* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 05 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 457434
Prefixes after maximum aggregation: 186186
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 227139
Total ASes present in the Internet Routing Table: 44419
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34772
Origin ASes announcing only one prefix: 16157
Transit ASes present in the Internet Routing Table: 5885
Transit-only ASes present in the Internet Routing Table: 146
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2016
Unregistered ASNs in the Routing Table: 930
Number of 32-bit ASNs allocated by the RIRs: 4847
Number of 32-bit ASNs visible in the Routing Table: 3762
Prefixes from 32-bit ASNs in the Routing Table: 11124
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 226
Number of addresses announced to Internet: 2627528748
Equivalent to 156 /8s, 156 /16s and 232 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.7
Total number of prefixes smaller than registry allocations: 160169
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109720
Total APNIC prefixes after maximum aggregation: 33683
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 111594
Unique aggregates announced from the APNIC address blocks: 45779
APNIC Region origin ASes present in the Internet Routing Table: 4854
APNIC Prefixes per ASN: 22.99
APNIC Region origin ASes announcing only one prefix: 1216
APNIC Region transit ASes present in the Internet Routing Table: 827
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 596
Number of APNIC addresses announced to Internet: 725446880
Equivalent to 43 /8s, 61 /16s and 112 /24s
Percentage of available APNIC address space announced: 84.8
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: 158940
Total ARIN prefixes after maximum aggregation: 80399
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159563
Unique aggregates announced from the ARIN address blocks: 73808
ARIN Region origin ASes present in the Internet Routing Table: 15750
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5990
ARIN Region transit ASes present in the Internet Routing Table: 1639
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: 1065541440
Equivalent to 63 /8s, 130 /16s and 223 /24s
Percentage of available ARIN address space announced: 56.4
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: 117685
Total RIPE prefixes after maximum aggregation: 60183
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121143
Unique aggregates announced from the RIPE address blocks: 78528
RIPE Region origin ASes present in the Internet Routing Table: 17263
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8181
RIPE Region transit ASes present in the Internet Routing Table: 2832
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: 2373
Number of RIPE addresses announced to Internet: 656746852
Equivalent to 39 /8s, 37 /16s and 41 /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, 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: 48934
Total LACNIC prefixes after maximum aggregation: 9361
LACNIC Deaggregation factor: 5.23
Prefixes being announced from the LACNIC address blocks: 53377
Unique aggregates announced from the LACNIC address blocks: 24842
LACNIC Region origin ASes present in the Internet Routing Table: 1970
LACNIC Prefixes per ASN: 27.09
LACNIC Region origin ASes announcing only one prefix: 581
LACNIC Region transit ASes present in the Internet Routing Table: 363
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: 768
Number of LACNIC addresses announced to Internet: 133151400
Equivalent to 7 /8s, 239 /16s and 186 /24s
Percentage of available LACNIC address space announced: 79.4
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: 10935
Total AfriNIC prefixes after maximum aggregation: 2517
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11531
Unique aggregates announced from the AfriNIC address blocks: 3974
AfriNIC Region origin ASes present in the Internet Routing Table: 644
AfriNIC Prefixes per ASN: 17.91
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46343936
Equivalent to 2 /8s, 195 /16s and 39 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2939 11561 922 Korea Telecom (KIX)
17974 2567 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2017 320 105 TPG Internet Pty Ltd
4755 1752 391 192 TATA Communications formerly
9829 1520 1205 40 BSNL National Internet Backbo
9583 1461 117 563 Sify Limited
4808 1173 2151 340 CNCGROUP IP network: China169
7552 1159 1080 13 Vietel Corporation
9498 1149 309 71 BHARTI Airtel Ltd.
24560 1080 394 164 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 2990 3691 69 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1995 678 126 PaeTec Communications, Inc.
22773 1988 2927 123 Cox Communications, Inc.
20115 1667 1618 620 Charter Communications
4323 1622 1138 403 Time Warner Telecom
701 1530 11127 797 UUNET Technologies, Inc.
30036 1338 300 662 Mediacom Communications Corp
7018 1296 11035 820 AT&T WorldNet Services
11492 1223 218 359 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 1643 544 16 Corbina telecom
34984 1280 244 222 BILISIM TELEKOM
2118 1271 97 13 EUnet/RELCOM Autonomous Syste
20940 907 318 712 Akamai Technologies European
13188 825 98 79 Educational Network
31148 808 40 25 FreeNet ISP
6830 782 2375 439 UPC Distribution Services
8551 779 370 45 Bezeq International
12479 673 789 57 Uni2 Autonomous System
34744 656 171 76 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 2918 1574 106 NET Servicos de Comunicao S.A
10620 2676 419 198 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1270 2743 384 UniNet S.A. de C.V.
