[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 27 18:36:05 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 28 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 468437
Prefixes after maximum aggregation: 188881
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232188
Total ASes present in the Internet Routing Table: 45071
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35211
Origin ASes announcing only one prefix: 16272
Transit ASes present in the Internet Routing Table: 5902
Transit-only ASes present in the Internet Routing Table: 162
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: 285
Unregistered ASNs in the Routing Table: 158
Number of 32-bit ASNs allocated by the RIRs: 5110
Number of 32-bit ASNs visible in the Routing Table: 3958
Prefixes from 32-bit ASNs in the Routing Table: 12108
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 596
Number of addresses announced to Internet: 2645071764
Equivalent to 157 /8s, 168 /16s and 151 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 163911
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111250
Total APNIC prefixes after maximum aggregation: 33714
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 113282
Unique aggregates announced from the APNIC address blocks: 46723
APNIC Region origin ASes present in the Internet Routing Table: 4869
APNIC Prefixes per ASN: 23.27
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 829
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 692
Number of APNIC addresses announced to Internet: 727695360
Equivalent to 43 /8s, 95 /16s and 192 /24s
Percentage of available APNIC address space announced: 85.0
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: 162744
Total ARIN prefixes after maximum aggregation: 81490
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163254
Unique aggregates announced from the ARIN address blocks: 75879
ARIN Region origin ASes present in the Internet Routing Table: 15900
ARIN Prefixes per ASN: 10.27
ARIN Region origin ASes announcing only one prefix: 6024
ARIN Region transit ASes present in the Internet Routing Table: 1653
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 21
Number of ARIN addresses announced to Internet: 1072661120
Equivalent to 63 /8s, 239 /16s and 130 /24s
Percentage of available ARIN address space announced: 56.7
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: 118632
Total RIPE prefixes after maximum aggregation: 61255
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122199
Unique aggregates announced from the RIPE address blocks: 78897
RIPE Region origin ASes present in the Internet Routing Table: 17449
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8272
RIPE Region transit ASes present in the Internet Routing Table: 2805
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2403
Number of RIPE addresses announced to Internet: 657039844
Equivalent to 39 /8s, 41 /16s and 161 /24s
Percentage of available RIPE address space announced: 95.5
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, 196608-200191
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: 51895
Total LACNIC prefixes after maximum aggregation: 9803
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 56808
Unique aggregates announced from the LACNIC address blocks: 26194
LACNIC Region origin ASes present in the Internet Routing Table: 2025
LACNIC Prefixes per ASN: 28.05
LACNIC Region origin ASes announcing only one prefix: 569
LACNIC Region transit ASes present in the Internet Routing Table: 382
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 836
Number of LACNIC addresses announced to Internet: 139338288
Equivalent to 8 /8s, 78 /16s and 34 /24s
Percentage of available LACNIC address space announced: 83.1
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: 11674
Total AfriNIC prefixes after maximum aggregation: 2544
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12298
Unique aggregates announced from the AfriNIC address blocks: 3982
AfriNIC Region origin ASes present in the Internet Routing Table: 653
AfriNIC Prefixes per ASN: 18.83
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 138
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46748928
Equivalent to 2 /8s, 201 /16s and 85 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2936 11562 937 Korea Telecom (KIX)
17974 2691 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2079 321 112 TPG Internet Pty Ltd
4755 1770 391 187 TATA Communications formerly
9829 1545 1238 40 BSNL National Internet Backbo
9583 1233 93 506 Sify Limited
9498 1194 309 72 BHARTI Airtel Ltd.
4808 1192 2131 347 CNCGROUP IP network: China169
7552 1163 1080 13 Vietel Corporation
24560 1090 380 164 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 3061 3689 59 BellSouth.net Inc.
18566 2067 382 184 Covad Communications
22773 2038 2933 124 Cox Communications, Inc.
1785 2018 679 125 PaeTec Communications, Inc.
20115 1680 1651 628 Charter Communications
4323 1616 1103 417 Time Warner Telecom
701 1523 11149 795 UUNET Technologies, Inc.
