* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 09 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427846
Prefixes after maximum aggregation: 178964
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210334
Total ASes present in the Internet Routing Table: 42289
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33694
Origin ASes announcing only one prefix: 15766
Transit ASes present in the Internet Routing Table: 5626
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 799
Unregistered ASNs in the Routing Table: 293
Number of 32-bit ASNs allocated by the RIRs: 3363
Number of 32-bit ASNs visible in the Routing Table: 2969
Prefixes from 32-bit ASNs in the Routing Table: 8110
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 148
Number of addresses announced to Internet: 2605113964
Equivalent to 155 /8s, 70 /16s and 226 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.7
Total number of prefixes smaller than registry allocations: 149976
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102890
Total APNIC prefixes after maximum aggregation: 32501
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 103609
Unique aggregates announced from the APNIC address blocks: 42898
APNIC Region origin ASes present in the Internet Routing Table: 4764
APNIC Prefixes per ASN: 21.75
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 779
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: 325
Number of APNIC addresses announced to Internet: 711070112
Equivalent to 42 /8s, 98 /16s and 17 /24s
Percentage of available APNIC address space announced: 83.1
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: 154496
Total ARIN prefixes after maximum aggregation: 78233
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155401
Unique aggregates announced from the ARIN address blocks: 69390
ARIN Region origin ASes present in the Internet Routing Table: 15262
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5776
ARIN Region transit ASes present in the Internet Routing Table: 1594
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1086683264
Equivalent to 64 /8s, 197 /16s and 120 /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: 108900
Total RIPE prefixes after maximum aggregation: 57302
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111533
Unique aggregates announced from the RIPE address blocks: 71811
RIPE Region origin ASes present in the Internet Routing Table: 16893
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8132
RIPE Region transit ASes present in the Internet Routing Table: 2721
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1929
Number of RIPE addresses announced to Internet: 648015908
Equivalent to 38 /8s, 159 /16s and 240 /24s
Percentage of available RIPE address space announced: 94.2
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: 43617
Total LACNIC prefixes after maximum aggregation: 8628
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 46973
Unique aggregates announced from the LACNIC address blocks: 22576
LACNIC Region origin ASes present in the Internet Routing Table: 1662
LACNIC Prefixes per ASN: 28.26
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 318
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 692
Number of LACNIC addresses announced to Internet: 117175592
Equivalent to 6 /8s, 251 /16s and 245 /24s
Percentage of available LACNIC address space announced: 69.8
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: 9710
Total AfriNIC prefixes after maximum aggregation: 2243
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 10182
Unique aggregates announced from the AfriNIC address blocks: 3528
AfriNIC Region origin ASes present in the Internet Routing Table: 564
AfriNIC Prefixes per ASN: 18.05
AfriNIC Region origin ASes announcing only one prefix: 174
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: 41886720
Equivalent to 2 /8s, 127 /16s and 36 /24s
Percentage of available AfriNIC address space announced: 41.6
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 2972 11428 904 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1765 301 87 TPG Internet Pty Ltd
4755 1621 387 163 TATA Communications formerly
9829 1398 1154 41 BSNL National Internet Backbo
9583 1227 90 518 Sify Limited
4808 1122 2046 317 CNCGROUP IP network: China169
7552 1120 1062 11 Vietel Corporation
24560 1035 385 162 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
6389 3230 3727 172 bellsouth.net, inc.
7029 3171 990 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1924 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications, Inc.
20115 1656 1582 618 Charter Communications
4323 1580 1154 389 Time Warner Telecom
30036 1348 270 757 Mediacom Communications Corp
7018 1271 10305 843 AT&T WorldNet Services
7011 1205 329 699 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 1795 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 847 776 68 Uni2 Autonomous System
34984 793 206 180 BILISIM TELEKOM
6830 721 2313 445 UPC Distribution Services
31148 720 37 9 FreeNet ISP
20940 701 222 533 Akamai Technologies European
13188 696 92 156 Educational Network
58113 603 67 364 LIR DATACENTER TELECOM SRL
8551 576 364 61 Bezeq International
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 2200 379 222 TVCABLE BOGOTA
28573 2107 1269 58 NET Servicos de Comunicao S.A
8151 1594 3047 354 UniNet S.A. de C.V.