18881 1075 844 20 Global Village Telecom
6503 865 434 63 AVANTEL, S.A.
27947 824 94 93 Telconet S.A
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 616 88 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 1172 80 4 MOBITEL
24863 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 461 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 220 32 6 Sudatel Internet Exchange Aut
29571 219 17 12 Ci Telecom Autonomous system
36992 203 527 21 Etisalat MISR
12258 193 28 66 Vodacom Internet Company
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 2990 3691 69 bellsouth.net, inc.
4766 2939 11561 922 Korea Telecom (KIX)
28573 2918 1574 106 NET Servicos de Comunicao S.A
10620 2676 419 198 TVCABLE BOGOTA
17974 2567 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2017 320 105 TPG Internet Pty Ltd
1785 1995 678 126 PaeTec Communications, Inc.
22773 1988 2927 123 Cox Communications, Inc.
4755 1752 391 192 TATA Communications formerly
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 2918 2812 NET Servicos de Comunicao S.A
10620 2676 2478 TVCABLE BOGOTA
17974 2567 2475 PT TELEKOMUNIKASI INDONESIA
4766 2939 2017 Korea Telecom (KIX)
7545 2017 1912 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1995 1869 PaeTec Communications, Inc.
22773 1988 1865 Cox Communications, Inc.
8402 1643 1627 Corbina telecom
4755 1752 1560 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
60525 UNALLOCATED 5.63.128.0/22 174 Cogent Communication
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
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
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.55.0/24 48571 SC efectRO SRL
128.0.57.0/24 60993 Totalsoft SA
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 /9:11 /10:30 /11:92 /12:250
/13:482 /14:899 /15:1604 /16:12718 /17:6648 /18:11099
/19:22478 /20:32091 /21:34501 /22:48089 /23:42377 /24:240095
/25:1305 /26:1646 /27:859 /28:43 /29:66 /30:19
/31:0 /32:16
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1717 2990 bellsouth.net, inc.
8402 1346 1643 Corbina telecom
22773 1293 1988 Cox Communications, Inc.
30036 1206 1338 Mediacom Communications Corp
11492 1184 1223 Cable One
36998 1140 1172 MOBITEL
1785 1063 1995 PaeTec Communications, Inc.
6983 1015 1145 ITC^Deltacom
10620 998 2676 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:844 2:751 3:3 4:19 5:811 6:16
8:562 12:1920 13:3 14:863 15:11 16:3
17:10 20:17 23:292 24:1771 27:1474 31:1248
32:45 33:2 34:5 36:52 37:1870 38:879
39:2 40:171 41:2773 42:204 44:8 46:1914
47:2 49:664 50:750 52:12 54:35 55:4
57:27 58:1155 59:584 60:328 61:1409 62:1128
63:2013 64:4329 65:2161 66:4173 67:2038 68:1076
69:3278 70:835 71:491 72:1925 74:2463 75:324
76:307 77:1119 78:1008 79:619 80:1268 81:1018
82:625 83:594 84:587 85:1179 86:449 87:1013
88:538 89:1749 90:149 91:5516 92:603 93:1764
94:1897 95:1609 96:523 97:344 98:1014 99:42
100:29 101:324 103:2906 105:470 106:138 107:207
108:512 109:1844 110:905 111:1059 112:546 113:816
114:683 115:965 116:961 117:798 118:1094 119:1314
120:387 121:734 122:1797 123:1219 124:1375 125:1384
128:631 129:225 130:302 131:666 132:359 133:155
134:269 135:68 136:223 137:242 138:340 139:190
140:205 141:326 142:540 143:377 144:483 145:94
146:509 147:388 148:670 149:350 150:146 151:504
152:418 153:189 154:24 155:412 156:265 157:399
158:279 159:716 160:344 161:451 162:479 163:222
164:601 165:498 166:254 167:595 168:1044 169:129
170:1058 171:180 172:21 173:1595 174:551 175:473
176:1130 177:2125 178:1858 179:51 180:1460 181:492
182:1254 183:423 184:668 185:606 186:2305 187:1302
188:2060 189:1290 190:6773 192:6804 193:5852 194:4620
195:3461 196:1359 197:894 198:4507 199:5348 200:6016
201:2208 202:8788 203:8874 204:4510 205:2558 206:2807
207:2848 208:4019 209:3607 210:2920 211:1518 212:2181
213:1983 214:904 215:99 216:5247 217:1610 218:620
219:323 220:1280 221:557 222:321 223:448
End of report
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