30036 1345 304 623 Mediacom Communications Corp
7018 1305 11244 821 AT&T WorldNet Services
6983 1285 756 578 ITC^Deltacom
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 1781 544 17 OJSC "Vimpelcom"
34984 1363 244 221 TELLCOM ILETISIM HIZMETLERI A
20940 1033 377 794 Akamai Technologies European
31148 989 43 19 FreeNet ISP
6830 891 2365 425 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 746 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
3320 511 8416 406 Deutsche Telekom AG
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 3367 1730 94 NET Servicos de Comunicao S.A
10620 2584 421 246 TVCABLE BOGOTA
7303 1715 1133 229 Telecom Argentina Stet-France
18881 1441 844 20 Global Village Telecom
8151 1337 2801 412 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 841 93 94 Telconet S.A
6503 834 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 770 376 21 Telefonica Del Peru
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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 880 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
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 3367 1730 94 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
4766 2936 11562 937 Korea Telecom (KIX)
17974 2691 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2584 421 246 TVCABLE BOGOTA
7545 2079 321 112 TPG Internet Pty Ltd
18566 2067 382 184 Covad Communications
22773 2038 2933 124 Cox Communications, Inc.
1785 2018 679 125 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
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 3061 3002 BellSouth.net Inc.
17974 2691 2600 PT TELEKOMUNIKASI INDONESIA
10620 2584 2338 TVCABLE BOGOTA
4766 2936 1999 Korea Telecom (KIX)
7545 2079 1967 TPG Internet Pty Ltd
22773 2038 1914 Cox Communications, Inc.
1785 2018 1893 PaeTec Communications, Inc.
18566 2067 1883 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1781 1764 OJSC "Vimpelcom"
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
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c
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 /9:11 /10:31 /11:92 /12:250
/13:479 /14:916 /15:1628 /16:12805 /17:6693 /18:11207
/19:22943 /20:32591 /21:35192 /22:49711 /23:43071 /24:248290
/25:884 /26:990 /27:477 /28:48 /29:78 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1711 3061 BellSouth.net Inc.
8402 1501 1781 OJSC "Vimpelcom"
22773 1324 2038 Cox Communications, Inc.
30036 1203 1345 Mediacom Communications Corp
11492 1190 1231 Cable One
1785 1084 2018 PaeTec Communications, Inc.
6983 1026 1285 ITC^Deltacom
22561 963 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:847 2:857 3:3 4:17 5:967 6:19
8:609 12:1891 13:3 14:870 15:11 16:3
17:13 18:19 20:21 23:445 24:1729 27:1589
31:1469 32:45 33:2 34:5 36:80 37:1827
38:909 39:3 40:179 41:3282 42:250 44:13
46:2014 47:5 49:677 50:842 52:12 54:39
55:6 57:26 58:1166 59:611 60:344 61:1421
62:1182 63:1990 64:4553 65:2344 66:4181 67:2080
68:1086 69:3325 70:868 71:495 72:2002 74:2561
75:330 76:302 77:1169 78:1052 79:640 80:1330
81:1033 82:623 83:584 84:588 85:1283 86:454
87:996 88:552 89:1731 90:158 91:5647 92:603
93:1617 94:1974 95:1596 96:517 97:343 98:1042
99:43 100:31 101:610 103:3368 105:520 106:143
107:208 108:510 109:1878 110:969 111:1122 112:579
113:800 114:734 115:1010 116:991 117:817 118:1165
119:1292 120:371 121:742 122:1884 123:1244 124:1388
125:1424 128:620 129:321 130:323 131:653 132:348
133:161 134:542 135:67 136:272 137:267 138:350
139:181 140:183 141:325 142:549 143:397 144:498
145:100 146:514 147:401 148:705 149:353 150:158
151:583 152:411 153:197 154:48 155:485 156:279
157:421 158:285 159:768 160:348 161:451 162:716
163:229 164:634 165:575 166:258 167:620 168:1050
169:128 170:1077 171:201 172:25 173:1612 174:664
175:502 176:1215 177:2307 178:1885 179:145 180:1542
181:748 182:1325 183:464 184:654 185:895 186:2592
187:1447 188:1900 189:1327 190:7154 192:6962 193:5633
194:4079 195:3338 196:1322 197:999 198:4688 199:5470
200:6072 201:2545 202:9022 203:8922 204:4510 205:2630
206:2866 207:2896 208:4010 209:3619 210:2938 211:1565
212:2262 213:2025 214:927 215:99 216:5338 217:1663
218:623 219:324 220:1279 221:565 222:326 223:504
End of report
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