* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 13 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 431231
Prefixes after maximum aggregation: 179786
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212157
Total ASes present in the Internet Routing Table: 42576
Prefixes per ASN: 10.13
Origin-only ASes present in the Internet Routing Table: 33805
Origin ASes announcing only one prefix: 15827
Transit ASes present in the Internet Routing Table: 5680
Transit-only ASes present in the Internet Routing Table: 140
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: 1035
Unregistered ASNs in the Routing Table: 367
Number of 32-bit ASNs allocated by the RIRs: 3471
Number of 32-bit ASNs visible in the Routing Table: 3091
Prefixes from 32-bit ASNs in the Routing Table: 8431
Special use prefixes present in the Routing Table: 14
Prefixes being announced from unallocated address space: 158
Number of addresses announced to Internet: 2613529708
Equivalent to 155 /8s, 199 /16s and 76 /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: 151599
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104433
Total APNIC prefixes after maximum aggregation: 32564
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105254
Unique aggregates announced from the APNIC address blocks: 43042
APNIC Region origin ASes present in the Internet Routing Table: 4792
APNIC Prefixes per ASN: 21.96
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 784
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: 357
Number of APNIC addresses announced to Internet: 714208928
Equivalent to 42 /8s, 145 /16s and 246 /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: 155154
Total ARIN prefixes after maximum aggregation: 78373
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155974
Unique aggregates announced from the ARIN address blocks: 69915
ARIN Region origin ASes present in the Internet Routing Table: 15287
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5768
ARIN Region transit ASes present in the Internet Routing Table: 1596
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: 1087707776
Equivalent to 64 /8s, 213 /16s and 26 /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: 109115
Total RIPE prefixes after maximum aggregation: 57806
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111889
Unique aggregates announced from the RIPE address blocks: 72621
RIPE Region origin ASes present in the Internet Routing Table: 16959
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8151
RIPE Region transit ASes present in the Internet Routing Table: 2749
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2002
Number of RIPE addresses announced to Internet: 648808228
Equivalent to 38 /8s, 172 /16s and 7 /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: 44429
Total LACNIC prefixes after maximum aggregation: 8718
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 47897
Unique aggregates announced from the LACNIC address blocks: 22819
LACNIC Region origin ASes present in the Internet Routing Table: 1707
LACNIC Prefixes per ASN: 28.06
LACNIC Region origin ASes announcing only one prefix: 485
LACNIC Region transit ASes present in the Internet Routing Table: 329
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: 709
Number of LACNIC addresses announced to Internet: 119406888
Equivalent to 7 /8s, 30 /16s and 1 /24s
Percentage of available LACNIC address space announced: 71.2
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: 9551
Total AfriNIC prefixes after maximum aggregation: 2272
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 10059
Unique aggregates announced from the AfriNIC address blocks: 3626
AfriNIC Region origin ASes present in the Internet Routing Table: 568
AfriNIC Prefixes per ASN: 17.71
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 43091712
Equivalent to 2 /8s, 145 /16s and 135 /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 2958 11557 898 Korea Telecom (KIX)
17974 2420 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1802 301 89 TPG Internet Pty Ltd
4755 1613 375 159 TATA Communications formerly
9829 1411 1155 42 BSNL National Internet Backbo
9583 1190 88 508 Sify Limited
7552 1115 1062 11 Vietel Corporation
4808 1108 2054 314 CNCGROUP IP network: China169
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 1021 310 74 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 3204 991 190 Windstream Communications Inc
6389 3166 3722 159 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1970 2931 128 Cox Communications, Inc.
1785 1933 678 128 PaeTec Communications, Inc.
20115 1670 1603 626 Charter Communications
4323 1589 1153 392 Time Warner Telecom
30036 1376 283 746 Mediacom Communications Corp
7018 1267 10275 847 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 1779 544 16 Corbina telecom
12479 853 777 63 Uni2 Autonomous System
34984 833 208 203 BILISIM TELEKOM
31148 731 37 9 FreeNet ISP
13188 725 93 139 Educational Network
20940 714 230 551 Akamai Technologies European
6830 712 2313 435 UPC Distribution Services
58113 602 67 365 LIR DATACENTER TELECOM SRL
8551 593 364 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 2251 384 208 TVCABLE BOGOTA
28573 2176 1283 64 NET Servicos de Comunicao S.A
7303 1669 1139 202 Telecom Argentina Stet-France
8151 1600 3044 354 UniNet S.A. de C.V.
