* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 07 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 430542
Prefixes after maximum aggregation: 179661
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 211767
Total ASes present in the Internet Routing Table: 42492
Prefixes per ASN: 10.13
Origin-only ASes present in the Internet Routing Table: 33752
Origin ASes announcing only one prefix: 15804
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: 40
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 974
Unregistered ASNs in the Routing Table: 345
Number of 32-bit ASNs allocated by the RIRs: 3446
Number of 32-bit ASNs visible in the Routing Table: 3068
Prefixes from 32-bit ASNs in the Routing Table: 8291
Special use prefixes present in the Routing Table: 14
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2611878124
Equivalent to 155 /8s, 174 /16s and 24 /24s
Percentage of available address space announced: 70.5
Percentage of allocated address space announced: 70.5
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: 151178
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104130
Total APNIC prefixes after maximum aggregation: 32537
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 104936
Unique aggregates announced from the APNIC address blocks: 43022
APNIC Region origin ASes present in the Internet Routing Table: 4788
APNIC Prefixes per ASN: 21.92
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 781
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: 349
Number of APNIC addresses announced to Internet: 713506976
Equivalent to 42 /8s, 135 /16s and 64 /24s
Percentage of available APNIC address space announced: 83.4
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: 155188
Total ARIN prefixes after maximum aggregation: 78383
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156020
Unique aggregates announced from the ARIN address blocks: 69777
ARIN Region origin ASes present in the Internet Routing Table: 15258
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 5762
ARIN Region transit ASes present in the Internet Routing Table: 1597
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087826816
Equivalent to 64 /8s, 214 /16s and 235 /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: 108808
Total RIPE prefixes after maximum aggregation: 57720
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111478
Unique aggregates announced from the RIPE address blocks: 72409
RIPE Region origin ASes present in the Internet Routing Table: 16937
RIPE Prefixes per ASN: 6.58
RIPE Region origin ASes announcing only one prefix: 8143
RIPE Region transit ASes present in the Internet Routing Table: 2746
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: 1990
Number of RIPE addresses announced to Internet: 648676772
Equivalent to 38 /8s, 170 /16s and 5 /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: 44385
Total LACNIC prefixes after maximum aggregation: 8738
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 47830
Unique aggregates announced from the LACNIC address blocks: 22866
LACNIC Region origin ASes present in the Internet Routing Table: 1699
LACNIC Prefixes per ASN: 28.15
LACNIC Region origin ASes announcing only one prefix: 479
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: 706
Number of LACNIC addresses announced to Internet: 118908200
Equivalent to 7 /8s, 22 /16s and 101 /24s
Percentage of available LACNIC address space announced: 70.9
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: 9624
Total AfriNIC prefixes after maximum aggregation: 2230
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 10119
Unique aggregates announced from the AfriNIC address blocks: 3558
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.85
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 42649088
Equivalent to 2 /8s, 138 /16s and 198 /24s
Percentage of available AfriNIC address space announced: 42.4
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 2956 11558 900 Korea Telecom (KIX)
17974 2420 825 45 PT TELEKOMUNIKASI INDONESIA
7545 1800 301 87 TPG Internet Pty Ltd
4755 1618 375 159 TATA Communications formerly
9829 1407 1154 41 BSNL National Internet Backbo
9583 1189 88 507 Sify Limited
7552 1137 1062 11 Vietel Corporation
4808 1111 2056 315 CNCGROUP IP network: China169
24560 1034 385 161 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 3201 991 189 Windstream Communications Inc
6389 3167 3722 159 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1971 2931 128 Cox Communications, Inc.
1785 1928 678 128 PaeTec Communications, Inc.
20115 1670 1603 626 Charter Communications
4323 1589 1153 392 Time Warner Telecom
30036 1373 279 753 Mediacom Communications Corp
7018 1274 10290 851 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 1869 544 16 Corbina telecom
12479 852 777 62 Uni2 Autonomous System
34984 828 207 198 BILISIM TELEKOM
31148 727 37 9 FreeNet ISP
13188 720 93 137 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 594 364 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 2241 382 229 TVCABLE BOGOTA
28573 2151 1281 63 NET Servicos de Comunicao S.A
7303 1669 1139 202 Telecom Argentina Stet-France
8151 1602 3046 355 UniNet S.A. de C.V.
