* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 20 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455981
Prefixes after maximum aggregation: 185918
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 226538
Total ASes present in the Internet Routing Table: 44332
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34742
Origin ASes announcing only one prefix: 16164
Transit ASes present in the Internet Routing Table: 5866
Transit-only ASes present in the Internet Routing Table: 147
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: 1210
Unregistered ASNs in the Routing Table: 532
Number of 32-bit ASNs allocated by the RIRs: 4800
Number of 32-bit ASNs visible in the Routing Table: 3724
Prefixes from 32-bit ASNs in the Routing Table: 10824
Special use prefixes present in the Routing Table: 25
Prefixes being announced from unallocated address space: 228
Number of addresses announced to Internet: 2642148652
Equivalent to 157 /8s, 123 /16s and 253 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.6
Total number of prefixes smaller than registry allocations: 160050
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109599
Total APNIC prefixes after maximum aggregation: 33546
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 111145
Unique aggregates announced from the APNIC address blocks: 45278
APNIC Region origin ASes present in the Internet Routing Table: 4853
APNIC Prefixes per ASN: 22.90
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: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 580
Number of APNIC addresses announced to Internet: 725020384
Equivalent to 43 /8s, 54 /16s and 238 /24s
Percentage of available APNIC address space announced: 84.7
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: 158989
Total ARIN prefixes after maximum aggregation: 80416
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159621
Unique aggregates announced from the ARIN address blocks: 74032
ARIN Region origin ASes present in the Internet Routing Table: 15743
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5995
ARIN Region transit ASes present in the Internet Routing Table: 1645
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: 1081728576
Equivalent to 64 /8s, 121 /16s and 222 /24s
Percentage of available ARIN address space announced: 57.2
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, 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: 117234
Total RIPE prefixes after maximum aggregation: 60077
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120774
Unique aggregates announced from the RIPE address blocks: 78288
RIPE Region origin ASes present in the Internet Routing Table: 17236
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8178
RIPE Region transit ASes present in the Internet Routing Table: 2829
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: 2356
Number of RIPE addresses announced to Internet: 656424036
Equivalent to 39 /8s, 32 /16s and 60 /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: 48331
Total LACNIC prefixes after maximum aggregation: 9310
LACNIC Deaggregation factor: 5.19
Prefixes being announced from the LACNIC address blocks: 52717
Unique aggregates announced from the LACNIC address blocks: 24790
LACNIC Region origin ASes present in the Internet Routing Table: 1959
LACNIC Prefixes per ASN: 26.91
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 362
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: 763
Number of LACNIC addresses announced to Internet: 132357288
Equivalent to 7 /8s, 227 /16s and 156 /24s
Percentage of available LACNIC address space announced: 78.9
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: 10910
Total AfriNIC prefixes after maximum aggregation: 2528
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 11496
Unique aggregates announced from the AfriNIC address blocks: 3939
AfriNIC Region origin ASes present in the Internet Routing Table: 642
AfriNIC Prefixes per ASN: 17.91
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 46315776
Equivalent to 2 /8s, 194 /16s and 185 /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 2948 11561 922 Korea Telecom (KIX)
17974 2554 855 91 PT TELEKOMUNIKASI INDONESIA
7545 2005 320 109 TPG Internet Pty Ltd
4755 1745 391 191 TATA Communications formerly
9829 1510 1205 40 BSNL National Internet Backbo
9583 1218 91 503 Sify Limited
7552 1150 1080 13 Vietel Corporation
4808 1144 2124 334 CNCGROUP IP network: China169
9498 1132 309 71 BHARTI Airtel Ltd.
24560 1077 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 3003 3691 74 bellsouth.net, inc.
18566 2064 382 184 Covad Communications
1785 1993 678 125 PaeTec Communications, Inc.
22773 1985 2927 122 Cox Communications, Inc.
20115 1667 1618 615 Charter Communications
4323 1623 1138 403 Time Warner Telecom
701 1533 11143 800 UUNET Technologies, Inc.
30036 1336 301 645 Mediacom Communications Corp
7018 1299 11039 831 AT&T WorldNet Services
11492 1221 217 360 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 1718 544 16 Corbina telecom
34984 1278 244 222 BILISIM TELEKOM
2118 1069 97 13 EUnet/RELCOM Autonomous Syste
20940 900 315 703 Akamai Technologies European
13188 825 98 79 Educational Network
31148 803 40 26 FreeNet ISP
8551 773 370 44 Bezeq International
6830 765 2376 439 UPC Distribution Services
12479 681 786 59 Uni2 Autonomous System
34744 675 172 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 2822 1558 107 NET Servicos de Comunicao S.A
10620 2662 418 209 TVCABLE BOGOTA
7303 1653 1150 168 Telecom Argentina Stet-France
8151 1280 2719 399 UniNet S.A. de C.V.
