[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 28 18:11:41 UTC 2014
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 29 Nov, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 519301
Prefixes after maximum aggregation: 200376
Deaggregation factor: 2.59
Unique aggregates announced to Internet: 254950
Total ASes present in the Internet Routing Table: 48708
Prefixes per ASN: 10.66
Origin-only ASes present in the Internet Routing Table: 36301
Origin ASes announcing only one prefix: 16312
Transit ASes present in the Internet Routing Table: 6231
Transit-only ASes present in the Internet Routing Table: 178
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 73
Max AS path prepend of ASN ( 55644) 66
Prefixes from unregistered ASNs in the Routing Table: 1637
Unregistered ASNs in the Routing Table: 425
Number of 32-bit ASNs allocated by the RIRs: 8032
Number of 32-bit ASNs visible in the Routing Table: 6176
Prefixes from 32-bit ASNs in the Routing Table: 22081
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 357
Number of addresses announced to Internet: 2713210500
Equivalent to 161 /8s, 184 /16s and 78 /24s
Percentage of available address space announced: 73.3
Percentage of allocated address space announced: 73.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.0
Total number of prefixes smaller than registry allocations: 176990
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 127927
Total APNIC prefixes after maximum aggregation: 37096
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 132411
Unique aggregates announced from the APNIC address blocks: 54049
APNIC Region origin ASes present in the Internet Routing Table: 4994
APNIC Prefixes per ASN: 26.51
APNIC Region origin ASes announcing only one prefix: 1201
APNIC Region transit ASes present in the Internet Routing Table: 872
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 73
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1193
Number of APNIC addresses announced to Internet: 737464576
Equivalent to 43 /8s, 244 /16s and 209 /24s
Percentage of available APNIC address space announced: 86.2
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: 171629
Total ARIN prefixes after maximum aggregation: 85549
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 173623
Unique aggregates announced from the ARIN address blocks: 82104
ARIN Region origin ASes present in the Internet Routing Table: 16388
ARIN Prefixes per ASN: 10.59
ARIN Region origin ASes announcing only one prefix: 6078
ARIN Region transit ASes present in the Internet Routing Table: 1712
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 268
Number of ARIN addresses announced to Internet: 1054144704
Equivalent to 62 /8s, 212 /16s and 248 /24s
Percentage of available ARIN address space announced: 55.8
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: 126322
Total RIPE prefixes after maximum aggregation: 63818
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 132057
Unique aggregates announced from the RIPE address blocks: 82786
RIPE Region origin ASes present in the Internet Routing Table: 17826
RIPE Prefixes per ASN: 7.41
RIPE Region origin ASes announcing only one prefix: 8181
RIPE Region transit ASes present in the Internet Routing Table: 2933
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3235
Number of RIPE addresses announced to Internet: 692427396
Equivalent to 41 /8s, 69 /16s and 154 /24s
Percentage of available RIPE address space announced: 100.7
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: 58799
Total LACNIC prefixes after maximum aggregation: 10857
LACNIC Deaggregation factor: 5.42
Prefixes being announced from the LACNIC address blocks: 67561
Unique aggregates announced from the LACNIC address blocks: 30814
LACNIC Region origin ASes present in the Internet Routing Table: 2378
LACNIC Prefixes per ASN: 28.41
LACNIC Region origin ASes announcing only one prefix: 644
LACNIC Region transit ASes present in the Internet Routing Table: 472
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1406
Number of LACNIC addresses announced to Internet: 167660608
Equivalent to 9 /8s, 254 /16s and 76 /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: 12415
Total AfriNIC prefixes after maximum aggregation: 3012
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 13292
Unique aggregates announced from the AfriNIC address blocks: 4879
AfriNIC Region origin ASes present in the Internet Routing Table: 738
AfriNIC Prefixes per ASN: 18.01
AfriNIC Region origin ASes announcing only one prefix: 208
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: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 74
Number of AfriNIC addresses announced to Internet: 60115456
Equivalent to 3 /8s, 149 /16s and 74 /24s
Percentage of available AfriNIC address space announced: 59.7
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 2957 11585 931 Korea Telecom
17974 2840 904 77 PT Telekomunikasi Indonesia
7545 2466 337 129 TPG Telecom Limited
4755 1930 416 192 TATA Communications formerly
9829 1671 1323 28 National Internet Backbone
4538 1547 4190 71 China Education and Research
9808 1495 6655 16 Guangdong Mobile Communicatio
4808 1429 2213 427 CNCGROUP IP network China169
9583 1365 112 563 Sify Limited
9498 1318 334 95 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
6389 2892 3688 51 BellSouth.net Inc.
22773 2851 2956 144 Cox Communications Inc.
18566 2044 379 183 MegaPath Corporation
20115 1827 1805 472 Charter Communications
4323 1643 1053 412 tw telecom holdings, inc.
6983 1629 867 251 EarthLink, Inc.
30036 1503 312 594 Mediacom Communications Corp
701 1424 11265 704 MCI Communications Services,
22561 1310 411 244 CenturyTel Internet Holdings,
11492 1227 217 532 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
34984 1898 298 356 TELLCOM ILETISIM HIZMETLERI A
20940 1509 588 1114 Akamai International B.V.
8402 1377 544 15 OJSC "Vimpelcom"
31148 1045 45 21 Freenet Ltd.
