[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 5 18:51:50 UTC 2012
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 06 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427627
Prefixes after maximum aggregation: 178902
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210176
Total ASes present in the Internet Routing Table: 42285
Prefixes per ASN: 10.11
Origin-only ASes present in the Internet Routing Table: 33697
Origin ASes announcing only one prefix: 15772
Transit ASes present in the Internet Routing Table: 5625
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 789
Unregistered ASNs in the Routing Table: 291
Number of 32-bit ASNs allocated by the RIRs: 3352
Number of 32-bit ASNs visible in the Routing Table: 2963
Prefixes from 32-bit ASNs in the Routing Table: 8030
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 150
Number of addresses announced to Internet: 2604413548
Equivalent to 155 /8s, 60 /16s and 50 /24s
Percentage of available address space announced: 70.3
Percentage of allocated address space announced: 70.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.7
Total number of prefixes smaller than registry allocations: 149866
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102911
Total APNIC prefixes after maximum aggregation: 32526
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 103613
Unique aggregates announced from the APNIC address blocks: 42879
APNIC Region origin ASes present in the Internet Routing Table: 4770
APNIC Prefixes per ASN: 21.72
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 777
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 323
Number of APNIC addresses announced to Internet: 710790048
Equivalent to 42 /8s, 93 /16s and 203 /24s
Percentage of available APNIC address space announced: 83.1
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: 154470
Total ARIN prefixes after maximum aggregation: 78240
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155372
Unique aggregates announced from the ARIN address blocks: 69352
ARIN Region origin ASes present in the Internet Routing Table: 15256
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5767
ARIN Region transit ASes present in the Internet Routing Table: 1596
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1086601856
Equivalent to 64 /8s, 196 /16s and 58 /24s
Percentage of available ARIN address space announced: 57.5
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, 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: 108678
Total RIPE prefixes after maximum aggregation: 57231
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111305
Unique aggregates announced from the RIPE address blocks: 71705
RIPE Region origin ASes present in the Internet Routing Table: 16893
RIPE Prefixes per ASN: 6.59
RIPE Region origin ASes announcing only one prefix: 8136
RIPE Region transit ASes present in the Internet Routing Table: 2722
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1925
Number of RIPE addresses announced to Internet: 647652644
Equivalent to 38 /8s, 154 /16s and 101 /24s
Percentage of available RIPE address space announced: 94.2
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: 43672
Total LACNIC prefixes after maximum aggregation: 8610
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 46973
Unique aggregates announced from the LACNIC address blocks: 22575
LACNIC Region origin ASes present in the Internet Routing Table: 1661
LACNIC Prefixes per ASN: 28.28
LACNIC Region origin ASes announcing only one prefix: 453
LACNIC Region transit ASes present in the Internet Routing Table: 317
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 692
Number of LACNIC addresses announced to Internet: 117172520
Equivalent to 6 /8s, 251 /16s and 233 /24s
Percentage of available LACNIC address space announced: 69.8
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: 9742
Total AfriNIC prefixes after maximum aggregation: 2237
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 10214
Unique aggregates announced from the AfriNIC address blocks: 3532
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 18.14
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 6
Number of AfriNIC addresses announced to Internet: 41908992
Equivalent to 2 /8s, 127 /16s and 123 /24s
Percentage of available AfriNIC address space announced: 41.6
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 2972 11428 904 Korea Telecom (KIX)
17974 2362 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1764 301 86 TPG Internet Pty Ltd
4755 1626 387 163 TATA Communications formerly
9829 1396 1154 41 BSNL National Internet Backbo
9583 1223 90 517 Sify Limited
4808 1122 2046 317 CNCGROUP IP network: China169
7552 1064 1062 11 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1018 310 74 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 3234 3728 174 bellsouth.net, inc.
7029 3166 990 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1924 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications, Inc.
20115 1656 1582 618 Charter Communications
4323 1577 1154 387 Time Warner Telecom
30036 1349 270 757 Mediacom Communications Corp
7018 1267 10304 842 AT&T WorldNet Services
7011 1205 329 699 Citizens Utilities
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 1734 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 847 776 68 Uni2 Autonomous System
34984 793 206 180 BILISIM TELEKOM
31148 722 37 9 FreeNet ISP
6830 721 2313 445 UPC Distribution Services
20940 700 222 532 Akamai Technologies European
13188 698 92 147 Educational Network
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 576 364 61 Bezeq International
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 2200 379 222 TVCABLE BOGOTA
28573 2122 1269 58 NET Servicos de Comunicao S.A
8151 1594 3047 354 UniNet S.A. de C.V.
