[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 27 18:12:37 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 28 Feb, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 533931
Prefixes after maximum aggregation (per Origin AS): 204366
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 260046
Total ASes present in the Internet Routing Table: 49503
Prefixes per ASN: 10.79
Origin-only ASes present in the Internet Routing Table: 36475
Origin ASes announcing only one prefix: 16258
Transit ASes present in the Internet Routing Table: 6262
Transit-only ASes present in the Internet Routing Table: 167
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 44
Max AS path prepend of ASN ( 55944) 41
Prefixes from unregistered ASNs in the Routing Table: 1309
Unregistered ASNs in the Routing Table: 429
Number of 32-bit ASNs allocated by the RIRs: 8696
Number of 32-bit ASNs visible in the Routing Table: 6766
Prefixes from 32-bit ASNs in the Routing Table: 24517
Number of bogon 32-bit ASNs visible in the Routing Table: 2
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 368
Number of addresses announced to Internet: 2732743460
Equivalent to 162 /8s, 226 /16s and 91 /24s
Percentage of available address space announced: 73.8
Percentage of allocated address space announced: 73.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.2
Total number of prefixes smaller than registry allocations: 180550
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 131824
Total APNIC prefixes after maximum aggregation: 38376
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 137342
Unique aggregates announced from the APNIC address blocks: 55718
APNIC Region origin ASes present in the Internet Routing Table: 5023
APNIC Prefixes per ASN: 27.34
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 869
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 44
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1320
Number of APNIC addresses announced to Internet: 746245248
Equivalent to 44 /8s, 122 /16s and 204 /24s
Percentage of available APNIC address space announced: 87.2
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: 176333
Total ARIN prefixes after maximum aggregation: 87229
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 178302
Unique aggregates announced from the ARIN address blocks: 83615
ARIN Region origin ASes present in the Internet Routing Table: 16499
ARIN Prefixes per ASN: 10.81
ARIN Region origin ASes announcing only one prefix: 6080
ARIN Region transit ASes present in the Internet Routing Table: 1708
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 357
Number of ARIN addresses announced to Internet: 1061393696
Equivalent to 63 /8s, 67 /16s and 149 /24s
Percentage of available ARIN address space announced: 56.1
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, 393216-394239
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: 129975
Total RIPE prefixes after maximum aggregation: 64648
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 136276
Unique aggregates announced from the RIPE address blocks: 83689
RIPE Region origin ASes present in the Internet Routing Table: 17878
RIPE Prefixes per ASN: 7.62
RIPE Region origin ASes announcing only one prefix: 8135
RIPE Region transit ASes present in the Internet Routing Table: 2968
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: 3474
Number of RIPE addresses announced to Internet: 693542276
Equivalent to 41 /8s, 86 /16s and 157 /24s
Percentage of available RIPE address space announced: 100.8
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, 196608-202239
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: 58681
Total LACNIC prefixes after maximum aggregation: 11081
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 68196
Unique aggregates announced from the LACNIC address blocks: 31605
LACNIC Region origin ASes present in the Internet Routing Table: 2403
LACNIC Prefixes per ASN: 28.38
LACNIC Region origin ASes announcing only one prefix: 623
LACNIC Region transit ASes present in the Internet Routing Table: 484
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1524
Number of LACNIC addresses announced to Internet: 167636224
Equivalent to 9 /8s, 253 /16s and 237 /24s
Percentage of available LACNIC address space announced: 99.9
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: 12406
Total AfriNIC prefixes after maximum aggregation: 2988
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 13447
Unique aggregates announced from the AfriNIC address blocks: 5087
AfriNIC Region origin ASes present in the Internet Routing Table: 737
AfriNIC Prefixes per ASN: 18.25
AfriNIC Region origin ASes announcing only one prefix: 205
AfriNIC Region transit ASes present in the Internet Routing Table: 155
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 91
Number of AfriNIC addresses announced to Internet: 63479296
Equivalent to 3 /8s, 200 /16s and 158 /24s
Percentage of available AfriNIC address space announced: 63.1
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
4766 2909 11553 912 Korea Telecom
17974 2819 904 77 PT Telekomunikasi Indonesia
7545 2566 336 127 TPG Telecom Limited
4755 1986 422 210 TATA Communications formerly
4538 1758 4190 71 China Education and Research
9829 1666 1325 36 National Internet Backbone
9808 1547 8717 29 Guangdong Mobile Communicatio
4808 1450 2228 432 CNCGROUP IP network China169
9583 1398 132 556 Sify Limited
9498 1298 334 96 BHARTI Airtel Ltd.
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 2985 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2565 10700 482 Level 3 Communications, Inc.
18566 2041 379 183 MegaPath Corporation
20115 1850 1830 438 Charter Communications
6983 1625 866 244 EarthLink, Inc.
4323 1620 1037 406 tw telecom holdings, inc.
30036 1518 312 516 Mediacom Communications Corp
701 1391 11268 678 MCI Communications Services,
22561 1328 412 241 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 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 1966 300 355 TELLCOM ILETISIM HIZMETLERI A
20940 1641 641 1214 Akamai International B.V.
8402 1348 544 15 OJSC "Vimpelcom"
6849 1199 356 25 JSC "Ukrtelecom"
13188 1047 98 59 TOV "Bank-Inform"
31148 1045 45 21 Freenet Ltd.
