* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 09 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 430490
Prefixes after maximum aggregation: 179699
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 211725
Total ASes present in the Internet Routing Table: 42530
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33779
Origin ASes announcing only one prefix: 15812
Transit ASes present in the Internet Routing Table: 5672
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 37
Prefixes from unregistered ASNs in the Routing Table: 1012
Unregistered ASNs in the Routing Table: 359
Number of 32-bit ASNs allocated by the RIRs: 3451
Number of 32-bit ASNs visible in the Routing Table: 3079
Prefixes from 32-bit ASNs in the Routing Table: 8359
Special use prefixes present in the Routing Table: 14
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2613278444
Equivalent to 155 /8s, 195 /16s and 118 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 150925
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104218
Total APNIC prefixes after maximum aggregation: 32554
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 105049
Unique aggregates announced from the APNIC address blocks: 43031
APNIC Region origin ASes present in the Internet Routing Table: 4795
APNIC Prefixes per ASN: 21.91
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 782
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 354
Number of APNIC addresses announced to Internet: 714254240
Equivalent to 42 /8s, 146 /16s and 167 /24s
Percentage of available APNIC address space announced: 83.5
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: 155206
Total ARIN prefixes after maximum aggregation: 78393
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156033
Unique aggregates announced from the ARIN address blocks: 69793
ARIN Region origin ASes present in the Internet Routing Table: 15268
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 5763
ARIN Region transit ASes present in the Internet Routing Table: 1592
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087810688
Equivalent to 64 /8s, 214 /16s and 172 /24s
Percentage of available ARIN address space announced: 57.5
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: 108748
Total RIPE prefixes after maximum aggregation: 57753
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 111461
Unique aggregates announced from the RIPE address blocks: 72416
RIPE Region origin ASes present in the Internet Routing Table: 16947
RIPE Prefixes per ASN: 6.58
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2751
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1992
Number of RIPE addresses announced to Internet: 648752292
Equivalent to 38 /8s, 171 /16s and 44 /24s
Percentage of available RIPE address space announced: 94.3
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: 44253
Total LACNIC prefixes after maximum aggregation: 8720
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 47695
Unique aggregates announced from the LACNIC address blocks: 22783
LACNIC Region origin ASes present in the Internet Routing Table: 1699
LACNIC Prefixes per ASN: 28.07
LACNIC Region origin ASes announcing only one prefix: 478
LACNIC Region transit ASes present in the Internet Routing Table: 326
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 710
Number of LACNIC addresses announced to Internet: 119043624
Equivalent to 7 /8s, 24 /16s and 118 /24s
Percentage of available LACNIC address space announced: 71.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 9588
Total AfriNIC prefixes after maximum aggregation: 2226
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 10090
Unique aggregates announced from the AfriNIC address blocks: 3564
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.80
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 4.7
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: 43105024
Equivalent to 2 /8s, 145 /16s and 187 /24s
Percentage of available AfriNIC address space announced: 42.8
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 11557 899 Korea Telecom (KIX)
17974 2420 825 45 PT TELEKOMUNIKASI INDONESIA
7545 1803 301 88 TPG Internet Pty Ltd
4755 1611 375 158 TATA Communications formerly
9829 1410 1154 41 BSNL National Internet Backbo
9583 1190 88 508 Sify Limited
7552 1125 1062 11 Vietel Corporation
4808 1111 2056 315 CNCGROUP IP network: China169
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 1020 310 73 BHARTI Airtel Ltd.
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
7029 3203 991 190 Windstream Communications Inc
6389 3167 3722 159 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1971 2931 128 Cox Communications, Inc.
1785 1934 678 128 PaeTec Communications, Inc.
20115 1670 1603 626 Charter Communications
4323 1589 1153 392 Time Warner Telecom
30036 1373 283 746 Mediacom Communications Corp
7018 1268 10275 846 AT&T WorldNet Services
7011 1222 334 692 Citizens Utilities
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 1772 544 16 Corbina telecom
12479 853 777 63 Uni2 Autonomous System
34984 828 207 198 BILISIM TELEKOM
31148 729 37 9 FreeNet ISP
13188 723 93 139 Educational Network
6830 712 2313 435 UPC Distribution Services
20940 710 228 547 Akamai Technologies European
58113 602 67 365 LIR DATACENTER TELECOM SRL
8551 596 364 61 Bezeq International
3320 494 8438 405 Deutsche Telekom AG
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
10620 2250 384 207 TVCABLE BOGOTA
28573 2172 1283 64 NET Servicos de Comunicao S.A
7303 1669 1139 202 Telecom Argentina Stet-France
8151 1588 3009 351 UniNet S.A. de C.V.
