[lacnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora en apnic.net
Vie Sep 28 15:51:58 BRT 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 en lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
Routing Table Report 04:00 +10GMT Sat 29 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427331
Prefixes after maximum aggregation: 178718
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 209290
Total ASes present in the Internet Routing Table: 42215
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33672
Origin ASes announcing only one prefix: 15754
Transit ASes present in the Internet Routing Table: 5612
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 35
Max AS path prepend of ASN ( 48687) 24
Prefixes from unregistered ASNs in the Routing Table: 769
Unregistered ASNs in the Routing Table: 279
Number of 32-bit ASNs allocated by the RIRs: 3336
Number of 32-bit ASNs visible in the Routing Table: 2931
Prefixes from 32-bit ASNs in the Routing Table: 7916
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 164
Number of addresses announced to Internet: 2601743212
Equivalent to 155 /8s, 19 /16s and 115 /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: 150222
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102740
Total APNIC prefixes after maximum aggregation: 32571
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 103414
Unique aggregates announced from the APNIC address blocks: 42743
APNIC Region origin ASes present in the Internet Routing Table: 4766
APNIC Prefixes per ASN: 21.70
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 773
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 315
Number of APNIC addresses announced to Internet: 708388512
Equivalent to 42 /8s, 57 /16s and 38 /24s
Percentage of available APNIC address space announced: 82.8
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: 154519
Total ARIN prefixes after maximum aggregation: 78181
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155430
Unique aggregates announced from the ARIN address blocks: 69144
ARIN Region origin ASes present in the Internet Routing Table: 15250
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5766
ARIN Region transit ASes present in the Internet Routing Table: 1586
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087029632
Equivalent to 64 /8s, 202 /16s and 193 /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: 108275
Total RIPE prefixes after maximum aggregation: 57184
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 110843
Unique aggregates announced from the RIPE address blocks: 71392
RIPE Region origin ASes present in the Internet Routing Table: 16872
RIPE Prefixes per ASN: 6.57
RIPE Region origin ASes announcing only one prefix: 8127
RIPE Region transit ASes present in the Internet Routing Table: 2714
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1906
Number of RIPE addresses announced to Internet: 647248932
Equivalent to 38 /8s, 148 /16s and 60 /24s
Percentage of available RIPE address space announced: 94.1
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: 43973
Total LACNIC prefixes after maximum aggregation: 8501
LACNIC Deaggregation factor: 5.17
Prefixes being announced from the LACNIC address blocks: 47221
Unique aggregates announced from the LACNIC address blocks: 22344
LACNIC Region origin ASes present in the Internet Routing Table: 1660
LACNIC Prefixes per ASN: 28.45
LACNIC Region origin ASes announcing only one prefix: 450
LACNIC Region transit ASes present in the Internet Routing Table: 321
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: 687
Number of LACNIC addresses announced to Internet: 116918824
Equivalent to 6 /8s, 248 /16s and 10 /24s
Percentage of available LACNIC address space announced: 69.7
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: 9784
Total AfriNIC prefixes after maximum aggregation: 2224
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 10259
Unique aggregates announced from the AfriNIC address blocks: 3532
AfriNIC Region origin ASes present in the Internet Routing Table: 562
AfriNIC Prefixes per ASN: 18.25
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 41850880
Equivalent to 2 /8s, 126 /16s and 152 /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 2979 11428 904 Korea Telecom (KIX)
17974 2356 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1762 301 87 TPG Internet Pty Ltd
4755 1624 387 163 TATA Communications formerly
9829 1332 1106 41 BSNL National Internet Backbo
9583 1181 88 515 Sify Limited
4808 1124 2046 319 CNCGROUP IP network: China169
7552 1108 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
18101 1016 135 169 Reliance Infocom Ltd Internet
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 3291 3730 177 bellsouth.net, inc.
7029 3164 990 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1918 678 128 PaeTec Communications, Inc.
22773 1888 2931 128 Cox Communications, Inc.
20115 1656 1581 617 Charter Communications
4323 1576 1153 387 Time Warner Telecom
30036 1365 272 751 Mediacom Communications Corp
7018 1262 10320 840 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 1726 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 846 775 74 Uni2 Autonomous System
34984 782 206 181 BILISIM TELEKOM
6830 724 2313 448 UPC Distribution Services
31148 711 37 9 FreeNet ISP
13188 694 92 153 Educational Network
20940 691 219 531 Akamai Technologies European
58113 631 70 366 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 2190 376 218 TVCABLE BOGOTA
28573 2141 1251 56 NET Servicos de Comunicao S.A
8151 1594 3045 346 UniNet S.A. de C.V.
