* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 01 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427365
Prefixes after maximum aggregation: 178672
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 209447
Total ASes present in the Internet Routing Table: 42206
Prefixes per ASN: 10.13
Origin-only ASes present in the Internet Routing Table: 33660
Origin ASes announcing only one prefix: 15745
Transit ASes present in the Internet Routing Table: 5608
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN ( 48687) 24
Prefixes from unregistered ASNs in the Routing Table: 771
Unregistered ASNs in the Routing Table: 281
Number of 32-bit ASNs allocated by the RIRs: 3339
Number of 32-bit ASNs visible in the Routing Table: 2938
Prefixes from 32-bit ASNs in the Routing Table: 7932
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 149
Number of addresses announced to Internet: 2602251372
Equivalent to 155 /8s, 27 /16s and 52 /24s
Percentage of available address space announced: 70.3
Percentage of allocated address space announced: 70.3
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: 150279
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102884
Total APNIC prefixes after maximum aggregation: 32547
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 103556
Unique aggregates announced from the APNIC address blocks: 42808
APNIC Region origin ASes present in the Internet Routing Table: 4763
APNIC Prefixes per ASN: 21.74
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 772
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: 315
Number of APNIC addresses announced to Internet: 708905376
Equivalent to 42 /8s, 65 /16s and 9 /24s
Percentage of available APNIC address space announced: 82.9
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: 154431
Total ARIN prefixes after maximum aggregation: 78141
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155358
Unique aggregates announced from the ARIN address blocks: 69154
ARIN Region origin ASes present in the Internet Routing Table: 15238
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5759
ARIN Region transit ASes present in the Internet Routing Table: 1590
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1086915200
Equivalent to 64 /8s, 201 /16s and 2 /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: 108243
Total RIPE prefixes after maximum aggregation: 57177
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 110814
Unique aggregates announced from the RIPE address blocks: 71424
RIPE Region origin ASes present in the Internet Routing Table: 16872
RIPE Prefixes per ASN: 6.57
RIPE Region origin ASes announcing only one prefix: 8124
RIPE Region transit ASes present in the Internet Routing Table: 2711
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1912
Number of RIPE addresses announced to Internet: 647314724
Equivalent to 38 /8s, 149 /16s and 61 /24s
Percentage of available RIPE address space announced: 94.1
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: 43917
Total LACNIC prefixes after maximum aggregation: 8522
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 47179
Unique aggregates announced from the LACNIC address blocks: 22388
LACNIC Region origin ASes present in the Internet Routing Table: 1658
LACNIC Prefixes per ASN: 28.46
LACNIC Region origin ASes announcing only one prefix: 450
LACNIC Region transit ASes present in the Internet Routing Table: 317
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: 688
Number of LACNIC addresses announced to Internet: 116939048
Equivalent to 6 /8s, 248 /16s and 89 /24s
Percentage of available LACNIC address space announced: 69.7
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: 9834
Total AfriNIC prefixes after maximum aggregation: 2228
AfriNIC Deaggregation factor: 4.41
Prefixes being announced from the AfriNIC address blocks: 10309
Unique aggregates announced from the AfriNIC address blocks: 3541
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 18.31
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 41903872
Equivalent to 2 /8s, 127 /16s and 103 /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 2979 11428 904 Korea Telecom (KIX)
17974 2356 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1762 301 87 TPG Internet Pty Ltd
4755 1624 387 163 TATA Communications formerly
9829 1393 1154 41 BSNL National Internet Backbo
9583 1207 89 515 Sify Limited
4808 1122 2046 317 CNCGROUP IP network: China169
7552 1108 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1015 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 3289 3729 176 bellsouth.net, inc.
7029 3165 990 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1918 678 128 PaeTec Communications, Inc.
22773 1888 2931 128 Cox Communications, Inc.
20115 1656 1581 617 Charter Communications
4323 1575 1153 386 Time Warner Telecom
30036 1366 272 752 Mediacom Communications Corp
7018 1263 10320 841 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 1746 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 846 775 74 Uni2 Autonomous System
34984 782 206 181 BILISIM TELEKOM
6830 724 2313 448 UPC Distribution Services
31148 711 37 9 FreeNet ISP
13188 694 92 153 Educational Network
20940 691 219 531 Akamai Technologies European
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 579 364 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 2190 376 218 TVCABLE BOGOTA
28573 2087 1251 56 NET Servicos de Comunicao S.A
8151 1590 3045 349 UniNet S.A. de C.V.