6503 1539 435 67 AVANTEL, S.A.
27947 747 77 91 Telconet S.A
3816 653 309 78 Empresa Nacional de Telecomun
11172 588 85 65 Servicios Alestra S.A de C.V
18881 584 716 18 Global Village Telecom
7738 582 1178 33 Telecomunicacoes da Bahia S.A
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
24863 902 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 547 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 88 MTN Network Solutions
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
7029 3203 991 190 Windstream Communications Inc
6389 3167 3722 159 bellsouth.net, inc.
4766 2959 11557 899 Korea Telecom (KIX)
17974 2420 825 45 PT TELEKOMUNIKASI INDONESIA
10620 2250 384 207 TVCABLE BOGOTA
28573 2172 1283 64 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1971 2931 128 Cox Communications, Inc.
1785 1934 678 128 PaeTec Communications, Inc.
7545 1803 301 88 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3167 3008 bellsouth.net, inc.
17974 2420 2375 PT TELEKOMUNIKASI INDONESIA
28573 2172 2108 NET Servicos de Comunicao S.A
4766 2959 2060 Korea Telecom (KIX)
10620 2250 2043 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
22773 1971 1843 Cox Communications, Inc.
1785 1934 1806 PaeTec Communications, Inc.
8402 1772 1756 Corbina telecom
7545 1803 1715 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 DAC AS Germany
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 /8:18 /9:14 /10:29 /11:88 /12:243
/13:480 /14:851 /15:1552 /16:12452 /17:6541 /18:10904
/19:21283 /20:30711 /21:32745 /22:43278 /23:40362 /24:224678
/25:1358 /26:1697 /27:905 /28:181 /29:79 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2644 3203 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1786 3167 bellsouth.net, inc.
8402 1482 1772 Corbina telecom
22773 1299 1971 Cox Communications, Inc.
30036 1291 1373 Mediacom Communications Corp
11492 1150 1185 Cable One
6503 1054 1539 AVANTEL, S.A.
1785 1019 1934 PaeTec Communications, Inc.
7011 957 1222 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:644 2:774 3:1 4:13 5:640 6:3
8:478 12:1956 13:3 14:689 15:11 16:3
17:6 20:27 23:211 24:1809 27:1398 31:1034
32:54 33:2 34:2 36:7 37:932 38:834
39:2 40:138 41:2660 42:177 44:3 46:1639
47:2 49:504 50:606 52:12 54:27 55:5
56:4 57:27 58:986 59:542 60:237 61:1295
62:948 63:2011 64:4289 65:2202 66:4519 67:2100
68:1158 69:3223 70:936 71:505 72:1886 74:2620
75:478 76:282 77:989 78:1007 79:510 80:1240
81:980 82:624 83:542 84:522 85:1152 86:510
87:941 88:350 89:1737 90:305 91:5300 92:578
93:1446 94:1713 95:1281 96:412 97:324 98:970
99:39 100:31 101:291 103:1771 105:519 106:120
107:202 108:477 109:1633 110:831 111:978 112:435
113:736 114:676 115:895 116:889 117:763 118:961
119:1236 120:362 121:694 122:1699 123:1162 124:1340
125:1287 128:572 129:200 130:290 131:664 132:315
133:142 134:254 135:62 136:219 137:239 138:339
139:175 140:503 141:291 142:495 143:380 144:496
145:83 146:527 147:274 148:734 149:329 150:158
151:209 152:451 153:183 154:21 155:431 156:227
157:365 158:284 159:670 160:336 161:414 162:368
163:191 164:724 165:449 166:495 167:561 168:986
169:129 170:920 171:152 172:7 173:1708 174:628
175:470 176:726 177:1388 178:1642 180:1383 181:167
182:1108 183:302 184:621 185:46 186:2104 187:1401
188:1740 189:1623 190:5835 192:6043 193:5404 194:4128
195:3461 196:1231 197:260 198:3902 199:5088 200:5995
201:1964 202:8734 203:8695 204:4418 205:2539 206:2760
207:2807 208:4069 209:3626 210:2829 211:1530 212:2023
213:1848 214:893 215:75 216:5157 217:1559 218:577
219:311 220:1259 221:531 222:337 223:405
End of report
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