* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 16 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 432192
Prefixes after maximum aggregation: 180034
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212339
Total ASes present in the Internet Routing Table: 42599
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 33817
Origin ASes announcing only one prefix: 15838
Transit ASes present in the Internet Routing Table: 5682
Transit-only ASes present in the Internet Routing Table: 144
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: 1030
Unregistered ASNs in the Routing Table: 370
Number of 32-bit ASNs allocated by the RIRs: 3484
Number of 32-bit ASNs visible in the Routing Table: 3100
Prefixes from 32-bit ASNs in the Routing Table: 8439
Special use prefixes present in the Routing Table: 14
Prefixes being announced from unallocated address space: 151
Number of addresses announced to Internet: 2613403148
Equivalent to 155 /8s, 197 /16s and 94 /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: 93.9
Total number of prefixes smaller than registry allocations: 151846
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104560
Total APNIC prefixes after maximum aggregation: 32582
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105382
Unique aggregates announced from the APNIC address blocks: 43091
APNIC Region origin ASes present in the Internet Routing Table: 4790
APNIC Prefixes per ASN: 22.00
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 786
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: 360
Number of APNIC addresses announced to Internet: 714308800
Equivalent to 42 /8s, 147 /16s and 124 /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: 155379
Total ARIN prefixes after maximum aggregation: 78475
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156161
Unique aggregates announced from the ARIN address blocks: 69956
ARIN Region origin ASes present in the Internet Routing Table: 15295
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5775
ARIN Region transit ASes present in the Internet Routing Table: 1598
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: 1087444352
Equivalent to 64 /8s, 209 /16s and 21 /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: 109832
Total RIPE prefixes after maximum aggregation: 57869
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 112629
Unique aggregates announced from the RIPE address blocks: 72743
RIPE Region origin ASes present in the Internet Routing Table: 16958
RIPE Prefixes per ASN: 6.64
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2750
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: 2011
Number of RIPE addresses announced to Internet: 648711588
Equivalent to 38 /8s, 170 /16s and 141 /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: 44307
Total LACNIC prefixes after maximum aggregation: 8775
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47796
Unique aggregates announced from the LACNIC address blocks: 22801
LACNIC Region origin ASes present in the Internet Routing Table: 1713
LACNIC Prefixes per ASN: 27.90
LACNIC Region origin ASes announcing only one prefix: 490
LACNIC Region transit ASes present in the Internet Routing Table: 327
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: 119518248
Equivalent to 7 /8s, 31 /16s and 180 /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: 9557
Total AfriNIC prefixes after maximum aggregation: 2280
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 10073
Unique aggregates announced from the AfriNIC address blocks: 3616
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.77
AfriNIC Region origin ASes announcing only one prefix: 176
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: 43114496
Equivalent to 2 /8s, 145 /16s and 224 /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 2421 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1790 301 88 TPG Internet Pty Ltd
4755 1614 375 159 TATA Communications formerly
9829 1411 1155 42 BSNL National Internet Backbo
9583 1216 92 528 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 3200 991 190 Windstream Communications Inc
6389 3159 3721 156 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1941 2931 129 Cox Communications, Inc.
1785 1931 678 126 PaeTec Communications, Inc.
20115 1680 1601 634 Charter Communications
4323 1588 1153 393 Time Warner Telecom
30036 1355 281 765 Mediacom Communications Corp
7018 1276 10276 852 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 1744 544 16 Corbina telecom
12479 854 777 64 Uni2 Autonomous System
34984 840 210 207 BILISIM TELEKOM
31148 731 37 9 FreeNet ISP
13188 724 93 140 Educational Network
6830 712 2313 435 UPC Distribution Services
20940 710 230 551 Akamai Technologies European
2118 691 97 14 EUnet/RELCOM Autonomous Syste
58113 602 67 365 LIR DATACENTER TELECOM SRL
8551 595 364 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 2251 384 208 TVCABLE BOGOTA
28573 2169 1285 65 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
8151 1604 3050 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 587 716 18 Global Village Telecom
22047 579 326 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 864 274 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 532 958 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 3200 991 190 Windstream Communications Inc
6389 3159 3721 156 bellsouth.net, inc.
4766 2958 11557 898 Korea Telecom (KIX)
17974 2421 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2251 384 208 TVCABLE BOGOTA
28573 2169 1285 65 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1941 2931 129 Cox Communications, Inc.
1785 1931 678 126 PaeTec Communications, Inc.
7545 1790 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 3159 3003 bellsouth.net, inc.
17974 2421 2375 PT TELEKOMUNIKASI INDONESIA
28573 2169 2104 NET Servicos de Comunicao S.A
4766 2958 2060 Korea Telecom (KIX)
10620 2251 2043 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
22773 1941 1812 Cox Communications, Inc.
1785 1931 1805 PaeTec Communications, Inc.
8402 1744 1728 Corbina telecom
7545 1790 1702 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
41.220.94.0/23 42235 Intra Data Communication
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 /16:12445 /17:6544 /18:10902
/19:21351 /20:30743 /21:32806 /22:43298 /23:40465 /24:226130
/25:1342 /26:1684 /27:908 /28:181 /29:78 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2641 3200 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1783 3159 bellsouth.net, inc.
8402 1459 1744 Corbina telecom
22773 1271 1941 Cox Communications, Inc.
30036 1271 1355 Mediacom Communications Corp
11492 1145 1180 Cable One
6503 1054 1539 AVANTEL, S.A.
1785 1016 1931 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 2:766 3:1 4:13 5:675 6:3
8:481 12:1959 13:3 14:693 15:11 16:3
17:6 20:27 23:211 24:1792 27:1402 31:1276
32:54 33:2 34:2 36:7 37:947 38:843
39:2 40:139 41:2634 42:179 44:3 46:1657
47:2 49:504 50:604 52:12 54:27 55:3
56:1 57:27 58:1060 59:545 60:237 61:1289
62:925 63:2017 64:4340 65:2197 66:4521 67:2091
68:1164 69:3231 70:933 71:556 72:1892 74:2616
75:482 76:290 77:990 78:1006 79:505 80:1230
81:982 82:615 83:540 84:516 85:1152 86:515
87:951 88:349 89:1757 90:305 91:5336 92:588
93:1445 94:1793 95:1413 96:412 97:323 98:961
99:40 100:31 101:290 103:1787 105:521 106:119
107:203 108:480 109:1640 110:827 111:976 112:435
113:732 114:675 115:893 116:893 117:762 118:957
119:1246 120:363 121:683 122:1729 123:1169 124:1333
125:1285 128:563 129:201 130:299 131:667 132:315
133:143 134:256 135:62 136:218 137:239 138:339
139:174 140:504 141:292 142:496 143:377 144:492
145:83 146:528 147:264 148:737 149:328 150:157
151:218 152:450 153:183 154:21 155:432 156:229
157:370 158:283 159:669 160:337 161:414 162:369
163:191 164:581 165:446 166:479 167:562 168:973
169:130 170:922 171:154 172:7 173:1694 174:633
175:451 176:728 177:1433 178:1659 180:1383 181:170
182:1109 183:301 184:631 185:65 186:2100 187:1409
188:1750 189:1619 190:5781 192:6056 193:5408 194:4287
195:3668 196:1245 197:263 198:3934 199:5103 200:6004
201:1973 202:8801 203:8713 204:4431 205:2541 206:2767
207:2804 208:4072 209:3627 210:2886 211:1529 212:2150
213:1865 214:897 215:74 216:5202 217:1582 218:576
219:312 220:1260 221:531 222:337 223:407
End of report
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