[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 15 18:11:07 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 16 Apr, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 590122
Prefixes after maximum aggregation (per Origin AS): 217231
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 288719
Total ASes present in the Internet Routing Table: 53427
Prefixes per ASN: 11.05
Origin-only ASes present in the Internet Routing Table: 36609
Origin ASes announcing only one prefix: 15715
Transit ASes present in the Internet Routing Table: 6422
Transit-only ASes present in the Internet Routing Table: 169
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 41
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 966
Unregistered ASNs in the Routing Table: 358
Number of 32-bit ASNs allocated by the RIRs: 13487
Number of 32-bit ASNs visible in the Routing Table: 10396
Prefixes from 32-bit ASNs in the Routing Table: 40624
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 388
Number of addresses announced to Internet: 2807919940
Equivalent to 167 /8s, 93 /16s and 117 /24s
Percentage of available address space announced: 75.8
Percentage of allocated address space announced: 75.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.1
Total number of prefixes smaller than registry allocations: 193326
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 150247
Total APNIC prefixes after maximum aggregation: 42132
APNIC Deaggregation factor: 3.57
Prefixes being announced from the APNIC address blocks: 160679
Unique aggregates announced from the APNIC address blocks: 65668
APNIC Region origin ASes present in the Internet Routing Table: 5167
APNIC Prefixes per ASN: 31.10
APNIC Region origin ASes announcing only one prefix: 1184
APNIC Region transit ASes present in the Internet Routing Table: 912
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 41
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2000
Number of APNIC addresses announced to Internet: 752212548
Equivalent to 44 /8s, 213 /16s and 218 /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: 180699
Total ARIN prefixes after maximum aggregation: 89549
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 185776
Unique aggregates announced from the ARIN address blocks: 88178
ARIN Region origin ASes present in the Internet Routing Table: 16390
ARIN Prefixes per ASN: 11.33
ARIN Region origin ASes announcing only one prefix: 5863
ARIN Region transit ASes present in the Internet Routing Table: 1716
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: 1133
Number of ARIN addresses announced to Internet: 1101654336
Equivalent to 65 /8s, 169 /16s and 233 /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: 142165
Total RIPE prefixes after maximum aggregation: 70048
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 150969
Unique aggregates announced from the RIPE address blocks: 92852
RIPE Region origin ASes present in the Internet Routing Table: 18064
RIPE Prefixes per ASN: 8.36
RIPE Region origin ASes announcing only one prefix: 7900
RIPE Region transit ASes present in the Internet Routing Table: 3001
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4649
Number of RIPE addresses announced to Internet: 704560256
Equivalent to 41 /8s, 254 /16s and 188 /24s
Percentage of available RIPE address space announced: 102.4
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: 62059
Total LACNIC prefixes after maximum aggregation: 12263
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 76192
Unique aggregates announced from the LACNIC address blocks: 35932
LACNIC Region origin ASes present in the Internet Routing Table: 2472
LACNIC Prefixes per ASN: 30.82
LACNIC Region origin ASes announcing only one prefix: 582
LACNIC Region transit ASes present in the Internet Routing Table: 557
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2409
Number of LACNIC addresses announced to Internet: 170805824
Equivalent to 10 /8s, 46 /16s and 74 /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: 14252
Total AfriNIC prefixes after maximum aggregation: 3198
AfriNIC Deaggregation factor: 4.46
Prefixes being announced from the AfriNIC address blocks: 16118
Unique aggregates announced from the AfriNIC address blocks: 5740
AfriNIC Region origin ASes present in the Internet Routing Table: 743
AfriNIC Prefixes per ASN: 21.69
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 173
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 205
Number of AfriNIC addresses announced to Internet: 78315008
Equivalent to 4 /8s, 170 /16s and 254 /24s
Percentage of available AfriNIC address space announced: 77.8
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 5591 4192 76 China Education and Research
7545 3269 353 203 TPG Telecom Limited
4766 3159 11145 1119 Korea Telecom
17974 2919 914 96 PT Telekomunikasi Indonesia
9829 2481 1457 447 National Internet Backbone
4755 2096 432 241 TATA Communications formerly
9808 1843 8717 30 Guangdong Mobile Communicatio
4808 1658 2300 539 CNCGROUP IP network China169
9583 1507 121 563 Sify Limited
38197 1474 91 207 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 3312 2948 143 Cox Communications Inc.
6389 2320 3687 42 BellSouth.net Inc.
18566 2209 394 276 MegaPath Corporation
20115 1924 1937 404 Charter Communications
30036 1747 343 279 Mediacom Communications Corp
6983 1690 849 231 EarthLink, Inc.
4323 1566 1004 384 tw telecom holdings, inc.
209 1549 4620 1232 Qwest Communications Company,
701 1294 10686 702 MCI Communications Services,
11492 1281 240 602 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 2708 143 10 SaudiNet, Saudi Telecom Compa
20940 2408 915 1751 Akamai International B.V.
34984 1964 323 414 TELLCOM ILETISIM HIZMETLERI A
8551 1606 376 55 Bezeq International-Ltd
6849 1152 355 21 JSC "Ukrtelecom"
12479 1151 981 86 France Telecom Espana SA
13188 1079 98 68 TOV "Bank-Inform"
8402 1051 544 15 OJSC "Vimpelcom"
31148 1035 47 41 Freenet Ltd.
9198 941 352 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 3441 538 188 Telmex Colombia S.A.
8151 2219 3318 543 Uninet S.A. de C.V.
7303 1512 940 241 Telecom Argentina S.A.
