* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 21 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 454714
Prefixes after maximum aggregation: 185409
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224595
Total ASes present in the Internet Routing Table: 44135
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34633
Origin ASes announcing only one prefix: 16118
Transit ASes present in the Internet Routing Table: 5847
Transit-only ASes present in the Internet Routing Table: 152
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 19037) 22
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: 4769
Number of 32-bit ASNs visible in the Routing Table: 3655
Prefixes from 32-bit ASNs in the Routing Table: 10431
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 241
Number of addresses announced to Internet: 2616841644
Equivalent to 155 /8s, 249 /16s and 213 /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: 160414
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108986
Total APNIC prefixes after maximum aggregation: 33487
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110364
Unique aggregates announced from the APNIC address blocks: 44793
APNIC Region origin ASes present in the Internet Routing Table: 4846
APNIC Prefixes per ASN: 22.77
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 824
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: 531
Number of APNIC addresses announced to Internet: 722421984
Equivalent to 43 /8s, 15 /16s and 72 /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: 159550
Total ARIN prefixes after maximum aggregation: 80281
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160111
Unique aggregates announced from the ARIN address blocks: 73361
ARIN Region origin ASes present in the Internet Routing Table: 15704
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5981
ARIN Region transit ASes present in the Internet Routing Table: 1632
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: 1062102592
Equivalent to 63 /8s, 78 /16s and 102 /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: 117164
Total RIPE prefixes after maximum aggregation: 59819
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120762
Unique aggregates announced from the RIPE address blocks: 77994
RIPE Region origin ASes present in the Internet Routing Table: 17187
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2808
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: 2337
Number of RIPE addresses announced to Internet: 656396900
Equivalent to 39 /8s, 31 /16s and 210 /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: 47652
Total LACNIC prefixes after maximum aggregation: 9271
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 51838
Unique aggregates announced from the LACNIC address blocks: 24314
LACNIC Region origin ASes present in the Internet Routing Table: 1936
LACNIC Prefixes per ASN: 26.78
LACNIC Region origin ASes announcing only one prefix: 573
LACNIC Region transit ASes present in the Internet Routing Table: 355
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: 129182760
Equivalent to 7 /8s, 179 /16s and 44 /24s
Percentage of available LACNIC address space announced: 77.0
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: 10844
Total AfriNIC prefixes after maximum aggregation: 2511
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 11398
Unique aggregates announced from the AfriNIC address blocks: 3910
AfriNIC Region origin ASes present in the Internet Routing Table: 628
AfriNIC Prefixes per ASN: 18.15
AfriNIC Region origin ASes announcing only one prefix: 185
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: 46447616
Equivalent to 2 /8s, 196 /16s and 188 /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 2959 11559 924 Korea Telecom (KIX)
17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA
7545 1980 320 108 TPG Internet Pty Ltd
4755 1733 391 192 TATA Communications formerly
9829 1495 1205 40 BSNL National Internet Backbo
9583 1219 91 502 Sify Limited
7552 1168 1064 12 Vietel Corporation
4808 1121 2112 328 CNCGROUP IP network: China169
9498 1109 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 3019 3693 80 bellsouth.net, inc.
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
22773 1975 2929 125 Cox Communications, Inc.
20115 1669 1608 613 Charter Communications
4323 1620 1139 401 Time Warner Telecom
30036 1328 296 644 Mediacom Communications Corp
7018 1313 10820 847 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 1843 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1204 240 228 BILISIM TELEKOM
20940 840 291 665 Akamai Technologies European
13188 826 98 80 Educational Network
31148 792 39 22 FreeNet ISP
6830 770 2376 443 UPC Distribution Services
8551 770 370 43 Bezeq International
12479 687 782 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 2733 1532 113 NET Servicos de Comunicao S.A
10620 2638 413 215 TVCABLE BOGOTA
7303 1723 1153 221 Telecom Argentina Stet-France
8151 1248 2705 395 UniNet S.A. de C.V.
6503 975 435 68 AVANTEL, S.A.
18881 941 780 19 Global Village Telecom
27947 838 89 97 Telconet S.A
3816 705 306 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 885 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 451 956 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 3019 3693 80 bellsouth.net, inc.
4766 2959 11559 924 Korea Telecom (KIX)
28573 2733 1532 113 NET Servicos de Comunicao S.A
10620 2638 413 215 TVCABLE BOGOTA
17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
7545 1980 320 108 TPG Internet Pty Ltd
22773 1975 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 2733 2620 NET Servicos de Comunicao S.A
10620 2638 2423 TVCABLE BOGOTA
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
4766 2959 2035 Korea Telecom (KIX)
7029 2143 1932 Windstream Communications Inc
18566 2067 1883 Covad Communications
7545 1980 1872 TPG Internet Pty Ltd
1785 1990 1866 PaeTec Communications, Inc.
22773 1975 1850 Cox Communications, Inc.
8402 1843 1827 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 /11:88 /12:248
/13:485 /14:889 /15:1567 /16:12687 /17:6622 /18:11166
/19:22111 /20:32020 /21:34190 /22:47370 /23:42255 /24:238954
/25:1304 /26:1686 /27:864 /28:45 /29:67 /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 3019 bellsouth.net, inc.
7029 1611 2143 Windstream Communications Inc
8402 1539 1843 Corbina telecom
22773 1284 1975 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1198 1328 Mediacom Communications Corp
11492 1193 1232 Cable One
1785 1062 1990 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)
----------------------------------------------
1:805 2:810 3:3 4:15 5:883 6:7
8:554 12:1929 13:3 14:823 15:11 16:3
17:9 20:17 23:273 24:1769 27:1469 31:1270
32:43 33:2 34:5 36:28 37:1858 38:873
39:2 40:172 41:2781 42:192 44:6 46:1905
47:2 49:592 50:710 52:12 54:35 55:6
57:26 58:1149 59:571 60:313 61:1392 62:1105
63:2028 64:4329 65:2180 66:4359 67:2068 68:1128
69:3279 70:880 71:537 72:1921 74:2561 75:415
76:307 77:1113 78:1049 79:592 80:1255 81:987
82:623 83:570 84:531 85:1163 86:458 87:983
88:536 89:1791 90:163 91:5475 92:587 93:1708
94:1835 95:1511 96:521 97:344 98:1054 99:41
100:31 101:329 103:2600 105:519 106:90 107:209
108:520 109:1846 110:883 111:1031 112:513 113:797
114:709 115:954 116:911 117:795 118:1078 119:1290
120:406 121:725 122:1795 123:1215 124:1350 125:1354
128:637 129:224 130:324 131:652 132:345 133:149
134:265 135:66 136:222 137:261 138:344 139:197
140:208 141:327 142:549 143:376 144:482 145:92
146:512 147:395 148:696 149:372 150:158 151:571
152:418 153:199 154:43 155:394 156:264 157:399
158:280 159:728 160:338 161:426 162:442 163:218
164:594 165:448 166:301 167:587 168:1038 169:131
170:1024 171:178 172:21 173:1668 174:590 175:492
176:1291 177:2036 178:1865 179:8 180:1433 181:391
182:1212 183:380 184:677 185:447 186:2270 187:1304
188:2126 189:1361 190:6332 192:6627 193:5870 194:4584
195:3423 196:1340 197:905 198:4449 199:5320 200:5936
201:2246 202:8866 203:8846 204:4505 205:2568 206:2850
207:2895 208:4059 209:3633 210:2960 211:1514 212:2181
213:1947 214:914 215:98 216:5247 217:1606 218:616
219:330 220:1259 221:555 222:319 223:443
End of report
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