[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 20 18:11:52 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 21 Mar, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 537248
Prefixes after maximum aggregation (per Origin AS): 205386
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 262112
Total ASes present in the Internet Routing Table: 49750
Prefixes per ASN: 10.80
Origin-only ASes present in the Internet Routing Table: 36563
Origin ASes announcing only one prefix: 16283
Transit ASes present in the Internet Routing Table: 6263
Transit-only ASes present in the Internet Routing Table: 168
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 59
Max AS path prepend of ASN ( 55644) 56
Prefixes from unregistered ASNs in the Routing Table: 1246
Unregistered ASNs in the Routing Table: 420
Number of 32-bit ASNs allocated by the RIRs: 8933
Number of 32-bit ASNs visible in the Routing Table: 6924
Prefixes from 32-bit ASNs in the Routing Table: 25162
Number of bogon 32-bit ASNs visible in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 386
Number of addresses announced to Internet: 2735724964
Equivalent to 163 /8s, 15 /16s and 217 /24s
Percentage of available address space announced: 73.9
Percentage of allocated address space announced: 73.9
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: 181358
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 132643
Total APNIC prefixes after maximum aggregation: 38539
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 138315
Unique aggregates announced from the APNIC address blocks: 56317
APNIC Region origin ASes present in the Internet Routing Table: 5029
APNIC Prefixes per ASN: 27.50
APNIC Region origin ASes announcing only one prefix: 1206
APNIC Region transit ASes present in the Internet Routing Table: 874
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 59
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1356
Number of APNIC addresses announced to Internet: 746249984
Equivalent to 44 /8s, 122 /16s and 223 /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: 177154
Total ARIN prefixes after maximum aggregation: 87591
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 179130
Unique aggregates announced from the ARIN address blocks: 84060
ARIN Region origin ASes present in the Internet Routing Table: 16522
ARIN Prefixes per ASN: 10.84
ARIN Region origin ASes announcing only one prefix: 6075
ARIN Region transit ASes present in the Internet Routing Table: 1704
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 377
Number of ARIN addresses announced to Internet: 1062603040
Equivalent to 63 /8s, 86 /16s and 9 /24s
Percentage of available ARIN address space announced: 56.2
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: 130585
Total RIPE prefixes after maximum aggregation: 65064
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 136953
Unique aggregates announced from the RIPE address blocks: 84165
RIPE Region origin ASes present in the Internet Routing Table: 17924
RIPE Prefixes per ASN: 7.64
RIPE Region origin ASes announcing only one prefix: 8174
RIPE Region transit ASes present in the Internet Routing Table: 2957
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: 3523
Number of RIPE addresses announced to Internet: 694199940
Equivalent to 41 /8s, 96 /16s and 166 /24s
Percentage of available RIPE address space announced: 100.9
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: 58812
Total LACNIC prefixes after maximum aggregation: 11136
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 68652
Unique aggregates announced from the LACNIC address blocks: 32063
LACNIC Region origin ASes present in the Internet Routing Table: 2414
LACNIC Prefixes per ASN: 28.44
LACNIC Region origin ASes announcing only one prefix: 621
LACNIC Region transit ASes present in the Internet Routing Table: 492
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1567
Number of LACNIC addresses announced to Internet: 168071168
Equivalent to 10 /8s, 4 /16s and 144 /24s
Percentage of available LACNIC address space announced: 100.2
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: 12709
Total AfriNIC prefixes after maximum aggregation: 3012
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 13812
Unique aggregates announced from the AfriNIC address blocks: 5157
AfriNIC Region origin ASes present in the Internet Routing Table: 739
AfriNIC Prefixes per ASN: 18.69
AfriNIC Region origin ASes announcing only one prefix: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 159
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 101
Number of AfriNIC addresses announced to Internet: 64104960
Equivalent to 3 /8s, 210 /16s and 42 /24s
Percentage of available AfriNIC address space announced: 63.7
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 2870 11553 913 Korea Telecom
17974 2797 904 78 PT Telekomunikasi Indonesia
7545 2541 336 126 TPG Telecom Limited
4755 1998 422 212 TATA Communications formerly
4538 1761 4190 71 China Education and Research
9829 1694 1326 39 National Internet Backbone
9808 1552 8717 28 Guangdong Mobile Communicatio
4808 1472 2243 438 CNCGROUP IP network China169
9583 1398 132 556 Sify Limited
9498 1309 334 94 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 3024 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2549 10683 477 Level 3 Communications, Inc.
18566 2041 379 183 MegaPath Corporation
20115 1848 1831 428 Charter Communications
6983 1704 866 245 EarthLink, Inc.
4323 1618 1021 408 tw telecom holdings, inc.
30036 1529 313 496 Mediacom Communications Corp
701 1391 11272 679 MCI Communications Services,
22561 1332 412 242 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 1976 303 361 TELLCOM ILETISIM HIZMETLERI A
20940 1633 634 1215 Akamai International B.V.