11830 1477 368 51 Instituto Costarricense de El
6503 1434 453 56 Axtel, S.A.B. de C.V.
6147 1057 377 27 Telefonica del Peru S.A.A.
3816 995 478 185 COLOMBIA TELECOMUNICACIONES S
26615 995 2325 34 Tim Celular S.A.
7738 987 1882 40 Telemar Norte Leste S.A.
28573 881 2177 159 NET Serviços de Comunicação 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
24863 1231 402 40 Link Egypt (Link.NET)
37611 646 48 2 Afrihost-Brevis Computer Serv
36903 587 295 101 Office National des Postes et
8452 559 1472 15 TE-AS
36992 509 1357 25 ETISALAT MISR
37492 394 234 67 Orange Tunisie
24835 329 210 13 Vodafone Data
29571 281 37 12 Cote d'Ivoire Telecom
2018 256 327 74 TENET (The UNINET Project)
36947 234 807 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
4538 5591 4192 76 China Education and Research
10620 3441 538 188 Telmex Colombia S.A.
22773 3312 2948 143 Cox Communications Inc.
7545 3269 353 203 TPG Telecom Limited
4766 3159 11145 1119 Korea Telecom
17974 2919 914 96 PT Telekomunikasi Indonesia
39891 2708 143 10 SaudiNet, Saudi Telecom Compa
9829 2481 1457 447 National Internet Backbone
20940 2408 915 1751 Akamai International B.V.
6389 2320 3687 42 BellSouth.net Inc.
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 3441 3253 Telmex Colombia S.A.
22773 3312 3169 Cox Communications Inc.
7545 3269 3066 TPG Telecom Limited
17974 2919 2823 PT Telekomunikasi Indonesia
39891 2708 2698 SaudiNet, Saudi Telecom Compa
6389 2320 2278 BellSouth.net Inc.
4766 3159 2040 Korea Telecom
9829 2481 2034 National Internet Backbone
18566 2209 1933 MegaPath Corporation
4755 2096 1855 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
16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited
16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited
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
27205 UNALLOCATED 8.38.20.0/24 32787 Prolexic Technologie
27205 UNALLOCATED 8.38.22.0/24 32787 Prolexic Technologie
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<<
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<<
41.73.5.0/24 37004 >>UNKNOWN<<
41.73.6.0/24 37004 >>UNKNOWN<<
41.73.7.0/24 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 /12:267
/13:512 /14:1030 /15:1758 /16:12968 /17:7585 /18:12769
/19:25869 /20:38183 /21:39943 /22:65247 /23:56880 /24:325249
/25:556 /26:598 /27:420 /28:43 /29:32 /30:14
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2708 SaudiNet, Saudi Telecom Compa
22773 2495 3312 Cox Communications Inc.
18566 2111 2209 MegaPath Corporation
30036 1562 1747 Mediacom Communications Corp
6389 1485 2320 BellSouth.net Inc.
10620 1346 3441 Telmex Colombia S.A.
6983 1340 1690 EarthLink, Inc.
34984 1249 1964 TELLCOM ILETISIM HIZMETLERI A
11492 1183 1281 CABLE ONE, INC.
8551 1103 1606 Bezeq International-Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1585 2:730 4:21 5:2058 6:28 8:950
12:1775 13:39 14:1673 15:45 16:2 17:79
18:87 20:48 23:1462 24:1778 27:2268 31:1748
32:57 33:2 34:2 35:5 36:283 37:2258
38:1212 39:24 40:87 41:2768 42:395 43:1708
44:42 45:1799 46:2507 47:74 49:1140 50:840
51:14 52:144 54:221 55:3 56:6 57:45
58:1533 59:867 60:346 61:1810 62:1489 63:1917
64:4471 65:2144 66:4273 67:2155 68:1087 69:3249
70:1060 71:468 72:1984 74:2545 75:339 76:418
77:1371 78:1265 79:1029 80:1316 81:1350 82:931
83:688 84:820 85:1574 86:467 87:1037 88:560
89:1971 90:167 91:6040 92:867 93:2321 94:2315
95:2291 96:476 97:359 98:943 99:45 100:72
101:1026 103:10417 104:2371 105:149 106:397 107:1096
108:683 109:2291 110:1244 111:1655 112:958 113:1166
114:1045 115:1556 116:1609 117:1431 118:2025 119:1593
120:521 121:1163 122:2223 123:2011 124:1566 125:1753
128:702 129:377 130:411 131:1319 132:621 133:174
134:450 135:123 136:373 137:354 138:1712 139:248
140:374 141:464 142:655 143:893 144:628 145:162
146:856 147:688 148:1469 149:500 150:653 151:753
152:608 153:269 154:599 155:949 156:491 157:476
158:345 159:1104 160:459 161:744 162:2280 163:534
164:753 165:1044 166:312 167:1099 168:1730 169:638
170:1572 171:272 172:526 173:1697 174:731 175:722
176:1678 177:3984 178:2211 179:1151 180:2068 181:1743
182:1905 183:689 184:794 185:6207 186:3131 187:2108
188:2124 189:1754 190:7714 191:1218 192:8939 193:5726
194:4365 195:3767 196:1722 197:1089 198:5554 199:5661
200:6924 201:3724 202:10173 203:9618 204:4653 205:2714
206:3013 207:3101 208:4047 209:3791 210:3920 211:2012
212:2663 213:2189 214:843 215:72 216:5776 217:1924
218:765 219:562 220:1672 221:857 222:659 223:971
End of report
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