* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 14 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 431272
Prefixes after maximum aggregation: 179886
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212157
Total ASes present in the Internet Routing Table: 42586
Prefixes per ASN: 10.13
Origin-only ASes present in the Internet Routing Table: 33807
Origin ASes announcing only one prefix: 15835
Transit ASes present in the Internet Routing Table: 5682
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 37
Prefixes from unregistered ASNs in the Routing Table: 1038
Unregistered ASNs in the Routing Table: 368
Number of 32-bit ASNs allocated by the RIRs: 3473
Number of 32-bit ASNs visible in the Routing Table: 3097
Prefixes from 32-bit ASNs in the Routing Table: 8454
Special use prefixes present in the Routing Table: 14
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2613844204
Equivalent to 155 /8s, 204 /16s and 24 /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: 151487
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104497
Total APNIC prefixes after maximum aggregation: 32563
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105321
Unique aggregates announced from the APNIC address blocks: 43045
APNIC Region origin ASes present in the Internet Routing Table: 4790
APNIC Prefixes per ASN: 21.99
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 784
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 358
Number of APNIC addresses announced to Internet: 714279840
Equivalent to 42 /8s, 147 /16s and 11 /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: 155251
Total ARIN prefixes after maximum aggregation: 78440
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156028
Unique aggregates announced from the ARIN address blocks: 69932
ARIN Region origin ASes present in the Internet Routing Table: 15293
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5769
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: 1087808640
Equivalent to 64 /8s, 214 /16s and 164 /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: 109145
Total RIPE prefixes after maximum aggregation: 57805
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111959
Unique aggregates announced from the RIPE address blocks: 72654
RIPE Region origin ASes present in the Internet Routing Table: 16956
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8153
RIPE Region transit ASes present in the Internet Routing Table: 2755
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2007
Number of RIPE addresses announced to Internet: 648927140
Equivalent to 38 /8s, 173 /16s and 215 /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: 44224
Total LACNIC prefixes after maximum aggregation: 8748
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 47750
Unique aggregates announced from the LACNIC address blocks: 22764
LACNIC Region origin ASes present in the Internet Routing Table: 1707
LACNIC Prefixes per ASN: 27.97
LACNIC Region origin ASes announcing only one prefix: 487
LACNIC Region transit ASes present in the Internet Routing Table: 328
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: 119414056
Equivalent to 7 /8s, 30 /16s and 29 /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: 9580
Total AfriNIC prefixes after maximum aggregation: 2277
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 10055
Unique aggregates announced from the AfriNIC address blocks: 3627
AfriNIC Region origin ASes present in the Internet Routing Table: 569
AfriNIC Prefixes per ASN: 17.67
AfriNIC Region origin ASes announcing only one prefix: 176
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 43091968
Equivalent to 2 /8s, 145 /16s and 136 /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 2419 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1804 301 88 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 1141 1062 11 Vietel Corporation
4808 1111 2056 315 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 991 189 Windstream Communications Inc
6389 3164 3721 157 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1970 2931 128 Cox Communications, Inc.
1785 1933 678 128 PaeTec Communications, Inc.
20115 1667 1602 628 Charter Communications
4323 1589 1153 393 Time Warner Telecom
30036 1377 286 761 Mediacom Communications Corp
7018 1272 10276 849 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 1774 544 16 Corbina telecom
12479 853 777 63 Uni2 Autonomous System
34984 834 208 204 BILISIM TELEKOM
31148 731 37 9 FreeNet ISP
13188 727 93 131 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 595 364 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 384 208 TVCABLE BOGOTA
28573 2183 1285 65 NET Servicos de Comunicao S.A
7303 1669 1139 202 Telecom Argentina Stet-France
8151 1601 3046 355 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 592 85 68 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 882 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 541 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
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 991 189 Windstream Communications Inc
6389 3164 3721 157 bellsouth.net, inc.
4766 2958 11557 898 Korea Telecom (KIX)
17974 2419 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2250 384 208 TVCABLE BOGOTA
28573 2183 1285 65 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 1804 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 3164 3007 bellsouth.net, inc.
17974 2419 2373 PT TELEKOMUNIKASI INDONESIA
28573 2183 2118 NET Servicos de Comunicao S.A
4766 2958 2060 Korea Telecom (KIX)
10620 2250 2042 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
22773 1970 1842 Cox Communications, Inc.
1785 1933 1805 PaeTec Communications, Inc.
8402 1774 1758 Corbina telecom
7545 1804 1716 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 /14:850 /15:1547 /16:12456 /17:6549 /18:10907
/19:21342 /20:30719 /21:32780 /22:43327 /23:40492 /24:225182
/25:1349 /26:1698 /27:904 /28:178 /29:80 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2645 3204 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1785 3164 bellsouth.net, inc.
8402 1485 1774 Corbina telecom
22773 1298 1970 Cox Communications, Inc.
30036 1292 1377 Mediacom Communications Corp
11492 1147 1182 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 2:781 3:1 4:13 5:656 6:3
8:481 12:1958 13:3 14:691 15:11 16:3
17:6 20:27 23:211 24:1815 27:1399 31:1024
32:54 33:2 34:2 36:7 37:941 38:835
39:2 40:138 41:2630 42:178 44:3 46:1654
47:2 49:504 50:607 52:12 54:27 55:2
56:1 57:27 58:1059 59:545 60:237 61:1297
62:945 63:2013 64:4300 65:2200 66:4513 67:2102
68:1159 69:3223 70:937 71:554 72:1894 74:2618
75:481 76:286 77:991 78:1005 79:510 80:1243
81:980 82:621 83:543 84:520 85:1149 86:513
87:952 88:362 89:1756 90:305 91:5320 92:580
93:1458 94:1792 95:1402 96:412 97:325 98:970
99:39 100:31 101:291 103:1780 105:521 106:121
107:203 108:478 109:1633 110:833 111:976 112:435
113:737 114:677 115:888 116:885 117:760 118:956
119:1240 120:361 121:693 122:1697 123:1164 124:1332
125:1287 128:571 129:200 130:290 131:663 132:315
133:142 134:256 135:61 136:217 137:239 138:339
139:175 140:502 141:292 142:497 143:376 144:493
145:83 146:525 147:267 148:737 149:328 150:157
151:211 152:451 153:183 154:21 155:433 156:228
157:370 158:285 159:670 160:337 161:413 162:369
163:191 164:581 165:431 166:446 167:563 168:972
169:130 170:923 171:154 172:7 173:1697 174:635
175:470 176:729 177:1423 178:1664 180:1384 181:169
182:1108 183:300 184:620 185:62 186:2067 187:1413
188:1747 189:1625 190:5759 192:6056 193:5403 194:4143
195:3464 196:1234 197:262 198:3921 199:5100 200:6007
201:1970 202:8725 203:8713 204:4424 205:2542 206:2765
207:2807 208:4068 209:3619 210:2883 211:1528 212:2147
213:1846 214:885 215:75 216:5185 217:1575 218:576
219:312 220:1260 221:531 222:337 223:407
End of report
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