[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 22 18:33:31 UTC 2013
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 23 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 446728
Prefixes after maximum aggregation: 183292
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 220037
Total ASes present in the Internet Routing Table: 43605
Prefixes per ASN: 10.24
Origin-only ASes present in the Internet Routing Table: 34346
Origin ASes announcing only one prefix: 16005
Transit ASes present in the Internet Routing Table: 5773
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 380
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 4642
Number of 32-bit ASNs visible in the Routing Table: 3486
Prefixes from 32-bit ASNs in the Routing Table: 10051
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 190
Number of addresses announced to Internet: 2623636172
Equivalent to 156 /8s, 97 /16s and 130 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 157705
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107650
Total APNIC prefixes after maximum aggregation: 33185
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 108812
Unique aggregates announced from the APNIC address blocks: 44235
APNIC Region origin ASes present in the Internet Routing Table: 4823
APNIC Prefixes per ASN: 22.56
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 471
Number of APNIC addresses announced to Internet: 719866944
Equivalent to 42 /8s, 232 /16s and 76 /24s
Percentage of available APNIC address space announced: 84.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 157052
Total ARIN prefixes after maximum aggregation: 79231
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157702
Unique aggregates announced from the ARIN address blocks: 72021
ARIN Region origin ASes present in the Internet Routing Table: 15558
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5892
ARIN Region transit ASes present in the Internet Routing Table: 1613
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1078545024
Equivalent to 64 /8s, 73 /16s and 74 /24s
Percentage of available ARIN address space announced: 57.1
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, 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: 114247
Total RIPE prefixes after maximum aggregation: 59056
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 117881
Unique aggregates announced from the RIPE address blocks: 76026
RIPE Region origin ASes present in the Internet Routing Table: 17109
RIPE Prefixes per ASN: 6.89
RIPE Region origin ASes announcing only one prefix: 8154
RIPE Region transit ASes present in the Internet Routing Table: 2789
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2244
Number of RIPE addresses announced to Internet: 654647012
Equivalent to 39 /8s, 5 /16s and 30 /24s
Percentage of available RIPE address space announced: 95.2
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, 196608-199679
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: 47537
Total LACNIC prefixes after maximum aggregation: 9355
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 51460
Unique aggregates announced from the LACNIC address blocks: 23836
LACNIC Region origin ASes present in the Internet Routing Table: 1868
LACNIC Prefixes per ASN: 27.55
LACNIC Region origin ASes announcing only one prefix: 548
LACNIC Region transit ASes present in the Internet Routing Table: 346
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 747
Number of LACNIC addresses announced to Internet: 124820520
Equivalent to 7 /8s, 112 /16s and 156 /24s
Percentage of available LACNIC address space announced: 74.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 10057
Total AfriNIC prefixes after maximum aggregation: 2415
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 10683
Unique aggregates announced from the AfriNIC address blocks: 3745
AfriNIC Region origin ASes present in the Internet Routing Table: 594
AfriNIC Prefixes per ASN: 17.98
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 45373696
Equivalent to 2 /8s, 180 /16s and 89 /24s
Percentage of available AfriNIC address space announced: 45.1
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 2950 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1845 301 89 TPG Internet Pty Ltd
4755 1726 392 197 TATA Communications formerly
9829 1464 1173 43 BSNL National Internet Backbo
9583 1279 97 525 Sify Limited
7552 1158 1062 11 Vietel Corporation
4808 1115 2056 320 CNCGROUP IP network: China169
9498 1069 310 74 BHARTI Airtel Ltd.
24560 1060 385 165 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 3033 3694 87 bellsouth.net, inc.
7029 2216 1266 213 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1993 2929 125 Cox Communications, Inc.
1785 1967 677 125 PaeTec Communications, Inc.
20115 1683 1613 620 Charter Communications
4323 1613 1139 401 Time Warner Telecom
30036 1320 291 678 Mediacom Communications Corp
7018 1313 10810 849 AT&T WorldNet Services
11492 1210 222 329 Cable One
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 1832 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1108 234 206 BILISIM TELEKOM
12479 841 786 66 Uni2 Autonomous System
13188 836 99 36 Educational Network
20940 799 278 635 Akamai Technologies European
31148 786 41 19 FreeNet ISP
6830 714 2314 435 UPC Distribution Services
8551 714 370 43 Bezeq International
58113 664 73 386 LIR DATACENTER TELECOM SRL
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 2468 1338 90 NET Servicos de Comunicao S.A
10620 2362 407 238 TVCABLE BOGOTA
7303 1673 1148 209 Telecom Argentina Stet-France
8151 1357 2680 401 UniNet S.A. de C.V.
