[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Oct 13 05:51:49 EST 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 13 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 428355
Prefixes after maximum aggregation: 179212
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210510
Total ASes present in the Internet Routing Table: 42342
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33732
Origin ASes announcing only one prefix: 15790
Transit ASes present in the Internet Routing Table: 5626
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: 833
Unregistered ASNs in the Routing Table: 302
Number of 32-bit ASNs allocated by the RIRs: 3372
Number of 32-bit ASNs visible in the Routing Table: 2984
Prefixes from 32-bit ASNs in the Routing Table: 8135
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2605906540
Equivalent to 155 /8s, 82 /16s and 250 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 150110
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103055
Total APNIC prefixes after maximum aggregation: 32567
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 103769
Unique aggregates announced from the APNIC address blocks: 42942
APNIC Region origin ASes present in the Internet Routing Table: 4776
APNIC Prefixes per ASN: 21.73
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 775
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: 326
Number of APNIC addresses announced to Internet: 711102112
Equivalent to 42 /8s, 98 /16s and 142 /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: 154566
Total ARIN prefixes after maximum aggregation: 78313
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155412
Unique aggregates announced from the ARIN address blocks: 69394
ARIN Region origin ASes present in the Internet Routing Table: 15279
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5782
ARIN Region transit ASes present in the Internet Routing Table: 1594
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: 1086699904
Equivalent to 64 /8s, 197 /16s and 185 /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: 109143
Total RIPE prefixes after maximum aggregation: 57365
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111805
Unique aggregates announced from the RIPE address blocks: 71908
RIPE Region origin ASes present in the Internet Routing Table: 16895
RIPE Prefixes per ASN: 6.62
RIPE Region origin ASes announcing only one prefix: 8130
RIPE Region transit ASes present in the Internet Routing Table: 2723
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: 1941
Number of RIPE addresses announced to Internet: 648107044
Equivalent to 38 /8s, 161 /16s and 84 /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: 43764
Total LACNIC prefixes after maximum aggregation: 8674
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47162
Unique aggregates announced from the LACNIC address blocks: 22584
LACNIC Region origin ASes present in the Internet Routing Table: 1667
LACNIC Prefixes per ASN: 28.29
LACNIC Region origin ASes announcing only one prefix: 457
LACNIC Region transit ASes present in the Internet Routing Table: 319
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: 694
Number of LACNIC addresses announced to Internet: 117535272
Equivalent to 7 /8s, 1 /16s and 114 /24s
Percentage of available LACNIC address space announced: 70.1
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: 9570
Total AfriNIC prefixes after maximum aggregation: 2236
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 10042
Unique aggregates announced from the AfriNIC address blocks: 3537
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 17.84
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 42157312
Equivalent to 2 /8s, 131 /16s and 69 /24s
Percentage of available AfriNIC address space announced: 41.9
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 2974 11428 902 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1770 301 87 TPG Internet Pty Ltd
4755 1626 387 163 TATA Communications formerly
9829 1401 1154 41 BSNL National Internet Backbo
9583 1226 90 518 Sify Limited
4808 1113 2060 316 CNCGROUP IP network: China169
7552 1088 1062 14 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1022 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 3203 3727 173 bellsouth.net, inc.
7029 3128 990 162 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1926 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
20115 1655 1582 618 Charter Communications
4323 1586 1155 392 Time Warner Telecom
30036 1344 268 753 Mediacom Communications Corp
7018 1265 10304 841 AT&T WorldNet Services
7011 1207 329 701 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 1774 544 16 Corbina telecom
2118 1396 97 14 EUnet/RELCOM Autonomous Syste
12479 848 776 64 Uni2 Autonomous System
34984 797 206 182 BILISIM TELEKOM
31148 725 37 9 FreeNet ISP
6830 723 2313 445 UPC Distribution Services
20940 708 224 539 Akamai Technologies European
13188 697 92 155 Educational Network
58113 603 67 364 LIR DATACENTER TELECOM SRL
8551 575 364 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 2203 379 219 TVCABLE BOGOTA
28573 2102 1277 60 NET Servicos de Comunicao S.A
8151 1588 3028 355 UniNet S.A. de C.V.