6503 1539 435 67 AVANTEL, S.A.
27947 748 77 92 Telconet S.A
3816 655 309 69 Empresa Nacional de Telecomun
11172 588 85 65 Servicios Alestra S.A de C.V
18881 585 716 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 903 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 516 650 19 Itissalat Al-MAGHRIB
8452 513 958 13 TEDATA
24835 289 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 3204 991 190 Windstream Communications Inc
6389 3166 3722 159 bellsouth.net, inc.
4766 2958 11557 898 Korea Telecom (KIX)
17974 2420 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2251 384 208 TVCABLE BOGOTA
28573 2176 1283 64 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1970 2931 128 Cox Communications, Inc.
1785 1933 678 128 PaeTec Communications, Inc.
7545 1802 301 89 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 3166 3007 bellsouth.net, inc.
17974 2420 2374 PT TELEKOMUNIKASI INDONESIA
28573 2176 2112 NET Servicos de Comunicao S.A
4766 2958 2060 Korea Telecom (KIX)
10620 2251 2043 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
22773 1970 1842 Cox Communications, Inc.
1785 1933 1805 PaeTec Communications, Inc.
8402 1779 1763 Corbina telecom
7545 1802 1713 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 /9:13 /10:29 /11:88 /12:243
/13:480 /14:852 /15:1551 /16:12447 /17:6537 /18:10899
/19:21322 /20:30683 /21:32767 /22:43315 /23:40487 /24:225249
/25:1352 /26:1696 /27:904 /28:180 /29:78 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2644 3204 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1785 3166 bellsouth.net, inc.
8402 1489 1779 Corbina telecom
22773 1298 1970 Cox Communications, Inc.
30036 1291 1376 Mediacom Communications Corp
11492 1148 1183 Cable One
6503 1054 1539 AVANTEL, S.A.
1785 1018 1933 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)
----------------------------------------------
1:645 2:780 3:1 4:13 5:651 6:3
8:482 12:1954 13:3 14:689 15:11 16:3
17:6 20:27 23:211 24:1814 27:1397 31:1033
32:54 33:2 34:2 36:7 37:938 38:839
39:2 40:138 41:2644 42:178 44:3 46:1651
47:2 49:505 50:609 52:12 54:27 55:2
56:1 57:27 58:1058 59:543 60:237 61:1297
62:948 63:2019 64:4302 65:2201 66:4520 67:2102
68:1159 69:3221 70:937 71:554 72:1893 74:2619
75:479 76:285 77:992 78:1006 79:512 80:1234
81:980 82:624 83:543 84:520 85:1150 86:511
87:948 88:350 89:1753 90:305 91:5310 92:581
93:1463 94:1783 95:1402 96:411 97:325 98:968
99:39 100:31 101:292 103:1776 105:521 106:121
107:203 108:478 109:1631 110:838 111:979 112:435
113:737 114:675 115:895 116:885 117:759 118:963
119:1236 120:363 121:692 122:1699 123:1165 124:1325
125:1284 128:556 129:200 130:291 131:661 132:315
133:142 134:254 135:61 136:217 137:238 138:339
139:175 140:503 141:292 142:497 143:376 144:492
145:83 146:525 147:263 148:736 149:328 150:158
151:212 152:451 153:183 154:21 155:432 156:228
157:370 158:284 159:670 160:337 161:412 162:369
163:190 164:581 165:446 166:447 167:562 168:978
169:130 170:922 171:156 172:7 173:1698 174:640
175:465 176:727 177:1436 178:1636 180:1384 181:168
182:1108 183:302 184:619 185:60 186:2104 187:1387
188:1750 189:1629 190:5896 192:6056 193:5409 194:4138
195:3463 196:1235 197:246 198:3911 199:5098 200:6007
201:1976 202:8726 203:8712 204:4425 205:2543 206:2760
207:2807 208:4064 209:3623 210:2883 211:1527 212:2140
213:1845 214:866 215:75 216:5184 217:1574 218:578
219:312 220:1260 221:531 222:337 223:406
End of report
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