6503 1176 435 68 AVANTEL, S.A.
14754 942 128 85 Telgua S. A.
18881 834 716 18 Global Village Telecom
27947 795 87 96 Telconet S.A
11830 726 364 14 Instituto Costarricense de El
3816 692 306 85 Empresa Nacional de Telecomun
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 1286 80 4 MOBITEL
24863 732 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 345 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 190 698 88 MTN Network Solutions
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
6389 3033 3694 87 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2468 1338 90 NET Servicos de Comunicao S.A
10620 2362 407 238 TVCABLE BOGOTA
7029 2216 1266 213 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1993 2929 125 Cox Communications, Inc.
1785 1967 677 125 PaeTec Communications, Inc.
7545 1845 301 89 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2504 2418 PT TELEKOMUNIKASI INDONESIA
28573 2468 2378 NET Servicos de Comunicao S.A
10620 2362 2124 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2216 2003 Windstream Communications Inc
18566 2080 1895 Covad Communications
22773 1993 1868 Cox Communications, Inc.
1785 1967 1842 PaeTec Communications, Inc.
8402 1832 1816 Corbina telecom
7545 1845 1756 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 mywire Datentechnik GmbH
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
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 /8:17 /9:13 /10:29 /11:88 /12:247
/13:483 /14:872 /15:1562 /16:12654 /17:6593 /18:10867
/19:21699 /20:31663 /21:33513 /22:46051 /23:41513 /24:234663
/25:1364 /26:1675 /27:864 /28:182 /29:78 /30:18
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1743 3033 bellsouth.net, inc.
7029 1614 2216 Windstream Communications Inc
8402 1547 1832 Corbina telecom
22773 1304 1993 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1203 1320 Mediacom Communications Corp
11492 1172 1210 Cable One
1785 1043 1967 PaeTec Communications, Inc.
7011 942 1187 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:728 2:777 3:3 4:13 5:834 6:3
8:511 12:1936 13:3 14:764 15:11 16:3
17:8 20:19 23:246 24:1802 27:1470 31:1176
32:44 33:2 34:5 36:43 37:1447 38:857
39:2 40:159 41:2657 42:183 44:6 46:1743
47:2 49:614 50:668 52:12 54:28 55:11
57:27 58:1104 59:600 60:304 61:1449 62:1017
63:2038 64:4290 65:2175 66:4282 67:2055 68:1118
69:3268 70:871 71:527 72:1898 74:2548 75:401
76:293 77:1084 78:1017 79:577 80:1229 81:973
82:613 83:557 84:563 85:1149 86:466 87:946
88:380 89:1767 90:262 91:5450 92:602 93:1702
94:1858 95:1552 96:499 97:336 98:1051 99:41
100:29 101:312 103:2312 105:517 106:133 107:207
108:517 109:1815 110:856 111:1040 112:499 113:764
114:684 115:1011 116:867 117:808 118:1007 119:1258
120:378 121:825 122:1740 123:1191 124:1323 125:1316
128:555 129:221 130:320 131:652 132:332 133:143
134:257 135:60 136:221 137:242 138:343 139:181
140:199 141:320 142:535 143:368 144:485 145:90
146:522 147:364 148:701 149:357 150:158 151:476
152:415 153:194 154:34 155:384 156:251 157:392
158:268 159:709 160:334 161:423 162:376 163:203
164:579 165:452 166:376 167:574 168:1018 169:131
170:1020 171:169 172:5 173:1580 174:583 175:431
176:1143 177:1826 178:1974 179:1 180:1380 181:292
182:1224 183:350 184:660 185:303 186:2359 187:1235
188:1906 189:1401 190:6632 192:6421 193:5677 194:4512
195:3464 196:1260 197:871 198:4244 199:5266 200:6034
201:2371 202:8903 203:8772 204:4488 205:2552 206:2785
207:2825 208:4057 209:3536 210:2916 211:1566 212:2007
213:1959 214:916 215:95 216:5194 217:1565 218:604
219:350 220:1269 221:547 222:318 223:492
End of report
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