[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 21 18:13:35 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, LacNOG,
TRNOG, 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 22 Mar, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 488304
Prefixes after maximum aggregation: 192289
Deaggregation factor: 2.54
Unique aggregates announced to Internet: 240828
Total ASes present in the Internet Routing Table: 46406
Prefixes per ASN: 10.52
Origin-only ASes present in the Internet Routing Table: 35677
Origin ASes announcing only one prefix: 16383
Transit ASes present in the Internet Routing Table: 6041
Transit-only ASes present in the Internet Routing Table: 169
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1866
Unregistered ASNs in the Routing Table: 475
Number of 32-bit ASNs allocated by the RIRs: 6186
Number of 32-bit ASNs visible in the Routing Table: 4688
Prefixes from 32-bit ASNs in the Routing Table: 15130
Number of bogon 32-bit ASNs visible in the Routing Table: 32
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 442
Number of addresses announced to Internet: 2659727108
Equivalent to 158 /8s, 136 /16s and 55 /24s
Percentage of available address space announced: 71.8
Percentage of allocated address space announced: 71.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.9
Total number of prefixes smaller than registry allocations: 170366
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 115939
Total APNIC prefixes after maximum aggregation: 34611
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 118564
Unique aggregates announced from the APNIC address blocks: 49644
APNIC Region origin ASes present in the Internet Routing Table: 4895
APNIC Prefixes per ASN: 24.22
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 858
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 869
Number of APNIC addresses announced to Internet: 729638528
Equivalent to 43 /8s, 125 /16s and 102 /24s
Percentage of available APNIC address space announced: 85.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 166691
Total ARIN prefixes after maximum aggregation: 82932
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 168175
Unique aggregates announced from the ARIN address blocks: 78137
ARIN Region origin ASes present in the Internet Routing Table: 16196
ARIN Prefixes per ASN: 10.38
ARIN Region origin ASes announcing only one prefix: 6119
ARIN Region transit ASes present in the Internet Routing Table: 1660
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 76
Number of ARIN addresses announced to Internet: 1067388032
Equivalent to 63 /8s, 159 /16s and 12 /24s
Percentage of available ARIN address space announced: 56.5
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: 122945
Total RIPE prefixes after maximum aggregation: 62062
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 126909
Unique aggregates announced from the RIPE address blocks: 80365
RIPE Region origin ASes present in the Internet Routing Table: 17647
RIPE Prefixes per ASN: 7.19
RIPE Region origin ASes announcing only one prefix: 8290
RIPE Region transit ASes present in the Internet Routing Table: 2862
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2672
Number of RIPE addresses announced to Internet: 657136260
Equivalent to 39 /8s, 43 /16s and 26 /24s
Percentage of available RIPE address space announced: 95.5
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: 55145
Total LACNIC prefixes after maximum aggregation: 9992
LACNIC Deaggregation factor: 5.52
Prefixes being announced from the LACNIC address blocks: 61211
Unique aggregates announced from the LACNIC address blocks: 28016
LACNIC Region origin ASes present in the Internet Routing Table: 2078
LACNIC Prefixes per ASN: 29.46
LACNIC Region origin ASes announcing only one prefix: 544
LACNIC Region transit ASes present in the Internet Routing Table: 427
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1057
Number of LACNIC addresses announced to Internet: 153329024
Equivalent to 9 /8s, 35 /16s and 157 /24s
Percentage of available LACNIC address space announced: 91.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus 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: 12339
Total AfriNIC prefixes after maximum aggregation: 2655
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 13003
Unique aggregates announced from the AfriNIC address blocks: 4293
AfriNIC Region origin ASes present in the Internet Routing Table: 708
AfriNIC Prefixes per ASN: 18.37
AfriNIC Region origin ASes announcing only one prefix: 205
AfriNIC Region transit ASes present in the Internet Routing Table: 153
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 51886592
Equivalent to 3 /8s, 23 /16s and 186 /24s
Percentage of available AfriNIC address space announced: 51.5
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
4766 2980 11582 897 Korea Telecom
17974 2765 903 78 PT Telekomunikasi Indonesia
7545 2225 320 116 TPG Telecom Limited
4755 1840 396 197 TATA Communications formerly
9829 1604 1288 35 National Internet Backbone
4808 1350 2225 386 CNCGROUP IP network China169
9583 1307 102 533 Sify Limited
9498 1246 312 78 BHARTI Airtel Ltd.
7552 1228 1082 13 Viettel Corporation
24560 1124 384 177 Bharti Airtel Ltd., Telemedia
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 3013 3688 53 BellSouth.net Inc.
22773 2417 2938 140 Cox Communications Inc.
1785 2185 694 128 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
20115 1694 1674 575 Charter Communications
4323 1624 1089 412 tw telecom holdings, inc.
701 1492 11174 763 MCI Communications Services,
30036 1391 301 556 Mediacom Communications Corp
6983 1328 800 308 ITC^Deltacom
22561 1304 402 232 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
8402 1751 544 16 OJSC "Vimpelcom"
34984 1519 264 248 TELLCOM ILETISIM HIZMETLERI A
20940 1300 508 970 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
31148 1017 45 21 Freenet Ltd.