7303 1561 1034 199 Telecom Argentina Stet-France
6503 1537 435 69 AVANTEL, S.A.
27947 724 74 91 Telconet S.A
3816 643 309 53 Empresa Nacional de Telecomun
6458 621 81 15 GUATEL
11172 592 101 70 Servicios Alestra S.A de C.V
14420 588 87 102 CORPORACION NACIONAL DE TELEC
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 889 275 36 LINKdotNET AS number
8452 781 958 13 TEDATA
36998 772 48 3 MOBITEL
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
33776 189 12 13 Starcomms Nigeria Limited
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 3289 3729 176 bellsouth.net, inc.
7029 3165 990 161 Windstream Communications Inc
4766 2979 11428 904 Korea Telecom (KIX)
17974 2356 702 54 PT TELEKOMUNIKASI INDONESIA
10620 2190 376 218 TVCABLE BOGOTA
28573 2087 1251 56 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1918 678 128 PaeTec Communications, Inc.
22773 1888 2931 128 Cox Communications, Inc.
7545 1762 301 87 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
7029 3165 3004 Windstream Communications Inc
17974 2356 2302 PT TELEKOMUNIKASI INDONESIA
4766 2979 2075 Korea Telecom (KIX)
28573 2087 2031 NET Servicos de Comunicao S.A
10620 2190 1972 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1918 1790 PaeTec Communications, Inc.
22773 1888 1760 Cox Communications, Inc.
8402 1746 1730 Corbina telecom
7545 1762 1675 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 /12:240
/13:477 /14:846 /15:1545 /16:12410 /17:6485 /18:10848
/19:21089 /20:30344 /21:32294 /22:42650 /23:40040 /24:223684
/25:1392 /26:1678 /27:912 /28:176 /29:65 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2648 3165 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1837 3289 bellsouth.net, inc.
8402 1457 1746 Corbina telecom
30036 1300 1366 Mediacom Communications Corp
22773 1229 1888 Cox Communications, Inc.
11492 1162 1199 Cable One
6503 1054 1537 AVANTEL, S.A.
1785 1016 1918 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)
----------------------------------------------
1:612 2:663 3:1 4:13 5:545 6:3
8:463 12:1983 13:1 14:665 15:11 16:3
17:6 20:27 23:201 24:1785 27:1347 31:1026
32:54 33:2 34:2 36:7 37:820 38:827
39:2 40:133 41:3038 42:159 44:3 46:1602
47:2 49:468 50:596 52:13 54:22 55:9
56:2 57:27 58:990 59:543 60:238 61:1292
62:942 63:1986 64:4269 65:2238 66:4517 67:2090
68:1165 69:3224 70:988 71:509 72:1871 74:2592
75:486 76:314 77:964 78:963 79:496 80:1234
81:968 82:634 83:529 84:517 85:1158 86:491
87:927 88:364 89:1834 90:303 91:5238 92:596
93:1422 94:1633 95:1245 96:418 97:324 98:967
99:39 100:24 101:263 103:1580 105:512 106:118
107:199 108:465 109:1532 110:803 111:972 112:448
113:701 114:631 115:889 116:897 117:733 118:931
119:1221 120:335 121:691 122:1640 123:1166 124:1336
125:1277 128:564 129:191 130:280 131:632 132:284
133:22 134:251 135:61 136:219 137:239 138:338
139:171 140:498 141:280 142:486 143:382 144:490
145:82 146:518 147:264 148:740 149:325 150:155
151:192 152:451 153:177 154:20 155:422 156:224
157:370 158:258 159:659 160:344 161:409 162:363
163:191 164:690 165:421 166:528 167:553 168:966
169:126 170:908 171:167 172:6 173:1683 174:622
175:425 176:789 177:1245 178:1614 180:1335 181:140
182:1060 183:296 184:605 185:6 186:2196 187:1266
188:1696 189:1587 190:6083 192:6037 193:5726 194:4557
195:3478 196:1223 197:224 198:3820 199:5033 200:6035
201:1991 202:8690 203:8733 204:4405 205:2542 206:2763
207:2857 208:4067 209:3655 210:2857 211:1531 212:1993
213:1817 214:854 215:87 216:5120 217:1580 218:569
219:313 220:1251 221:534 222:337 223:415
End of report
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