[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 20 18:07:35 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 21 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 475800
Prefixes after maximum aggregation: 190361
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 236234
Total ASes present in the Internet Routing Table: 45782
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35490
Origin ASes announcing only one prefix: 16278
Transit ASes present in the Internet Routing Table: 5971
Transit-only ASes present in the Internet Routing Table: 177
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1068
Unregistered ASNs in the Routing Table: 305
Number of 32-bit ASNs allocated by the RIRs: 5558
Number of 32-bit ASNs visible in the Routing Table: 4321
Prefixes from 32-bit ASNs in the Routing Table: 13537
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1466
Number of addresses announced to Internet: 2660917980
Equivalent to 158 /8s, 154 /16s and 98 /24s
Percentage of available address space announced: 71.9
Percentage of allocated address space announced: 71.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.3
Total number of prefixes smaller than registry allocations: 166277
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 112978
Total APNIC prefixes after maximum aggregation: 34171
APNIC Deaggregation factor: 3.31
Prefixes being announced from the APNIC address blocks: 115264
Unique aggregates announced from the APNIC address blocks: 48154
APNIC Region origin ASes present in the Internet Routing Table: 4877
APNIC Prefixes per ASN: 23.63
APNIC Region origin ASes announcing only one prefix: 1211
APNIC Region transit ASes present in the Internet Routing Table: 839
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 794
Number of APNIC addresses announced to Internet: 729350848
Equivalent to 43 /8s, 121 /16s and 2 /24s
Percentage of available APNIC address space announced: 85.2
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: 163428
Total ARIN prefixes after maximum aggregation: 81908
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 164196
Unique aggregates announced from the ARIN address blocks: 75953
ARIN Region origin ASes present in the Internet Routing Table: 15934
ARIN Prefixes per ASN: 10.30
ARIN Region origin ASes announcing only one prefix: 6002
ARIN Region transit ASes present in the Internet Routing Table: 1672
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: 49
Number of ARIN addresses announced to Internet: 1075463552
Equivalent to 64 /8s, 26 /16s and 69 /24s
Percentage of available ARIN address space announced: 56.9
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: 119980
Total RIPE prefixes after maximum aggregation: 61371
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123716
Unique aggregates announced from the RIPE address blocks: 79314
RIPE Region origin ASes present in the Internet Routing Table: 17576
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8306
RIPE Region transit ASes present in the Internet Routing Table: 2831
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2537
Number of RIPE addresses announced to Internet: 655696868
Equivalent to 39 /8s, 21 /16s and 35 /24s
Percentage of available RIPE address space announced: 95.3
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: 53303
Total LACNIC prefixes after maximum aggregation: 10055
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 58687
Unique aggregates announced from the LACNIC address blocks: 27431
LACNIC Region origin ASes present in the Internet Routing Table: 2059
LACNIC Prefixes per ASN: 28.50
LACNIC Region origin ASes announcing only one prefix: 551
LACNIC Region transit ASes present in the Internet Routing Table: 398
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 933
Number of LACNIC addresses announced to Internet: 146973752
Equivalent to 8 /8s, 194 /16s and 164 /24s
Percentage of available LACNIC address space announced: 87.6
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: 11809
Total AfriNIC prefixes after maximum aggregation: 2611
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12471
Unique aggregates announced from the AfriNIC address blocks: 4238
AfriNIC Region origin ASes present in the Internet Routing Table: 697
AfriNIC Prefixes per ASN: 17.89
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 147
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8
Number of AfriNIC addresses announced to Internet: 48643712
Equivalent to 2 /8s, 230 /16s and 62 /24s
Percentage of available AfriNIC address space announced: 48.3
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 2948 11558 952 Korea Telecom (KIX)
17974 2731 902 88 PT TELEKOMUNIKASI INDONESIA
7545 2121 319 112 TPG Internet Pty Ltd
4755 1804 392 191 TATA Communications formerly
9829 1558 1251 42 BSNL National Internet Backbo
9583 1300 100 537 Sify Limited
9498 1229 309 72 BHARTI Airtel Ltd.
4808 1145 2121 346 CNCGROUP IP network: China169
7552 1134 1080 13 Vietel Corporation
24560 1098 382 167 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 3028 3688 53 BellSouth.net Inc.
22773 2303 2939 139 Cox Communications, Inc.
1785 2146 686 131 PaeTec Communications, Inc.
18566 2050 379 178 MegaPath Corporation
20115 1681 1662 593 Charter Communications
4323 1630 1081 413 Time Warner Telecom
701 1508 11144 781 MCI Communications Services,
30036 1375 309 574 Mediacom Communications Corp
7018 1308 17746 853 AT&T WorldNet Services
6983 1295 756 580 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 1884 544 16 OJSC "Vimpelcom"
34984 1366 243 226 TELLCOM ILETISIM HIZMETLERI A
20940 1212 458 913 Akamai Technologies European
31148 1011 45 19 FreeNet ISP
13188 919 99 40 TOV "Bank-Inform"
6849 860 363 38 JSC UKRTELECOM,
8551 846 370 38 Bezeq International
6830 772 2327 425 UPC Distribution Services
12479 683 798 53 Uni2 Autonomous System
35228 551 246 16 Avatar Broadband Limited
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 3430 1839 90 NET Servicos de Comunicao S.A
10620 2691 435 209 Telmex Colombia S.A.
