Routing Table Report 04:00 +10GMT Fri 17 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 454411
Prefixes after maximum aggregation: 185439
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224695
Total ASes present in the Internet Routing Table: 44075
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34605
Origin ASes announcing only one prefix: 16106
Transit ASes present in the Internet Routing Table: 5832
Transit-only ASes present in the Internet Routing Table: 149
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 322
Unregistered ASNs in the Routing Table: 137
Number of 32-bit ASNs allocated by the RIRs: 4768
Number of 32-bit ASNs visible in the Routing Table: 3638
Prefixes from 32-bit ASNs in the Routing Table: 10343
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 318
Number of addresses announced to Internet: 2615842252
Equivalent to 155 /8s, 234 /16s and 149 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.5
Total number of prefixes smaller than registry allocations: 159918
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109094
Total APNIC prefixes after maximum aggregation: 33491
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110460
Unique aggregates announced from the APNIC address blocks: 44923
APNIC Region origin ASes present in the Internet Routing Table: 4842
APNIC Prefixes per ASN: 22.81
APNIC Region origin ASes announcing only one prefix: 1231
APNIC Region transit ASes present in the Internet Routing Table: 819
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 528
Number of APNIC addresses announced to Internet: 722321120
Equivalent to 43 /8s, 13 /16s and 190 /24s
Percentage of available APNIC address space announced: 84.4
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: 159700
Total ARIN prefixes after maximum aggregation: 80358
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160282
Unique aggregates announced from the ARIN address blocks: 73580
ARIN Region origin ASes present in the Internet Routing Table: 15696
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5976
ARIN Region transit ASes present in the Internet Routing Table: 1636
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 19
Number of ARIN addresses announced to Internet: 1061674368
Equivalent to 63 /8s, 71 /16s and 221 /24s
Percentage of available ARIN address space announced: 56.2
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: 117077
Total RIPE prefixes after maximum aggregation: 59769
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120640
Unique aggregates announced from the RIPE address blocks: 77874
RIPE Region origin ASes present in the Internet Routing Table: 17162
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8137
RIPE Region transit ASes present in the Internet Routing Table: 2797
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2327
Number of RIPE addresses announced to Internet: 656457316
Equivalent to 39 /8s, 32 /16s and 190 /24s
Percentage of available RIPE address space announced: 95.4
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: 47272
Total LACNIC prefixes after maximum aggregation: 9288
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 51323
Unique aggregates announced from the LACNIC address blocks: 24147
LACNIC Region origin ASes present in the Internet Routing Table: 1935
LACNIC Prefixes per ASN: 26.52
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 357
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 758
Number of LACNIC addresses announced to Internet: 128611592
Equivalent to 7 /8s, 170 /16s and 117 /24s
Percentage of available LACNIC address space announced: 76.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10835
Total AfriNIC prefixes after maximum aggregation: 2490
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 11388
Unique aggregates announced from the AfriNIC address blocks: 3879
AfriNIC Region origin ASes present in the Internet Routing Table: 624
AfriNIC Prefixes per ASN: 18.25
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46385920
Equivalent to 2 /8s, 195 /16s and 203 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2958 11559 924 Korea Telecom (KIX)
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1981 320 109 TPG Internet Pty Ltd
4755 1727 391 192 TATA Communications formerly
9829 1510 1205 40 BSNL National Internet Backbo
9583 1219 91 502 Sify Limited
7552 1171 1064 12 Vietel Corporation
4808 1119 2112 327 CNCGROUP IP network: China169
9498 1107 309 71 BHARTI Airtel Ltd.
24560 1069 393 166 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 3021 3693 82 bellsouth.net, inc.
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 123 PaeTec Communications, Inc.
22773 1973 2929 125 Cox Communications, Inc.
20115 1668 1608 617 Charter Communications
4323 1619 1139 401 Time Warner Telecom
30036 1326 295 645 Mediacom Communications Corp
7018 1311 10819 850 AT&T WorldNet Services
11492 1231 220 345 Cable One
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 1816 544 16 Corbina telecom
2118 1349 97 13 EUnet/RELCOM Autonomous Syste
34984 1203 240 227 BILISIM TELEKOM
20940 832 286 659 Akamai Technologies European
13188 820 97 84 Educational Network
31148 791 39 21 FreeNet ISP
6830 770 2376 443 UPC Distribution Services
8551 770 370 43 Bezeq International
12479 685 782 67 Uni2 Autonomous System
34744 676 173 56 SC GVM SISTEM 2003 SRL
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 2721 1528 113 NET Servicos de Comunicao S.A
10620 2630 412 223 TVCABLE BOGOTA
7303 1724 1154 222 Telecom Argentina Stet-France
8151 1246 2705 395 UniNet S.A. de C.V.