7303 1566 1035 202 Telecom Argentina Stet-France
6503 1538 435 69 AVANTEL, S.A.
27947 725 74 91 Telconet S.A
3816 644 309 70 Empresa Nacional de Telecomun
11172 592 85 66 Servicios Alestra S.A de C.V
14420 589 87 101 CORPORACION NACIONAL DE TELEC
22047 580 326 15 VTR PUNTO NET 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 884 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 700 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 172 682 85 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
6389 3230 3727 172 bellsouth.net, inc.
7029 3171 990 161 Windstream Communications Inc
4766 2972 11428 904 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2200 379 222 TVCABLE BOGOTA
28573 2107 1269 58 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1924 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications, Inc.
8402 1795 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
7029 3171 3010 Windstream Communications Inc
17974 2365 2311 PT TELEKOMUNIKASI INDONESIA
4766 2972 2068 Korea Telecom (KIX)
28573 2107 2049 NET Servicos de Comunicao S.A
10620 2200 1978 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1924 1796 PaeTec Communications, Inc.
8402 1795 1779 Corbina telecom
22773 1903 1775 Cox Communications, Inc.
7545 1765 1678 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
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
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
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
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
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
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
128.0.168.0/21 15772 W-NET Kiev
128.0.170.0/24 24685 ISP Elencom autonomous system
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 /11:87 /12:242
/13:477 /14:846 /15:1544 /16:12441 /17:6487 /18:10878
/19:21107 /20:30411 /21:32397 /22:42775 /23:40048 /24:223880
/25:1341 /26:1626 /27:910 /28:181 /29:65 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2654 3171 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1801 3230 bellsouth.net, inc.
8402 1509 1795 Corbina telecom
30036 1281 1348 Mediacom Communications Corp
22773 1244 1903 Cox Communications, Inc.
11492 1164 1201 Cable One
6503 1054 1538 AVANTEL, S.A.
1785 1016 1924 PaeTec Communications, Inc.
7011 944 1205 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:629 2:771 3:1 4:13 5:555 6:3
8:470 12:1976 13:1 14:670 15:11 16:3
17:6 20:27 23:202 24:1785 27:1372 31:1020
32:54 33:2 34:2 36:7 37:839 38:829
39:2 40:133 41:2913 42:158 44:3 46:1618
47:2 49:458 50:591 52:12 54:23 55:6
56:3 57:27 58:988 59:538 60:237 61:1291
62:936 63:1999 64:4276 65:2233 66:4509 67:2105
68:1171 69:3224 70:987 71:514 72:1877 74:2601
75:486 76:305 77:967 78:973 79:501 80:1248
81:968 82:634 83:538 84:521 85:1158 86:482
87:932 88:364 89:1810 90:304 91:5231 92:593
93:1514 94:1629 95:1097 96:394 97:325 98:974
99:39 100:28 101:266 103:1628 105:512 106:120
107:199 108:471 109:1578 110:805 111:958 112:442
113:713 114:620 115:890 116:889 117:735 118:964
119:1225 120:341 121:687 122:1636 123:1165 124:1333
125:1281 128:562 129:194 130:287 131:639 132:308
133:22 134:253 135:62 136:221 137:239 138:338
139:171 140:498 141:284 142:490 143:380 144:486
145:82 146:505 147:274 148:749 149:326 150:158
151:197 152:451 153:179 154:20 155:422 156:224
157:373 158:258 159:660 160:345 161:409 162:366
163:191 164:705 165:425 166:526 167:551 168:988
169:127 170:910 171:151 172:7 173:1670 174:631
175:446 176:775 177:1270 178:1617 180:1342 181:149
182:1070 183:297 184:608 185:24 186:2197 187:1310
188:1728 189:1587 190:5768 192:6040 193:5746 194:4614
195:3661 196:1231 197:231 198:3827 199:5061 200:5994
201:1959 202:8664 203:8687 204:4402 205:2532 206:2764
207:2840 208:4048 209:3641 210:2833 211:1530 212:2015
213:1814 214:878 215:87 216:5131 217:1572 218:572
219:312 220:1251 221:534 222:337 223:414
End of report
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