[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 11 18:11:52 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 12 Apr, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 490753
Prefixes after maximum aggregation: 193016
Deaggregation factor: 2.54
Unique aggregates announced to Internet: 242489
Total ASes present in the Internet Routing Table: 46574
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 35707
Origin ASes announcing only one prefix: 16364
Transit ASes present in the Internet Routing Table: 6067
Transit-only ASes present in the Internet Routing Table: 173
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1855
Unregistered ASNs in the Routing Table: 471
Number of 32-bit ASNs allocated by the RIRs: 6366
Number of 32-bit ASNs visible in the Routing Table: 4800
Prefixes from 32-bit ASNs in the Routing Table: 15763
Number of bogon 32-bit ASNs visible in the Routing Table: 95
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 493
Number of addresses announced to Internet: 2667159300
Equivalent to 158 /8s, 249 /16s and 159 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.1
Total number of prefixes smaller than registry allocations: 171113
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 116260
Total APNIC prefixes after maximum aggregation: 34801
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 119063
Unique aggregates announced from the APNIC address blocks: 49824
APNIC Region origin ASes present in the Internet Routing Table: 4911
APNIC Prefixes per ASN: 24.24
APNIC Region origin ASes announcing only one prefix: 1222
APNIC Region transit ASes present in the Internet Routing Table: 859
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 906
Number of APNIC addresses announced to Internet: 729825408
Equivalent to 43 /8s, 128 /16s and 64 /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: 167314
Total ARIN prefixes after maximum aggregation: 82965
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 168705
Unique aggregates announced from the ARIN address blocks: 78477
ARIN Region origin ASes present in the Internet Routing Table: 16199
ARIN Prefixes per ASN: 10.41
ARIN Region origin ASes announcing only one prefix: 6096
ARIN Region transit ASes present in the Internet Routing Table: 1676
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 84
Number of ARIN addresses announced to Internet: 1068639616
Equivalent to 63 /8s, 178 /16s and 37 /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: 123278
Total RIPE prefixes after maximum aggregation: 62465
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 127543
Unique aggregates announced from the RIPE address blocks: 81103
RIPE Region origin ASes present in the Internet Routing Table: 17665
RIPE Prefixes per ASN: 7.22
RIPE Region origin ASes announcing only one prefix: 8294
RIPE Region transit ASes present in the Internet Routing Table: 2864
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: 2686
Number of RIPE addresses announced to Internet: 657604740
Equivalent to 39 /8s, 50 /16s and 64 /24s
Percentage of available RIPE address space announced: 95.6
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: 55643
Total LACNIC prefixes after maximum aggregation: 10081
LACNIC Deaggregation factor: 5.52
Prefixes being announced from the LACNIC address blocks: 61878
Unique aggregates announced from the LACNIC address blocks: 28388
LACNIC Region origin ASes present in the Internet Routing Table: 2085
LACNIC Prefixes per ASN: 29.68
LACNIC Region origin ASes announcing only one prefix: 551
LACNIC Region transit ASes present in the Internet Routing Table: 434
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1102
Number of LACNIC addresses announced to Internet: 157533312
Equivalent to 9 /8s, 99 /16s and 196 /24s
Percentage of available LACNIC address space announced: 93.9
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: 12389
Total AfriNIC prefixes after maximum aggregation: 2666
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 13071
Unique aggregates announced from the AfriNIC address blocks: 4272
AfriNIC Region origin ASes present in the Internet Routing Table: 715
AfriNIC Prefixes per ASN: 18.28
AfriNIC Region origin ASes announcing only one prefix: 201
AfriNIC Region transit ASes present in the Internet Routing Table: 151
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 22
Number of AfriNIC addresses announced to Internet: 53141504
Equivalent to 3 /8s, 42 /16s and 224 /24s
Percentage of available AfriNIC address space announced: 52.8
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
4766 2919 11589 898 Korea Telecom
17974 2780 903 78 PT Telekomunikasi Indonesia
7545 2216 320 115 TPG Telecom Limited
4755 1843 396 197 TATA Communications formerly
9829 1622 1288 35 National Internet Backbone
4808 1366 2226 386 CNCGROUP IP network China169
9583 1317 102 534 Sify Limited
9498 1245 310 75 BHARTI Airtel Ltd.
7552 1223 1082 13 Viettel Corporation
24560 1123 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 2997 3688 53 BellSouth.net Inc.
22773 2411 2938 137 Cox Communications Inc.
1785 2192 697 130 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
20115 1702 1683 581 Charter Communications
4323 1635 1074 416 tw telecom holdings, inc.
701 1480 11156 751 MCI Communications Services,
30036 1395 301 545 Mediacom Communications Corp
22561 1309 402 232 CenturyTel Internet Holdings,
7018 1268 18243 831 AT&T Services, 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
8402 1649 544 16 OJSC "Vimpelcom"
34984 1555 263 278 TELLCOM ILETISIM HIZMETLERI A
20940 1294 495 981 Akamai International B.V.
31148 1017 45 21 Freenet Ltd.
13188 945 94 109 TOV "Bank-Inform"
8551 927 370 41 Bezeq International-Ltd
6849 830 360 30 JSC "Ukrtelecom"
6830 763 2329 426 Liberty Global Operations B.V
12479 718 797 56 France Telecom Espana SA
35228 553 245 17 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 3662 1948 97 NET Serviços de Comunicação S
10620 2820 454 211 Telmex Colombia S.A.