8402 1358 544 15 OJSC "Vimpelcom"
6849 1213 356 24 JSC "Ukrtelecom"
31148 1046 45 21 Freenet Ltd.
13188 1022 96 72 TOV "Bank-Inform"
8551 903 373 48 Bezeq International-Ltd
12479 883 799 85 France Telecom Espana SA
9198 854 349 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 3152 514 196 Telmex Colombia S.A.
28573 2331 2171 122 NET Serviços de Comunicação S
7303 1781 1178 234 Telecom Argentina S.A.
6147 1581 374 30 Telefonica del Peru S.A.A.
8151 1553 3136 452 Uninet S.A. de C.V.
6503 1207 421 57 Axtel, S.A.B. de C.V.
7738 1001 1882 42 Telemar Norte Leste S.A.
26615 955 2325 35 Tim Celular S.A.
3816 918 408 152 COLOMBIA TELECOMUNICACIONES S
18881 866 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 1638 958 13 TE-AS
24863 953 284 27 Link Egypt (Link.NET)
36903 479 241 90 Office National des Postes et
36992 406 1101 32 ETISALAT MISR
37492 317 159 70 Orange Tunisie
24835 299 144 9 Vodafone Data
3741 250 921 209 Internet Solutions
29571 233 21 13 Cote d'Ivoire Telecom
36947 191 807 13 Telecom Algeria
15706 172 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 3152 514 196 Telmex Colombia S.A.
22773 3024 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
4766 2870 11553 913 Korea Telecom
17974 2797 904 78 PT Telekomunikasi Indonesia
3356 2549 10683 477 Level 3 Communications, Inc.
7545 2541 336 126 TPG Telecom Limited
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2331 2171 122 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 3024 2883 Cox Communications Inc.
6389 2891 2840 BellSouth.net Inc.
17974 2797 2719 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2541 2415 TPG Telecom Limited
28573 2331 2209 NET Serviços de Comunicação S
3356 2549 2072 Level 3 Communications, Inc.
4766 2870 1957 Korea Telecom
18566 2041 1858 MegaPath Corporation
4755 1998 1786 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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 Bitfinite LLC
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 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
/13:506 /14:1000 /15:1720 /16:12965 /17:7188 /18:12207
/19:25237 /20:35850 /21:38583 /22:58302 /23:50708 /24:289609
/25:1087 /26:1161 /27:661 /28:14 /29:11 /30:8
/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 2237 3024 Cox Communications Inc.
18566 1996 2041 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1375 1529 Mediacom Communications Corp
6983 1351 1704 EarthLink, Inc.
34984 1281 1976 TELLCOM ILETISIM HIZMETLERI A
6147 1129 1581 Telefonica del Peru S.A.A.
10620 1110 3152 Telmex Colombia S.A.
11492 1101 1165 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1535 2:676 3:1 4:95 5:1754 6:21
8:1435 12:1829 13:4 14:1310 15:17 16:2
17:45 18:21 20:48 23:1202 24:1680 27:1856
31:1506 32:39 33:2 34:5 35:3 36:120
37:1878 38:1012 39:9 40:238 41:2979 42:260
43:1224 44:27 45:311 46:2134 47:34 49:843
50:794 52:12 54:69 55:7 56:8 57:37
58:1214 59:685 60:467 61:1782 62:1316 63:1913
64:4446 65:2264 66:4113 67:2043 68:1076 69:3256
70:955 71:442 72:1968 74:2602 75:319 76:406
77:1492 78:1249 79:806 80:1323 81:1354 82:822
83:675 84:688 85:1354 86:386 87:1063 88:514
89:1776 90:151 91:5945 92:830 93:2183 94:1949
95:2088 96:428 97:343 98:1071 99:45 100:68
101:802 103:7021 104:1422 105:63 106:222 107:903
108:617 109:1999 110:1083 111:1480 112:763 113:1052
114:837 115:1253 116:1351 117:1013 118:1688 119:1442
120:443 121:1050 122:2180 123:1728 124:1506 125:1583
128:623 129:379 130:380 131:1154 132:487 133:167
134:416 135:111 136:305 137:309 138:538 139:164
140:237 141:421 142:640 143:483 144:566 145:107
146:716 147:588 148:1108 149:447 150:556 151:609
152:492 153:239 154:387 155:742 156:407 157:331
158:269 159:978 160:374 161:645 162:1938 163:414
164:659 165:674 166:285 167:689 168:1270 169:154
170:1436 171:240 172:41 173:1532 174:702 175:651
176:1432 177:3803 178:2073 179:873 180:1902 181:1644
182:1732 183:614 184:736 185:3122 186:2621 187:1803
188:1999 189:1591 190:7617 191:952 192:8166 193:5603
194:4092 195:3655 196:1718 197:1084 198:5508 199:5514
200:6540 201:3023 202:9507 203:9065 204:4627 205:2747
206:2983 207:2999 208:3940 209:3925 210:3514 211:1862
212:2485 213:2268 214:868 215:70 216:5544 217:1806
218:676 219:451 220:1429 221:789 222:466 223:658
End of report
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