7303 1561 1034 199 Telecom Argentina Stet-France
6503 1536 435 68 AVANTEL, S.A.
27947 724 74 91 Telconet S.A
3816 642 309 53 Empresa Nacional de Telecomun
6458 601 81 15 GUATEL
11172 590 85 69 Servicios Alestra S.A de C.V
14420 588 87 102 CORPORACION NACIONAL DE TELEC
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 865 275 36 LINKdotNET AS number
8452 784 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 264 904 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
33776 189 12 13 Starcomms Nigeria Limited
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 3291 3730 177 bellsouth.net, inc.
7029 3164 990 161 Windstream Communications Inc
4766 2979 11428 904 Korea Telecom (KIX)
17974 2356 702 54 PT TELEKOMUNIKASI INDONESIA
10620 2190 376 218 TVCABLE BOGOTA
28573 2141 1251 56 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1918 678 128 PaeTec Communications, Inc.
22773 1888 2931 128 Cox Communications, Inc.
7545 1762 301 87 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 3164 3003 Windstream Communications Inc
17974 2356 2302 PT TELEKOMUNIKASI INDONESIA
28573 2141 2085 NET Servicos de Comunicao S.A
4766 2979 2075 Korea Telecom (KIX)
10620 2190 1972 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1918 1790 PaeTec Communications, Inc.
22773 1888 1760 Cox Communications, Inc.
8402 1726 1710 Corbina telecom
7545 1762 1675 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 /12:240
/13:477 /14:846 /15:1546 /16:12409 /17:6482 /18:10858
/19:21073 /20:30287 /21:32307 /22:42709 /23:40047 /24:223626
/25:1395 /26:1680 /27:914 /28:179 /29:66 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3164 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1838 3291 bellsouth.net, inc.
8402 1438 1726 Corbina telecom
30036 1299 1365 Mediacom Communications Corp
22773 1229 1888 Cox Communications, Inc.
11492 1164 1201 Cable One
6503 1054 1536 AVANTEL, S.A.
1785 1016 1918 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)
----------------------------------------------
1:621 2:668 3:1 4:13 5:544 6:3
8:463 12:1985 13:1 14:666 15:11 16:3
17:6 20:27 23:202 24:1786 27:1345 31:1023
32:54 33:2 34:2 36:7 37:821 38:829
39:2 40:133 41:3032 42:159 44:3 46:1602
47:2 49:469 50:594 52:13 54:22 55:9
56:1 57:27 58:990 59:541 60:238 61:1290
62:938 63:1982 64:4271 65:2242 66:4512 67:2090
68:1165 69:3235 70:988 71:509 72:1871 74:2592
75:485 76:314 77:968 78:961 79:495 80:1234
81:970 82:635 83:529 84:516 85:1159 86:491
87:927 88:364 89:1831 90:301 91:5230 92:596
93:1422 94:1638 95:1225 96:417 97:324 98:972
99:39 100:23 101:263 103:1578 105:512 106:118
107:199 108:464 109:1530 110:806 111:970 112:445
113:702 114:609 115:889 116:893 117:732 118:932
119:1214 120:335 121:690 122:1634 123:1165 124:1327
125:1277 128:563 129:190 130:282 131:634 132:309
133:22 134:251 135:61 136:219 137:239 138:337
139:170 140:498 141:279 142:486 143:387 144:488
145:81 146:517 147:264 148:750 149:325 150:154
151:192 152:451 153:178 154:20 155:420 156:224
157:373 158:258 159:659 160:344 161:411 162:363
163:191 164:694 165:423 166:527 167:553 168:966
169:126 170:908 171:167 172:6 173:1681 174:627
175:444 176:789 177:1243 178:1613 180:1340 181:140
182:1058 183:296 184:605 185:6 186:2193 187:1258
188:1697 189:1587 190:6053 192:6029 193:5727 194:4559
195:3478 196:1219 197:225 198:3818 199:5024 200:6023
201:1990 202:8712 203:8719 204:4423 205:2536 206:2755
207:2856 208:4068 209:3659 210:2853 211:1529 212:1988
213:1819 214:892 215:87 216:5118 217:1570 218:569
219:313 220:1251 221:532 222:337 223:403
End of report
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