13188 997 95 60 TOV "Bank-Inform"
8551 900 373 44 Bezeq International-Ltd
6849 834 356 26 JSC "Ukrtelecom"
9198 824 346 32 JSC Kazakhtelecom
6830 817 2339 439 Liberty Global Operations B.V
12479 777 788 94 France Telecom Espana SA
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 3046 494 247 Telmex Colombia S.A.
28573 2322 2263 110 NET Serviços de Comunicação S
6147 1806 374 30 Telefonica del Peru S.A.A.
7303 1733 1123 242 Telecom Argentina S.A.
8151 1481 3031 423 Uninet S.A. de C.V.
6503 1228 433 58 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
26615 914 2325 35 Tim Celular S.A.
3816 907 394 146 COLOMBIA TELECOMUNICACIONES S
27947 886 129 50 Telconet 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 1410 958 13 TE-AS
24863 958 280 26 Link Egypt (Link.NET)
36903 415 209 129 Office National des Postes et
36992 368 824 29 ETISALAT MISR
24835 308 144 9 Vodafone Data
37492 291 133 61 Orange Tunisie
37054 257 19 6 Data Telecom Service
3741 249 920 212 Internet Solutions
29571 245 22 17 Cote d'Ivoire Telecom
37457 185 160 4 Telkom SA Ltd.
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 3046 494 247 Telmex Colombia S.A.
4766 2957 11585 931 Korea Telecom
6389 2892 3688 51 BellSouth.net Inc.
22773 2851 2956 144 Cox Communications Inc.
17974 2840 904 77 PT Telekomunikasi Indonesia
7545 2466 337 129 TPG Telecom Limited
28573 2322 2263 110 NET Serviços de Comunicação S
18566 2044 379 183 MegaPath Corporation
4755 1930 416 192 TATA Communications formerly
34984 1898 298 356 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2892 2841 BellSouth.net Inc.
17974 2840 2763 PT Telekomunikasi Indonesia
22773 2851 2707 Cox Communications Inc.
7545 2466 2337 TPG Telecom Limited
28573 2322 2212 NET Serviços de Comunicação S
4766 2957 2026 Korea Telecom
18566 2044 1861 MegaPath Corporation
6147 1806 1776 Telefonica del Peru S.A.A.
4755 1930 1738 TATA Communications formerly
9829 1671 1643 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
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 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
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
23.252.224.0/20 62502 Xnet Media LLC
23.252.224.0/21 62502 Xnet Media LLC
23.252.232.0/21 62502 Xnet Media LLC
24.231.96.0/24 21548 MTO Telecom Inc.
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<<
41.73.2.0/24 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 /10:31 /11:92 /12:264
/13:500 /14:999 /15:1726 /16:13044 /17:7143 /18:11921
/19:24778 /20:35343 /21:37591 /22:55689 /23:48420 /24:278771
/25:1110 /26:1089 /27:704 /28:16 /29:19 /30:11
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2063 2851 Cox Communications Inc.
18566 1999 2044 MegaPath Corporation
6389 1672 2892 BellSouth.net Inc.
6147 1357 1806 Telefonica del Peru S.A.A.
30036 1349 1503 Mediacom Communications Corp
6983 1309 1629 EarthLink, Inc.
34984 1205 1898 TELLCOM ILETISIM HIZMETLERI A
11492 1172 1227 CABLE ONE, INC.
10620 1077 3046 Telmex Colombia S.A.
8402 1042 1377 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1364 2:676 3:3 4:16 5:1226 6:23
8:770 12:1845 13:5 14:1193 15:17 16:2
17:42 18:21 20:51 23:1022 24:1671 27:1805
31:1407 32:39 33:2 34:5 36:153 37:1851
38:976 39:14 40:225 41:2998 42:272 43:695
44:19 45:84 46:2104 47:30 49:762 50:795
52:12 54:60 55:6 56:6 57:31 58:1158
59:661 60:449 61:1706 62:1303 63:1843 64:4397
65:2282 66:4109 67:2007 68:1046 69:3263 70:873
71:434 72:1982 74:2601 75:321 76:410 77:1522
78:956 79:782 80:1328 81:1278 82:816 83:672
84:673 85:1356 86:448 87:1190 88:507 89:1827
90:140 91:5832 92:797 93:1667 94:1948 95:1305
96:426 97:341 98:1030 99:48 100:67 101:759
103:6173 104:745 105:171 106:190 107:866 108:609
109:1998 110:1054 111:1426 112:732 113:917 114:802
115:1220 116:1233 117:1008 118:1596 119:1363 120:442
121:989 122:2209 123:1704 124:1460 125:1544 128:653
129:391 130:382 131:987 132:429 133:164 134:324
135:83 136:332 137:303 138:388 139:162 140:225
141:423 142:636 143:435 144:508 145:112 146:694
147:561 148:1059 149:400 150:519 151:646 152:482
153:247 154:413 155:640 156:386 157:332 158:251
159:935 160:335 161:616 162:1819 163:373 164:645
165:674 166:300 167:702 168:1162 169:130 170:1423
171:215 172:60 173:1583 174:708 175:585 176:1550
177:3690 178:2109 179:790 180:1813 181:1637 182:1672
183:527 184:705 185:2408 186:2925 187:1667 188:2018
189:1531 190:7925 191:818 192:7846 193:5563 194:4064
195:3616 196:1653 197:842 198:5340 199:5466 200:6536
201:2949 202:9453 203:9006 204:4687 205:2680 206:3003
207:2972 208:3924 209:3809 210:3465 211:1846 212:2452
213:2207 214:833 215:87 216:5610 217:1716 218:650
219:398 220:1298 221:773 222:439 223:662
End of report
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