7303 1566 1035 203 Telecom Argentina Stet-France
6503 1538 435 69 AVANTEL, S.A.
27947 728 74 91 Telconet S.A
3816 649 309 70 Empresa Nacional de Telecomun
11172 592 85 66 Servicios Alestra S.A de C.V
14420 589 87 101 CORPORACION NACIONAL DE TELEC
7738 586 1178 33 Telecomunicacoes da Bahia 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 892 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 669 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 270 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 3203 3727 173 bellsouth.net, inc.
7029 3128 990 162 Windstream Communications Inc
4766 2974 11428 902 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2203 379 219 TVCABLE BOGOTA
28573 2102 1277 60 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1926 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
8402 1774 544 16 Corbina 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
7029 3128 2966 Windstream Communications Inc
17974 2365 2311 PT TELEKOMUNIKASI INDONESIA
4766 2974 2072 Korea Telecom (KIX)
28573 2102 2042 NET Servicos de Comunicao S.A
10620 2203 1984 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1926 1798 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications, Inc.
8402 1774 1758 Corbina telecom
7545 1770 1683 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
128.0.72.0/21 23456 32-bit ASN transition
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
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 /12:242
/13:477 /14:849 /15:1546 /16:12440 /17:6493 /18:10830
/19:21151 /20:30404 /21:32445 /22:42915 /23:40129 /24:224184
/25:1304 /26:1608 /27:905 /28:178 /29:65 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2618 3128 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1797 3203 bellsouth.net, inc.
8402 1489 1774 Corbina telecom
30036 1272 1344 Mediacom Communications Corp
22773 1246 1907 Cox Communications, Inc.
11492 1166 1203 Cable One
6503 1054 1538 AVANTEL, S.A.
1785 1016 1926 PaeTec Communications, Inc.
7011 946 1207 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:636 2:772 3:1 4:13 5:567 6:3
8:489 12:1976 13:1 14:670 15:11 16:3
17:6 20:27 23:202 24:1791 27:1371 31:1021
32:54 33:2 34:2 36:7 37:842 38:829
39:2 40:137 41:2764 42:158 44:3 46:1637
47:2 49:456 50:591 52:12 54:25 55:9
56:3 57:27 58:987 59:541 60:237 61:1291
62:937 63:1997 64:4282 65:2232 66:4531 67:2080
68:1157 69:3214 70:988 71:505 72:1872 74:2603
75:483 76:309 77:970 78:978 79:503 80:1245
81:970 82:629 83:536 84:522 85:1157 86:484
87:946 88:364 89:1848 90:304 91:5250 92:597
93:1501 94:1628 95:1122 96:396 97:325 98:964
99:39 100:29 101:269 103:1641 105:512 106:120
107:199 108:473 109:1592 110:804 111:963 112:444
113:713 114:621 115:899 116:889 117:736 118:961
119:1230 120:328 121:688 122:1640 123:1152 124:1334
125:1281 128:563 129:196 130:287 131:639 132:308
133:22 134:252 135:62 136:221 137:238 138:337
139:170 140:501 141:287 142:491 143:378 144:496
145:82 146:507 147:276 148:749 149:327 150:158
151:196 152:450 153:179 154:20 155:426 156:226
157:374 158:262 159:658 160:346 161:411 162:364
163:191 164:709 165:427 166:527 167:553 168:990
169:126 170:914 171:152 172:7 173:1662 174:625
175:449 176:778 177:1272 178:1625 180:1348 181:161
182:1087 183:305 184:595 185:28 186:2228 187:1323
188:1748 189:1595 190:5818 192:6048 193:5751 194:4611
195:3661 196:1231 197:234 198:3852 199:5075 200:5993
201:1962 202:8670 203:8703 204:4400 205:2545 206:2764
207:2839 208:4060 209:3632 210:2836 211:1532 212:2016
213:1816 214:891 215:88 216:5127 217:1563 218:571
219:314 220:1247 221:533 222:337 223:416
End of report
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