* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 23 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 454964
Prefixes after maximum aggregation: 185558
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224499
Total ASes present in the Internet Routing Table: 44149
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34647
Origin ASes announcing only one prefix: 16119
Transit ASes present in the Internet Routing Table: 5839
Transit-only ASes present in the Internet Routing Table: 150
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 55644) 23
Prefixes from unregistered ASNs in the Routing Table: 320
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4772
Number of 32-bit ASNs visible in the Routing Table: 3663
Prefixes from 32-bit ASNs in the Routing Table: 10479
Special use prefixes present in the Routing Table: 25
Prefixes being announced from unallocated address space: 247
Number of addresses announced to Internet: 2618875820
Equivalent to 156 /8s, 24 /16s and 223 /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: 160461
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108973
Total APNIC prefixes after maximum aggregation: 33481
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110370
Unique aggregates announced from the APNIC address blocks: 44798
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 22.78
APNIC Region origin ASes announcing only one prefix: 1222
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: 536
Number of APNIC addresses announced to Internet: 722702304
Equivalent to 43 /8s, 19 /16s and 143 /24s
Percentage of available APNIC address space announced: 84.5
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: 159590
Total ARIN prefixes after maximum aggregation: 80401
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160166
Unique aggregates announced from the ARIN address blocks: 73206
ARIN Region origin ASes present in the Internet Routing Table: 15709
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5988
ARIN Region transit ASes present in the Internet Routing Table: 1631
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 19
Number of ARIN addresses announced to Internet: 1062451776
Equivalent to 63 /8s, 83 /16s and 186 /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: 117337
Total RIPE prefixes after maximum aggregation: 59846
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120933
Unique aggregates announced from the RIPE address blocks: 78045
RIPE Region origin ASes present in the Internet Routing Table: 17189
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2811
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: 2340
Number of RIPE addresses announced to Internet: 656430948
Equivalent to 39 /8s, 32 /16s and 87 /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: 47642
Total LACNIC prefixes after maximum aggregation: 9291
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51848
Unique aggregates announced from the LACNIC address blocks: 24337
LACNIC Region origin ASes present in the Internet Routing Table: 1935
LACNIC Prefixes per ASN: 26.79
LACNIC Region origin ASes announcing only one prefix: 572
LACNIC Region transit ASes present in the Internet Routing Table: 353
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 762
Number of LACNIC addresses announced to Internet: 129562920
Equivalent to 7 /8s, 184 /16s and 249 /24s
Percentage of available LACNIC address space announced: 77.2
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: 10856
Total AfriNIC prefixes after maximum aggregation: 2499
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11400
Unique aggregates announced from the AfriNIC address blocks: 3887
AfriNIC Region origin ASes present in the Internet Routing Table: 631
AfriNIC Prefixes per ASN: 18.07
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 136
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: 46371328
Equivalent to 2 /8s, 195 /16s and 146 /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 2962 11559 926 Korea Telecom (KIX)
17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA
7545 1978 320 107 TPG Internet Pty Ltd
4755 1736 391 192 TATA Communications formerly
9829 1509 1205 40 BSNL National Internet Backbo
9583 1220 91 503 Sify Limited
7552 1168 1064 12 Vietel Corporation
4808 1134 2112 328 CNCGROUP IP network: China169
9498 1111 309 72 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 3018 3693 79 bellsouth.net, inc.
7029 2229 1265 209 Windstream Communications Inc
18566 2066 382 184 Covad Communications
1785 1991 677 124 PaeTec Communications, Inc.
22773 1978 2929 125 Cox Communications, Inc.
20115 1670 1609 614 Charter Communications
4323 1617 1138 399 Time Warner Telecom
30036 1330 296 644 Mediacom Communications Corp
7018 1316 11106 844 AT&T WorldNet Services
11492 1232 220 343 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 1849 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1204 240 228 BILISIM TELEKOM
20940 855 298 672 Akamai Technologies European
13188 827 98 73 Educational Network
31148 794 39 23 FreeNet ISP
6830 770 2376 443 UPC Distribution Services
8551 770 370 43 Bezeq International
34744 690 173 56 SC GVM SISTEM 2003 SRL
12479 669 779 67 Uni2 Autonomous System
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 2753 1536 114 NET Servicos de Comunicao S.A
10620 2624 412 226 TVCABLE BOGOTA
7303 1725 1154 223 Telecom Argentina Stet-France
8151 1258 2707 396 UniNet S.A. de C.V.