18881 1778 908 20 Global Village Telecom
7303 1743 1163 230 Telecom Argentina Stet-France
8151 1371 2857 429 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 855 93 89 Telconet S.A
6503 791 434 60 AVANTEL, S.A.
6147 788 373 27 Telefonica Del Peru
7738 780 1498 36 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
36998 1819 112 5 Sudanese Mobile Telephone (ZA
24863 889 338 26 LINKdotNET AS number
6713 598 653 27 Itissalat Al-MAGHRIB
8452 420 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
36992 247 526 30 Etisalat MISR
29571 239 21 14 Ci Telecom Autonomous system
15706 219 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 3430 1839 90 NET Servicos de Comunicao S.A
6389 3028 3688 53 BellSouth.net Inc.
4766 2948 11558 952 Korea Telecom (KIX)
17974 2731 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2691 435 209 Telmex Colombia S.A.
22773 2303 2939 139 Cox Communications, Inc.
1785 2146 686 131 PaeTec Communications, Inc.
7545 2121 319 112 TPG Internet Pty Ltd
18566 2050 379 178 MegaPath Corporation
8402 1884 544 16 OJSC "Vimpelcom"
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 3028 2975 BellSouth.net Inc.
17974 2731 2643 PT TELEKOMUNIKASI INDONESIA
10620 2691 2482 Telmex Colombia S.A.
22773 2303 2164 Cox Communications, Inc.
1785 2146 2015 PaeTec Communications, Inc.
7545 2121 2009 TPG Internet Pty Ltd
4766 2948 1996 Korea Telecom (KIX)
18566 2050 1872 MegaPath Corporation
8402 1884 1868 OJSC "Vimpelcom"
36998 1819 1814 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 46887 Lightower Fiber Netw
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
62861 UNALLOCATED 12.37.197.0/24 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 Communications
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 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 /12:253
/13:473 /14:937 /15:1636 /16:12859 /17:6759 /18:11374
/19:23196 /20:32966 /21:35768 /22:50414 /23:44040 /24:252543
/25:837 /26:986 /27:448 /28:48 /29:72 /30:26
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2005 2050 MegaPath Corporation
36998 1786 1819 Sudanese Mobile Telephone (ZA
6389 1699 3028 BellSouth.net Inc.
8402 1584 1884 OJSC "Vimpelcom"
22773 1553 2303 Cox Communications, Inc.
30036 1216 1375 Mediacom Communications Corp
1785 1163 2146 PaeTec Communications, Inc.
11492 1148 1185 Cable One
6983 1037 1295 ITC^Deltacom
22561 977 1252 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:925 2:855 3:3 4:16 5:829 6:21
8:618 12:1883 13:3 14:901 15:9 16:3
17:19 20:34 23:616 24:1754 27:1702 31:1516
32:46 33:2 34:5 36:104 37:1955 38:919
39:3 40:182 41:3216 42:238 44:14 46:2106
47:10 49:703 50:859 52:12 54:44 55:5
56:4 57:26 58:1144 59:583 60:370 61:1498
62:1229 63:1978 64:4397 65:2334 66:4133 67:2115
68:1088 69:3295 70:909 71:511 72:2025 74:2587
75:323 76:305 77:1215 78:1029 79:676 80:1285
81:1084 82:643 83:754 84:630 85:1275 86:398
87:1015 88:524 89:1568 90:150 91:5734 92:626
93:1617 94:2104 95:1509 96:520 97:351 98:1082
99:41 100:32 101:693 103:3870 105:533 106:144
107:255 108:548 109:2019 110:966 111:1135 112:607
113:811 114:753 115:1044 116:1014 117:830 118:1237
119:1279 120:340 121:771 122:1885 123:1267 124:1388
125:1447 128:638 129:232 130:357 131:665 132:355
133:159 134:310 135:73 136:277 137:252 138:353
139:171 140:202 141:349 142:550 143:406 144:498
145:90 146:550 147:436 148:790 149:360 150:153
151:479 152:408 153:208 154:49 155:518 156:313
157:419 158:285 159:788 160:359 161:454 162:961
163:252 164:636 165:586 166:280 167:641 168:1044
169:123 170:1151 171:185 172:12 173:1714 174:675
175:547 176:1338 177:2573 178:1905 179:327 180:1604
181:915 182:1423 183:477 184:623 185:1145 186:2779
187:1449 188:1956 189:1269 190:7315 192:7078 193:5440
194:4033 195:3389 196:1347 197:1076 198:4806 199:5527
200:6058 201:2545 202:9016 203:8904 204:4535 205:2637
206:2906 207:2820 208:3955 209:3694 210:3080 211:1632
212:2184 213:1973 214:873 215:85 216:5430 217:1723
218:622 219:323 220:1273 221:591 222:332 223:563
End of report
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