8551 904 373 48 Bezeq International-Ltd
12479 862 792 86 France Telecom Espana SA
9198 850 349 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 2994 489 290 Telmex Colombia S.A.
28573 2324 2142 112 NET Serviços de Comunicação S
7303 1790 1190 230 Telecom Argentina S.A.
6147 1574 374 30 Telefonica del Peru S.A.A.
8151 1550 3117 453 Uninet S.A. de C.V.
6503 1201 421 58 Axtel, S.A.B. de C.V.
7738 1001 1882 42 Telemar Norte Leste S.A.
3816 924 400 150 COLOMBIA TELECOMUNICACIONES S
26615 922 2325 35 Tim Celular S.A.
18881 863 1036 22 Global Village Telecom
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 1415 958 13 TE-AS
24863 963 284 26 Link Egypt (Link.NET)
36903 479 241 90 Office National des Postes et
36992 402 1101 31 ETISALAT MISR
37492 319 155 71 Orange Tunisie
24835 299 144 9 Vodafone Data
3741 250 921 209 Internet Solutions
29571 234 21 12 Cote d'Ivoire Telecom
36947 191 712 14 Telecom Algeria
15706 174 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
10620 2994 489 290 Telmex Colombia S.A.
22773 2985 2955 141 Cox Communications Inc.
4766 2909 11553 912 Korea Telecom
6389 2891 3688 51 BellSouth.net Inc.
17974 2819 904 77 PT Telekomunikasi Indonesia
7545 2566 336 127 TPG Telecom Limited
3356 2565 10700 482 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2324 2142 112 NET Serviços de Comunicação S
18566 2041 379 183 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 2985 2844 Cox Communications Inc.
6389 2891 2840 BellSouth.net Inc.
17974 2819 2742 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2566 2439 TPG Telecom Limited
28573 2324 2212 NET Serviços de Comunicação S
3356 2565 2083 Level 3 Communications, Inc.
4766 2909 1997 Korea Telecom
18566 2041 1858 MegaPath Corporation
4755 1986 1776 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 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
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.64.104.0/22 209 Qwest Communications Company,
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 Bitfinite LLC
23.252.224.0/20 62502 >>UNKNOWN<<
23.252.224.0/21 62502 >>UNKNOWN<<
23.252.232.0/21 62502 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.16.88.0/23 57652 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 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 /9:12 /10:34 /11:92 /12:264
/13:504 /14:994 /15:1723 /16:12962 /17:7136 /18:12168
/19:25053 /20:35715 /21:38496 /22:57710 /23:50459 /24:287681
/25:1078 /26:1112 /27:669 /28:17 /29:14 /30:9
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2201 2985 Cox Communications Inc.
18566 1996 2041 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1364 1518 Mediacom Communications Corp
6983 1314 1625 EarthLink, Inc.
34984 1277 1966 TELLCOM ILETISIM HIZMETLERI A
11492 1125 1188 CABLE ONE, INC.
6147 1118 1574 Telefonica del Peru S.A.A.
10620 1055 2994 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1489 2:671 3:1 4:98 5:1736 6:21
8:1421 12:1843 13:4 14:1304 15:16 16:2
17:42 18:21 20:49 23:1176 24:1673 27:1855
31:1475 32:39 33:2 34:5 35:3 36:119
37:1850 38:1012 39:10 40:234 41:2898 42:259
43:1112 44:25 45:218 46:2147 47:34 49:839
50:783 52:12 54:66 55:5 56:8 57:35
58:1210 59:681 60:462 61:1764 62:1312 63:1913
64:4443 65:2267 66:4092 67:2017 68:1046 69:3280
70:961 71:435 72:1959 74:2603 75:318 76:400
77:1482 78:1263 79:783 80:1316 81:1327 82:819
83:672 84:682 85:1343 86:388 87:1090 88:514
89:1758 90:149 91:5910 92:810 93:2180 94:1976
95:2101 96:431 97:339 98:1056 99:45 100:73
101:801 103:6863 104:1326 105:61 106:217 107:882
108:609 109:2010 110:1077 111:1481 112:747 113:1032
114:837 115:1262 116:1334 117:1022 118:1696 119:1437
120:441 121:1031 122:2182 123:1725 124:1491 125:1560
128:621 129:371 130:380 131:1117 132:477 133:167
134:411 135:88 136:311 137:303 138:502 139:174
140:227 141:419 142:631 143:464 144:529 145:110
146:687 147:561 148:1107 149:459 150:562 151:600
152:517 153:239 154:388 155:729 156:402 157:331
158:264 159:990 160:370 161:633 162:1914 163:409
164:665 165:674 166:324 167:704 168:1005 169:161
170:1458 171:225 172:41 173:1584 174:687 175:624
176:1465 177:3748 178:2076 179:867 180:1926 181:1603
182:1723 183:607 184:761 185:3009 186:2660 187:1835
188:2034 189:1565 190:7659 191:901 192:8119 193:5567
194:4066 195:3634 196:1625 197:978 198:5480 199:5518
200:6542 201:3000 202:9563 203:9078 204:4658 205:2733
206:2992 207:2993 208:3950 209:3913 210:3484 211:1846
212:2477 213:2274 214:844 215:69 216:5537 217:1803
218:667 219:468 220:1432 221:790 222:464 223:656
End of report
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