7303 1566 1035 202 Telecom Argentina Stet-France
6503 1538 435 69 AVANTEL, S.A.
27947 724 74 91 Telconet S.A
3816 643 309 70 Empresa Nacional de Telecomun
11172 594 101 67 Servicios Alestra S.A de C.V
14420 589 87 101 CORPORACION NACIONAL DE TELEC
22047 580 326 15 VTR PUNTO NET 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
24863 891 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 714 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 172 682 85 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 3234 3728 174 bellsouth.net, inc.
7029 3166 990 161 Windstream Communications Inc
4766 2972 11428 904 Korea Telecom (KIX)
17974 2362 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2200 379 222 TVCABLE BOGOTA
28573 2122 1269 58 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1924 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications, Inc.
7545 1764 301 86 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
7029 3166 3005 Windstream Communications Inc
17974 2362 2308 PT TELEKOMUNIKASI INDONESIA
4766 2972 2068 Korea Telecom (KIX)
28573 2122 2064 NET Servicos de Comunicao S.A
10620 2200 1978 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1924 1796 PaeTec Communications, Inc.
22773 1903 1775 Cox Communications, Inc.
8402 1734 1718 Corbina telecom
7545 1764 1678 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
128.0.170.0/24 24685 ISP Elencom autonomous system
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 DAC AS Germany
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 /8:18 /9:14 /10:29 /11:87 /12:241
/13:477 /14:846 /15:1541 /16:12439 /17:6488 /18:10864
/19:21105 /20:30363 /21:32352 /22:42772 /23:40053 /24:223715
/25:1354 /26:1670 /27:912 /28:181 /29:65 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2649 3166 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1802 3234 bellsouth.net, inc.
8402 1448 1734 Corbina telecom
30036 1281 1349 Mediacom Communications Corp
22773 1244 1903 Cox Communications, Inc.
11492 1164 1201 Cable One
6503 1054 1538 AVANTEL, S.A.
1785 1016 1924 PaeTec Communications, Inc.
7011 944 1205 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:627 2:711 3:1 4:13 5:553 6:3
8:467 12:1975 13:1 14:670 15:11 16:3
17:6 20:27 23:201 24:1784 27:1367 31:1022
32:54 33:2 34:2 36:7 37:838 38:829
39:2 40:133 41:2928 42:158 44:3 46:1612
47:2 49:459 50:593 52:12 54:22 55:8
56:3 57:27 58:988 59:542 60:238 61:1288
62:939 63:1997 64:4282 65:2234 66:4512 67:2107
68:1170 69:3222 70:986 71:514 72:1875 74:2600
75:484 76:305 77:967 78:977 79:469 80:1242
81:968 82:635 83:537 84:520 85:1159 86:486
87:929 88:364 89:1801 90:303 91:5235 92:593
93:1520 94:1623 95:1098 96:395 97:325 98:963
99:39 100:24 101:264 103:1631 105:512 106:120
107:199 108:466 109:1559 110:803 111:956 112:445
113:711 114:622 115:893 116:888 117:733 118:956
119:1226 120:341 121:688 122:1635 123:1165 124:1332
125:1281 128:562 129:192 130:282 131:635 132:303
133:22 134:251 135:62 136:220 137:239 138:338
139:171 140:498 141:282 142:490 143:385 144:490
145:85 146:518 147:276 148:748 149:326 150:160
151:195 152:451 153:178 154:20 155:422 156:225
157:374 158:258 159:660 160:345 161:410 162:366
163:191 164:698 165:425 166:526 167:554 168:987
169:127 170:911 171:149 172:7 173:1676 174:621
175:446 176:777 177:1258 178:1613 180:1344 181:149
182:1062 183:297 184:608 185:23 186:2187 187:1286
188:1718 189:1589 190:5805 192:6036 193:5729 194:4614
195:3660 196:1229 197:228 198:3829 199:5054 200:6002
201:1962 202:8658 203:8719 204:4400 205:2532 206:2766
207:2834 208:4045 209:3638 210:2848 211:1530 212:2013
213:1812 214:881 215:87 216:5125 217:1573 218:572
219:313 220:1250 221:534 222:337 223:415
End of report
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