* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 10 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427966
Prefixes after maximum aggregation: 179019
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210426
Total ASes present in the Internet Routing Table: 42310
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33721
Origin ASes announcing only one prefix: 15785
Transit ASes present in the Internet Routing Table: 5612
Transit-only ASes present in the Internet Routing Table: 134
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: 815
Unregistered ASNs in the Routing Table: 297
Number of 32-bit ASNs allocated by the RIRs: 3365
Number of 32-bit ASNs visible in the Routing Table: 2977
Prefixes from 32-bit ASNs in the Routing Table: 8133
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 150
Number of addresses announced to Internet: 2605928300
Equivalent to 155 /8s, 83 /16s and 79 /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: 150002
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102961
Total APNIC prefixes after maximum aggregation: 32512
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 103677
Unique aggregates announced from the APNIC address blocks: 42935
APNIC Region origin ASes present in the Internet Routing Table: 4775
APNIC Prefixes per ASN: 21.71
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 778
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: 326
Number of APNIC addresses announced to Internet: 711299232
Equivalent to 42 /8s, 101 /16s and 144 /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: 154564
Total ARIN prefixes after maximum aggregation: 78242
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155465
Unique aggregates announced from the ARIN address blocks: 69408
ARIN Region origin ASes present in the Internet Routing Table: 15267
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5779
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: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1086833536
Equivalent to 64 /8s, 199 /16s and 195 /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: 108972
Total RIPE prefixes after maximum aggregation: 57335
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111628
Unique aggregates announced from the RIPE address blocks: 71835
RIPE Region origin ASes present in the Internet Routing Table: 16896
RIPE Prefixes per ASN: 6.61
RIPE Region origin ASes announcing only one prefix: 8134
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: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1932
Number of RIPE addresses announced to Internet: 648003620
Equivalent to 38 /8s, 159 /16s and 192 /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: 43631
Total LACNIC prefixes after maximum aggregation: 8630
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 46992
Unique aggregates announced from the LACNIC address blocks: 22577
LACNIC Region origin ASes present in the Internet Routing Table: 1664
LACNIC Prefixes per ASN: 28.24
LACNIC Region origin ASes announcing only one prefix: 455
LACNIC Region transit ASes present in the Internet Routing Table: 316
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: 696
Number of LACNIC addresses announced to Internet: 117329448
Equivalent to 6 /8s, 254 /16s and 78 /24s
Percentage of available LACNIC address space announced: 69.9
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: 9581
Total AfriNIC prefixes after maximum aggregation: 2243
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 10054
Unique aggregates announced from the AfriNIC address blocks: 3538
AfriNIC Region origin ASes present in the Internet Routing Table: 564
AfriNIC Prefixes per ASN: 17.83
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 125
Average AfriNIC Region AS path length visible: 4.8
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: 42170880
Equivalent to 2 /8s, 131 /16s and 122 /24s
Percentage of available AfriNIC address space announced: 41.9
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 2974 11428 902 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1772 301 87 TPG Internet Pty Ltd
4755 1625 387 163 TATA Communications formerly
9829 1401 1154 41 BSNL National Internet Backbo
9583 1227 90 518 Sify Limited
4808 1124 2060 316 CNCGROUP IP network: China169
7552 1118 1062 11 Vietel Corporation
24560 1032 385 160 Bharti Airtel Ltd., Telemedia
9498 1023 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 3228 3727 172 bellsouth.net, inc.
7029 3165 990 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1924 678 128 PaeTec Communications, Inc.
22773 1902 2931 128 Cox Communications, Inc.
20115 1655 1582 618 Charter Communications
4323 1580 1154 389 Time Warner Telecom
30036 1353 271 744 Mediacom Communications Corp
7018 1273 10305 845 AT&T WorldNet Services
7011 1206 329 700 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 1810 544 16 Corbina telecom
2118 1396 97 14 EUnet/RELCOM Autonomous Syste
12479 848 776 68 Uni2 Autonomous System
34984 793 206 180 BILISIM TELEKOM
6830 726 2313 444 UPC Distribution Services
31148 724 37 9 FreeNet ISP
20940 703 222 535 Akamai Technologies European
13188 695 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 2051 1277 60 NET Servicos de Comunicao S.A
8151 1589 3070 351 UniNet S.A. de C.V.