6503 1539 435 67 AVANTEL, S.A.
27947 747 77 91 Telconet S.A
3816 657 309 69 Empresa Nacional de Telecomun
14420 598 91 108 CORPORACION NACIONAL DE TELEC
11172 589 85 65 Servicios Alestra S.A de C.V
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 899 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 549 958 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 172 697 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 3201 991 189 Windstream Communications Inc
6389 3167 3722 159 bellsouth.net, inc.
4766 2956 11558 900 Korea Telecom (KIX)
17974 2420 825 45 PT TELEKOMUNIKASI INDONESIA
10620 2241 382 229 TVCABLE BOGOTA
28573 2151 1281 63 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1971 2931 128 Cox Communications, Inc.
1785 1928 678 128 PaeTec Communications, Inc.
8402 1869 544 16 Corbina telecom
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 2151 2088 NET Servicos de Comunicao S.A
4766 2956 2056 Korea Telecom (KIX)
10620 2241 2012 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
8402 1869 1853 Corbina telecom
22773 1971 1843 Cox Communications, Inc.
1785 1928 1800 PaeTec Communications, Inc.
7545 1800 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 /9:14 /10:29 /11:88 /12:243
/13:478 /14:850 /15:1550 /16:12455 /17:6545 /18:10878
/19:21278 /20:30711 /21:32701 /22:43212 /23:40347 /24:224889
/25:1356 /26:1695 /27:904 /28:181 /29:79 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2642 3201 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1786 3167 bellsouth.net, inc.
8402 1570 1869 Corbina telecom
22773 1299 1971 Cox Communications, Inc.
30036 1290 1373 Mediacom Communications Corp
11492 1152 1187 Cable One
6503 1054 1539 AVANTEL, S.A.
1785 1018 1928 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 2:802 3:1 4:13 5:614 6:3
8:475 12:1957 13:3 14:688 15:11 16:3
17:6 20:27 23:211 24:1812 27:1396 31:1036
32:54 33:2 34:2 36:7 37:919 38:830
39:2 40:137 41:2689 42:177 44:3 46:1630
47:2 49:473 50:604 52:12 54:27 55:4
56:4 57:27 58:982 59:544 60:236 61:1292
62:924 63:2010 64:4288 65:2205 66:4500 67:2096
68:1158 69:3235 70:936 71:505 72:1885 74:2616
75:478 76:268 77:986 78:1000 79:509 80:1239
81:982 82:623 83:542 84:520 85:1154 86:515
87:940 88:358 89:1755 90:305 91:5286 92:579
93:1481 94:1709 95:1297 96:411 97:324 98:974
99:39 100:31 101:292 103:1746 105:514 106:120
107:201 108:475 109:1624 110:829 111:979 112:434
113:734 114:676 115:889 116:887 117:763 118:960
119:1231 120:360 121:694 122:1695 123:1162 124:1343
125:1286 128:578 129:189 130:288 131:651 132:315
133:142 134:254 135:62 136:219 137:239 138:338
139:175 140:501 141:290 142:493 143:375 144:500
145:83 146:525 147:270 148:734 149:330 150:158
151:208 152:451 153:183 154:21 155:433 156:226
157:367 158:284 159:670 160:335 161:414 162:368
163:191 164:724 165:449 166:515 167:562 168:999
169:129 170:917 171:154 172:6 173:1716 174:635
175:471 176:738 177:1382 178:1621 180:1379 181:166
182:1108 183:300 184:619 185:46 186:2263 187:1410
188:1741 189:1603 190:5892 192:6041 193:5407 194:4128
195:3463 196:1236 197:260 198:3898 199:5083 200:6013
201:1976 202:8731 203:8706 204:4417 205:2538 206:2773
207:2823 208:4055 209:3623 210:2822 211:1531 212:2081
213:1848 214:895 215:75 216:5147 217:1579 218:577
219:308 220:1258 221:531 222:337 223:405
End of report
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