18881 998 844 20 Global Village Telecom
6503 864 434 64 AVANTEL, S.A.
27947 842 89 106 Telconet S.A
3816 715 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
6147 665 374 25 Telefonica Del Peru
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 31 LINKdotNET AS number
6713 537 617 25 Itissalat Al-MAGHRIB
8452 456 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 922 219 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 207 17 12 Ci Telecom Autonomous system
36992 194 527 21 Etisalat MISR
12258 192 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 3003 3691 74 bellsouth.net, inc.
4766 2948 11561 922 Korea Telecom (KIX)
28573 2822 1558 107 NET Servicos de Comunicao S.A
10620 2662 418 209 TVCABLE BOGOTA
17974 2554 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2064 382 184 Covad Communications
7545 2005 320 109 TPG Internet Pty Ltd
1785 1993 678 125 PaeTec Communications, Inc.
22773 1985 2927 122 Cox Communications, Inc.
4755 1745 391 191 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 2822 2715 NET Servicos de Comunicao S.A
17974 2554 2463 PT TELEKOMUNIKASI INDONESIA
10620 2662 2453 TVCABLE BOGOTA
4766 2948 2026 Korea Telecom (KIX)
7545 2005 1896 TPG Internet Pty Ltd
18566 2064 1880 Covad Communications
1785 1993 1868 PaeTec Communications, Inc.
22773 1985 1863 Cox Communications, Inc.
8402 1718 1702 Corbina telecom
4755 1745 1554 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
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
128.0.53.0/24 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
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 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 /8:17 /9:11 /10:30 /11:91 /12:250
/13:483 /14:900 /15:1603 /16:12702 /17:6647 /18:11163
/19:22155 /20:32041 /21:34427 /22:47571 /23:42215 /24:239706
/25:1308 /26:1657 /27:857 /28:46 /29:65 /30:19
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications
6389 1723 3003 bellsouth.net, inc.
8402 1414 1718 Corbina telecom
22773 1293 1985 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1203 1336 Mediacom Communications Corp
11492 1183 1221 Cable One
1785 1062 1993 PaeTec Communications, Inc.
6983 1011 1140 ITC^Deltacom
10620 992 2662 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:828 2:840 3:3 4:19 5:796 6:15
8:557 12:1928 13:3 14:838 15:11 16:3
17:10 20:17 23:313 24:1772 27:1475 31:1323
32:43 33:2 34:5 36:46 37:1871 38:877
39:2 40:170 41:2772 42:196 44:8 46:1902
47:2 49:655 50:735 52:12 54:35 55:6
57:26 58:1158 59:575 60:315 61:1407 62:1128
63:2026 64:4308 65:2159 66:4176 67:2080 68:1078
69:3260 70:852 71:488 72:1916 74:2475 75:322
76:303 77:1124 78:1053 79:612 80:1264 81:1008
82:619 83:581 84:541 85:1154 86:430 87:992
88:537 89:1746 90:147 91:5526 92:606 93:1730
94:1856 95:1656 96:514 97:347 98:1010 99:42
100:30 101:328 103:2811 105:517 106:150 107:208
108:513 109:1838 110:904 111:1044 112:544 113:812
114:713 115:961 116:958 117:802 118:1101 119:1315
120:382 121:734 122:1801 123:1220 124:1376 125:1375
128:638 129:222 130:311 131:666 132:360 133:155
134:268 135:67 136:222 137:242 138:360 139:191
140:210 141:331 142:532 143:388 144:502 145:94
146:507 147:380 148:684 149:348 150:157 151:532
152:419 153:189 154:23 155:412 156:268 157:397
158:279 159:730 160:346 161:448 162:443 163:222
164:602 165:497 166:241 167:595 168:1036 169:130
170:972 171:182 172:21 173:1578 174:536 175:470
176:995 177:2055 178:1877 179:37 180:1460 181:464
182:1217 183:383 184:653 185:546 186:2274 187:1293
188:2141 189:1255 190:6814 192:6747 193:5680 194:4603
195:3433 196:1363 197:948 198:4498 199:5336 200:5996
201:2221 202:8828 203:8890 204:4516 205:2571 206:2799
207:2846 208:4065 209:3682 210:2955 211:1516 212:2181
213:1973 214:929 215:99 216:5298 217:1614 218:619
219:336 220:1282 221:557 222:326 223:458
End of report
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