8551 951 370 41 Bezeq International-Ltd
6849 861 361 34 JSC "Ukrtelecom"
6830 762 2329 425 Liberty Global Operations B.V
12479 714 797 56 France Telecom Espana SA
35228 555 246 16 Telefonica UK Limited
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
28573 3624 1943 94 NET Serviços de Comunicação S
10620 2789 446 199 Telmex Colombia S.A.
18881 1917 972 21 Global Village Telecom
7303 1746 1172 218 Telecom Argentina S.A.
8151 1394 2916 410 Uninet S.A. de C.V.
6503 1157 434 61 Axtel, S.A.B. de C.V.
7738 912 1754 40 Telemar Norte Leste S.A.
11830 866 364 15 Instituto Costarricense de El
27947 856 113 48 Telconet S.A
6147 787 373 27 Telefonica del Peru S.A.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
36998 1637 240 6 Sudanese Mobile Telephone (ZA
24863 931 280 26 Link Egypt (Link.NET)
6713 603 701 28 Office National des Postes et
8452 520 958 13 TE-AS
24835 298 144 9 Vodafone Data
36992 282 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
37054 215 19 6 Data Telecom Service
29571 211 22 18 Cote d'Ivoire Telecom
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
28573 3624 1943 94 NET Serviços de Comunicação S
6389 3013 3688 53 BellSouth.net Inc.
4766 2980 11582 897 Korea Telecom
10620 2789 446 199 Telmex Colombia S.A.
17974 2765 903 78 PT Telekomunikasi Indonesia
22773 2417 2938 140 Cox Communications Inc.
7545 2225 320 116 TPG Telecom Limited
1785 2185 694 128 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
18881 1917 972 21 Global Village Telecom
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 3013 2960 BellSouth.net Inc.
17974 2765 2687 PT Telekomunikasi Indonesia
10620 2789 2590 Telmex Colombia S.A.
22773 2417 2277 Cox Communications Inc.
7545 2225 2109 TPG Telecom Limited
4766 2980 2083 Korea Telecom
1785 2185 2057 PaeTec Communications, Inc.
18881 1917 1896 Global Village Telecom
18566 2048 1870 MegaPath Corporation
8402 1751 1735 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS
65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS
65456 PRIVATE 5.245.224.0/19 23456 32bit Transition AS
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 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<<
41.73.14.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 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 /10:30 /11:90 /12:254
/13:477 /14:951 /15:1653 /16:12881 /17:6771 /18:11528
/19:23967 /20:33847 /21:36515 /22:52055 /23:45570 /24:259380
/25:816 /26:1000 /27:414 /28:12 /29:18 /30:8
/31:1 /32:38
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2003 2048 MegaPath Corporation
6389 1696 3013 BellSouth.net Inc.
22773 1654 2417 Cox Communications Inc.
36998 1599 1637 Sudanese Mobile Telephone (ZA
8402 1430 1751 OJSC "Vimpelcom"
30036 1229 1391 Mediacom Communications Corp
11492 1175 1222 CABLE ONE, INC.
1785 1169 2185 PaeTec Communications, Inc.
6983 1044 1328 ITC^Deltacom
34984 1004 1519 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:994 2:727 3:3 4:16 5:908 6:19
8:715 12:1863 13:4 14:977 15:13 16:3
17:31 18:21 20:35 23:745 24:1725 27:1763
31:1513 32:44 33:2 34:5 36:122 37:1828
38:942 39:4 40:195 41:3133 42:245 44:18
46:2144 47:18 49:671 50:915 52:12 54:47
55:7 57:26 58:1161 59:596 60:381 61:1525
62:1246 63:1985 64:4357 65:2259 66:4226 67:2044
68:1033 69:3288 70:850 71:461 72:1971 74:2662
75:314 76:406 77:1219 78:1041 79:699 80:1322
81:1134 82:681 83:755 84:754 85:1308 86:436
87:1198 88:521 89:1759 90:151 91:5801 92:668
93:1710 94:2055 95:1507 96:541 97:350 98:1077
99:46 100:50 101:819 103:4460 105:553 106:166
107:575 108:554 109:2016 110:979 111:1300 112:655
113:832 114:873 115:1107 116:1040 117:881 118:1358
119:1328 120:374 121:793 122:1920 123:1279 124:1453
125:1480 128:653 129:245 130:343 131:656 132:358
133:159 134:318 135:74 136:248 137:319 138:349
139:159 140:212 141:358 142:560 143:428 144:508
145:103 146:599 147:430 148:798 149:344 150:156
151:588 152:424 153:206 154:234 155:467 156:336
157:344 158:219 159:876 160:350 161:478 162:1258
163:222 164:680 165:619 166:280 167:602 168:1027
169:124 170:1287 171:192 172:23 173:1599 174:681
175:605 176:1465 177:2829 178:1945 179:606 180:1666
181:1022 182:1518 183:508 184:719 185:1421 186:2846
187:1479 188:1871 189:1430 190:7462 191:121 192:7167
193:5457 194:4015 195:3386 196:1367 197:1110 198:4983
199:5608 200:6051 201:2660 202:8969 203:8912 204:4668
205:2691 206:2933 207:2949 208:3953 209:3732 210:3084
211:1694 212:2225 213:2053 214:887 215:84 216:5532
217:1692 218:562 219:317 220:1284 221:594 222:350
223:609
End of report
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