7303 1566 1035 202 Telecom Argentina Stet-France
6503 1538 435 69 AVANTEL, S.A.
27947 727 74 91 Telconet S.A
3816 648 309 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 891 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 686 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 270 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 3228 3727 172 bellsouth.net, inc.
7029 3165 990 161 Windstream Communications Inc
4766 2974 11428 902 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2200 379 222 TVCABLE BOGOTA
18566 2084 382 180 Covad Communications
28573 2051 1277 60 NET Servicos de Comunicao S.A
1785 1924 678 128 PaeTec Communications, Inc.
22773 1902 2931 128 Cox Communications, Inc.
8402 1810 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 3165 3004 Windstream Communications Inc
17974 2365 2311 PT TELEKOMUNIKASI INDONESIA
4766 2974 2072 Korea Telecom (KIX)
28573 2051 1991 NET Servicos de Comunicao S.A
10620 2200 1978 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1924 1796 PaeTec Communications, Inc.
8402 1810 1794 Corbina telecom
22773 1902 1774 Cox Communications, Inc.
7545 1772 1685 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 /14:848 /15:1547 /16:12445 /17:6495 /18:10878
/19:21117 /20:30377 /21:32416 /22:42747 /23:40064 /24:223954
/25:1350 /26:1667 /27:908 /28:179 /29:65 /30:17
/31:0 /32:25
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 1801 3228 bellsouth.net, inc.
8402 1525 1810 Corbina telecom
30036 1285 1353 Mediacom Communications Corp
22773 1243 1902 Cox Communications, Inc.
11492 1164 1201 Cable One
6503 1054 1538 AVANTEL, S.A.
1785 1016 1924 PaeTec Communications, Inc.
7011 945 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:629 2:779 3:1 4:13 5:552 6:3
8:470 12:1964 13:1 14:668 15:11 16:3
17:6 20:27 23:202 24:1786 27:1371 31:1021
32:54 33:2 34:2 36:7 37:841 38:827
39:2 40:133 41:2773 42:158 44:3 46:1615
47:2 49:451 50:595 52:12 54:24 55:6
56:3 57:27 58:987 59:541 60:237 61:1290
62:938 63:1999 64:4277 65:2232 66:4520 67:2096
68:1159 69:3225 70:988 71:514 72:1867 74:2603
75:486 76:308 77:968 78:968 79:502 80:1250
81:969 82:633 83:538 84:522 85:1158 86:482
87:935 88:364 89:1815 90:304 91:5232 92:597
93:1514 94:1628 95:1113 96:396 97:325 98:966
99:39 100:28 101:266 103:1635 105:512 106:117
107:199 108:472 109:1585 110:800 111:958 112:445
113:712 114:621 115:895 116:891 117:744 118:964
119:1231 120:338 121:688 122:1641 123:1164 124:1337
125:1281 128:563 129:195 130:288 131:639 132:309
133:22 134:253 135:62 136:221 137:239 138:338
139:171 140:498 141:286 142:486 143:390 144:493
145:82 146:506 147:274 148:748 149:328 150:158
151:204 152:451 153:179 154:20 155:423 156:225
157:374 158:258 159:660 160:346 161:410 162:366
163:191 164:707 165:424 166:526 167:552 168:990
169:127 170:911 171:151 172:7 173:1674 174:631
175:434 176:781 177:1268 178:1620 180:1344 181:149
182:1071 183:297 184:608 185:24 186:2227 187:1306
188:1734 189:1594 190:5781 192:6040 193:5756 194:4616
195:3662 196:1235 197:230 198:3830 199:5065 200:5999
201:1958 202:8682 203:8701 204:4403 205:2533 206:2766
207:2845 208:4051 209:3642 210:2840 211:1530 212:2015
213:1815 214:885 215:87 216:5130 217:1571 218:573
219:312 220:1250 221:534 222:337 223:414
End of report
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