6503 971 435 68 AVANTEL, S.A.
18881 934 780 19 Global Village Telecom
27947 831 88 98 Telconet S.A
3816 705 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 609 87 65 Servicios Alestra S.A de C.V
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 1237 80 4 MOBITEL
24863 885 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 441 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 22 Etisalat MISR
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 3021 3693 82 bellsouth.net, inc.
4766 2958 11559 924 Korea Telecom (KIX)
28573 2721 1528 113 NET Servicos de Comunicao S.A
10620 2630 412 223 TVCABLE BOGOTA
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 123 PaeTec Communications, Inc.
7545 1981 320 109 TPG Internet Pty Ltd
22773 1973 2929 125 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2721 2608 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2630 2407 TVCABLE BOGOTA
4766 2958 2034 Korea Telecom (KIX)
7029 2143 1932 Windstream Communications Inc
18566 2067 1883 Covad Communications
7545 1981 1872 TPG Internet Pty Ltd
1785 1990 1867 PaeTec Communications, Inc.
22773 1973 1848 Cox Communications, Inc.
8402 1816 1800 Corbina telecom
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
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
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 27431 JTL Networks Inc.
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 /9:13 /10:30 /11:87 /12:249
/13:490 /14:883 /15:1567 /16:12682 /17:6627 /18:11178
/19:22120 /20:32026 /21:34134 /22:47244 /23:42199 /24:238733
/25:1359 /26:1755 /27:868 /28:46 /29:68 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1733 3021 bellsouth.net, inc.
7029 1611 2143 Windstream Communications Inc
8402 1513 1816 Corbina telecom
22773 1282 1973 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1196 1326 Mediacom Communications Corp
11492 1192 1231 Cable One
1785 1061 1990 PaeTec Communications, Inc.
6983 1007 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:807 2:801 3:3 4:15 5:878 6:7
8:559 12:1931 13:3 14:822 15:11 16:3
17:9 20:17 23:277 24:1771 27:1517 31:1283
32:43 33:2 34:5 36:28 37:1848 38:875
39:2 40:172 41:2789 42:191 44:6 46:1901
47:2 49:637 50:706 52:12 54:35 55:7
57:26 58:1140 59:572 60:313 61:1390 62:1089
63:2026 64:4313 65:2195 66:4360 67:2043 68:1126
69:3278 70:880 71:537 72:1923 74:2556 75:415
76:307 77:1111 78:1049 79:592 80:1251 81:992
82:623 83:557 84:529 85:1160 86:461 87:978
88:536 89:1792 90:163 91:5472 92:591 93:1707
94:1845 95:1486 96:529 97:344 98:1052 99:41
100:31 101:329 103:2585 105:535 106:153 107:209
108:520 109:1848 110:880 111:1055 112:513 113:791
114:710 115:943 116:907 117:793 118:1071 119:1291
120:408 121:725 122:1792 123:1208 124:1349 125:1350
128:637 129:225 130:325 131:653 132:341 133:149
134:262 135:66 136:221 137:265 138:345 139:197
140:207 141:327 142:549 143:393 144:487 145:92
146:513 147:390 148:696 149:372 150:158 151:569
152:417 153:198 154:43 155:394 156:264 157:399
158:277 159:729 160:357 161:428 162:432 163:234
164:595 165:450 166:299 167:583 168:1032 169:129
170:1027 171:178 172:22 173:1669 174:592 175:487
176:1294 177:2005 178:1878 179:6 180:1430 181:365
182:1207 183:389 184:677 185:438 186:2270 187:1300
188:2122 189:1331 190:6188 192:6651 193:5860 194:4672
195:3421 196:1337 197:902 198:4457 199:5290 200:5875
201:2201 202:8850 203:8837 204:4509 205:2572 206:2865
207:2896 208:4072 209:3624 210:2944 211:1559 212:2114
213:1946 214:920 215:98 216:5235 217:1587 218:617
219:330 220:1279 221:555 222:319 223:444
End of report