiNet, Saudi Telecom Compa
6389 2412 3687 42 BellSouth.net Inc.
20940 2383 924 1707 Akamai International B.V.
9829 2378 1447 423 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 3428 3276 Telmex Colombia S.A.
22773 3288 3141 Cox Communications Inc.
7545 3128 2951 TPG Telecom Limited
17974 2891 2795 PT Telekomunikasi Indonesia
39891 2515 2506 SaudiNet, Saudi Telecom Compa
6389 2412 2370 BellSouth.net Inc.
4766 3120 2019 Korea Telecom
9829 2378 1955 National Internet Backbone
18566 2211 1935 MegaPath Corporation
4755 2087 1847 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
65001 PRIVATE 5.143.176.0/20 15468 OJSC Rostelecom
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
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
27.100.7.0/24 56096 >>UNKNOWN<<
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<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.3.0/24 37004 >>UNKNOWN<<
41.73.4.0/24 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 /11:101 /12:266
/13:511 /14:1024 /15:1757 /16:12978 /17:7498 /18:12597
/19:25653 /20:37979 /21:40029 /22:64785 /23:55905 /24:320773
/25:550 /26:586 /27:406 /28:18 /29:16 /30:13
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2473 3288 Cox Communications Inc.
39891 2472 2515 SaudiNet, Saudi Telecom Compa
18566 2113 2211 MegaPath Corporation
6389 1531 2412 BellSouth.net Inc.
30036 1524 1709 Mediacom Communications Corp
6983 1341 1695 EarthLink, Inc.
10620 1315 3428 Telmex Colombia S.A.
34984 1234 1945 TELLCOM ILETISIM HIZMETLERI A
11492 1168 1259 CABLE ONE, INC.
6849 997 1179 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1604 2:745 4:19 5:2104 6:27 8:908
12:1787 13:36 14:1650 15:23 16:2 17:68
18:20 20:46 23:1372 24:1739 27:2233 31:1731
32:54 33:2 34:2 35:4 36:227 37:2364
38:1176 39:23 40:85 41:3181 42:384 43:1670
44:41 45:1663 46:2409 47:68 49:1124 50:847
51:3 52:68 54:181 55:3 56:6 57:44
58:1498 59:856 60:557 61:1780 62:1444 63:1908
64:4459 65:2176 66:4082 67:2080 68:1104 69:3295
70:1041 71:464 72:1980 74:2541 75:357 76:421
77:1332 78:1284 79:830 80:1316 81:1366 82:883
83:669 84:801 85:1579 86:465 87:1042 88:564
89:1931 90:166 91:6025 92:849 93:2319 94:2362
95:2288 96:471 97:351 98:953 99:45 100:68
101:926 103:9746 104:2236 105:99 106:391 107:1130
108:651 109:2158 110:1258 111:1628 112:940 113:1257
114:1110 115:1667 116:1522 117:1404 118:2014 119:1562
120:511 121:1166 122:2233 123:2015 124:1616 125:1753
128:716 129:366 130:426 131:1259 132:598 133:173
134:449 135:122 136:351 137:335 138:1699 139:199
140:251 141:474 142:630 143:838 144:594 145:160
146:836 147:594 148:1473 149:462 150:648 151:824
152:598 153:270 154:583 155:904 156:469 157:424
158:343 159:1093 160:421 161:720 162:2272 163:528
164:728 165:1113 166:312 167:1004 168:1501 169:601
170:1490 171:255 172:437 173:1636 174:718 175:855
176:1517 177:3993 178:2228 179:1070 180:2084 181:1658
182:1935 183:680 184:787 185:5749 186:3057 187:1993
188:2076 189:1791 190:7650 191:1254 192:8863 193:5722
194:4351 195:3733 196:1656 197:1319 198:5489 199:5580
200:6806 201:3714 202:10110 203:9551 204:4594 205:2691
206:2973 207:3044 208:4031 209:3875 210:3939 211:2009
212:2646 213:2162 214:811 215:72 216:5712 217:1911
218:741 219:562 220:1646 221:850 222:677 223:921
End of report
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