18881 941 780 19 Global Village Telecom
6503 929 435 68 AVANTEL, S.A.
27947 838 89 97 Telconet S.A
3816 706 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 608 87 64 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 884 274 32 LINKdotNET AS number
6713 538 615 24 Itissalat Al-MAGHRIB
8452 444 956 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 3018 3693 79 bellsouth.net, inc.
4766 2962 11559 926 Korea Telecom (KIX)
28573 2753 1536 114 NET Servicos de Comunicao S.A
10620 2624 412 226 TVCABLE BOGOTA
17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA
7029 2229 1265 209 Windstream Communications Inc
18566 2066 382 184 Covad Communications
1785 1991 677 124 PaeTec Communications, Inc.
7545 1978 320 107 TPG Internet Pty Ltd
22773 1978 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 2753 2639 NET Servicos de Comunicao S.A
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
10620 2624 2398 TVCABLE BOGOTA
4766 2962 2036 Korea Telecom (KIX)
7029 2229 2020 Windstream Communications Inc
18566 2066 1882 Covad Communications
7545 1978 1871 TPG Internet Pty Ltd
1785 1991 1867 PaeTec Communications, Inc.
22773 1978 1853 Cox Communications, Inc.
8402 1849 1833 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
128.0.53.0/24 60993 Totalsoft SA
128.0.57.0/24 60993 Totalsoft SA
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
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
64.18.128.0/19 23456 32-bit ASN transition
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.
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 /11:88 /12:249
/13:485 /14:894 /15:1584 /16:12696 /17:6651 /18:11162
/19:22173 /20:32043 /21:34236 /22:47417 /23:42318 /24:238926
/25:1308 /26:1677 /27:849 /28:45 /29:67 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1733 3018 bellsouth.net, inc.
7029 1689 2229 Windstream Communications Inc
8402 1543 1849 Corbina telecom
22773 1286 1978 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1200 1330 Mediacom Communications Corp
11492 1193 1232 Cable One
1785 1062 1991 PaeTec Communications, Inc.
6983 1008 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:797 2:813 3:3 4:15 5:884 6:8
8:554 12:1908 13:3 14:821 15:11 16:3
17:9 20:17 23:274 24:1768 27:1468 31:1280
32:43 33:2 34:5 36:28 37:1871 38:874
39:2 40:172 41:2759 42:192 44:6 46:1909
47:2 49:586 50:710 52:12 54:35 55:7
57:26 58:1154 59:574 60:313 61:1397 62:1102
63:2028 64:4329 65:2181 66:4365 67:2061 68:1131
69:3299 70:880 71:541 72:1920 74:2559 75:415
76:307 77:1111 78:1049 79:587 80:1262 81:987
82:625 83:571 84:533 85:1164 86:461 87:975
88:538 89:1750 90:153 91:5475 92:592 93:1701
94:1840 95:1566 96:513 97:344 98:1054 99:41
100:30 101:323 103:2607 105:519 106:92 107:209
108:519 109:1844 110:884 111:1032 112:507 113:798
114:710 115:946 116:917 117:798 118:1078 119:1292
120:406 121:722 122:1794 123:1222 124:1350 125:1352
128:642 129:220 130:324 131:640 132:346 133:149
134:267 135:66 136:221 137:261 138:344 139:196
140:206 141:328 142:549 143:381 144:484 145:93
146:512 147:396 148:681 149:371 150:159 151:573
152:416 153:199 154:43 155:395 156:264 157:400
158:280 159:728 160:339 161:430 162:444 163:218
164:590 165:498 166:298 167:588 168:1035 169:129
170:1026 171:178 172:22 173:1655 174:584 175:492
176:1287 177:2009 178:1867 179:7 180:1442 181:399
182:1197 183:385 184:673 185:449 186:2280 187:1283
188:2139 189:1320 190:6348 192:6629 193:5866 194:4587
195:3419 196:1358 197:909 198:4446 199:5314 200:5928
201:2239 202:8864 203:8847 204:4500 205:2558 206:2846
207:2892 208:4059 209:3627 210:2966 211:1513 212:2210
213:1932 214:917 215:98 216:5245 217:1608 218:616
219:330 220:1259 221:558 222:318 223:447
End of report
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