18881 1922 972 21 Global Village Telecom
7303 1753 1173 229 Telecom Argentina S.A.
8151 1398 2940 404 Uninet S.A. de C.V.
6503 1154 434 60 Axtel, S.A.B. de C.V.
7738 914 1754 40 Telemar Norte Leste S.A.
27947 863 114 50 Telconet S.A
11830 845 364 15 Instituto Costarricense de El
3816 795 321 133 COLOMBIA TELECOMUNICACIONES 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
36998 1637 240 6 Sudanese Mobile Telephone (ZA
24863 954 280 26 Link Egypt (Link.NET)
6713 614 722 28 Office National des Postes et
8452 568 958 13 TE-AS
24835 304 144 9 Vodafone Data
36992 295 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
37054 234 23 11 Data Telecom Service
29571 219 22 18 Cote d'Ivoire Telecom
29975 192 668 21 Vodacom
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 3662 1948 97 NET Serviços de Comunicação S
6389 2997 3688 53 BellSouth.net Inc.
4766 2919 11589 898 Korea Telecom
10620 2820 454 211 Telmex Colombia S.A.
17974 2780 903 78 PT Telekomunikasi Indonesia
22773 2411 2938 137 Cox Communications Inc.
7545 2216 320 115 TPG Telecom Limited
1785 2192 697 130 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
18881 1922 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 2997 2944 BellSouth.net Inc.
17974 2780 2702 PT Telekomunikasi Indonesia
10620 2820 2609 Telmex Colombia S.A.
22773 2411 2274 Cox Communications Inc.
7545 2216 2101 TPG Telecom Limited
1785 2192 2062 PaeTec Communications, Inc.
4766 2919 2021 Korea Telecom
18881 1922 1901 Global Village Telecom
18566 2047 1869 MegaPath Corporation
4755 1843 1646 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
65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS
65456 PRIVATE 5.109.96.0/19 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
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.55.64.0/21 36423 San Juan Cable, LLC
24.55.72.0/21 36423 San Juan Cable, LLC
24.55.80.0/21 36423 San Juan Cable, LLC
24.55.88.0/21 36423 San Juan Cable, LLC
24.55.96.0/21 36423 San Juan Cable, LLC
24.55.104.0/21 36423 San Juan Cable, LLC
24.55.112.0/21 36423 San Juan Cable, LLC
24.55.120.0/21 36423 San Juan Cable, LLC
24.137.224.0/21 36423 San Juan Cable, LLC
24.137.232.0/21 36423 San Juan Cable, LLC
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 /12:258
/13:477 /14:958 /15:1671 /16:12921 /17:6806 /18:11584
/19:23973 /20:33892 /21:36648 /22:52388 /23:45822 /24:260959
/25:816 /26:950 /27:403 /28:13 /29:19 /30:8
/31:1 /32:38
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
6389 1695 2997 BellSouth.net Inc.
22773 1650 2411 Cox Communications Inc.
36998 1599 1637 Sudanese Mobile Telephone (ZA
8402 1328 1649 OJSC "Vimpelcom"
30036 1233 1395 Mediacom Communications Corp
11492 1185 1233 CABLE ONE, INC.
1785 1165 2192 PaeTec Communications, Inc.
6983 1041 1228 ITC^Deltacom
34984 1023 1555 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1022 2:706 3:3 4:15 5:935 6:19
8:721 12:1854 13:4 14:972 15:13 16:2
17:30 18:21 20:35 23:811 24:1745 25:1
27:1752 31:1505 32:40 33:2 34:5 36:129
37:1819 38:946 39:5 40:197 41:3203 42:246
44:16 46:2193 47:18 49:686 50:910 52:12
54:46 55:6 57:29 58:1158 59:606 60:392
61:1529 62:1233 63:1981 64:4336 65:2246 66:4155
67:2063 68:1035 69:3296 70:843 71:450 72:1989
74:2642 75:312 76:412 77:1473 78:992 79:709
80:1310 81:1144 82:746 83:754 84:706 85:1264
86:451 87:1197 88:520 89:1823 90:140 91:5748
92:668 93:1717 94:2067 95:1522 96:544 97:350
98:1075 99:46 100:50 101:785 103:4626 105:534
106:168 107:552 108:564 109:2025 110:985 111:1273
112:650 113:848 114:882 115:1106 116:1047 117:882
118:1388 119:1330 120:375 121:802 122:1912 123:1291
124:1430 125:1400 128:657 129:324 130:345 131:653
132:395 133:162 134:319 135:73 136:251 137:323
138:356 139:168 140:211 141:360 142:571 143:418
144:501 145:104 146:606 147:434 148:924 149:361
150:161 151:625 152:422 153:218 154:251 155:477
156:332 157:339 158:239 159:874 160:343 161:479
162:1323 163:220 164:685 165:612 166:281 167:610
168:1028 169:124 170:1368 171:187 172:21 173:1633
174:694 175:617 176:1485 177:2903 178:1947 179:648
180:1710 181:1102 182:1533 183:516 184:710 185:1488
186:2800 187:1500 188:1930 189:1453 190:7424 191:191
192:7168 193:5481 194:4026 195:3382 196:1392 197:1143
198:5004 199:5620 200:6083 201:2644 202:8998 203:8904
204:4660 205:2703 206:2920 207:2927 208:4012 209:3712
210:3104 211:1698 212:2176 213:2072 214:900 215:85
216:5468 217:1691 218:584 219:321 220:1282 221:594
222:350 223:613
End of report
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