* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 23 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 429303
Prefixes after maximum aggregation: 179333
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210899
Total ASes present in the Internet Routing Table: 42415
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33743
Origin ASes announcing only one prefix: 15795
Transit ASes present in the Internet Routing Table: 5657
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: 40
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 846
Unregistered ASNs in the Routing Table: 315
Number of 32-bit ASNs allocated by the RIRs: 3401
Number of 32-bit ASNs visible in the Routing Table: 3015
Prefixes from 32-bit ASNs in the Routing Table: 8166
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2607181036
Equivalent to 155 /8s, 102 /16s and 108 /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: 93.8
Total number of prefixes smaller than registry allocations: 150661
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103276
Total APNIC prefixes after maximum aggregation: 32560
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 104042
Unique aggregates announced from the APNIC address blocks: 42998
APNIC Region origin ASes present in the Internet Routing Table: 4782
APNIC Prefixes per ASN: 21.76
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 778
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: 335
Number of APNIC addresses announced to Internet: 711093664
Equivalent to 42 /8s, 98 /16s and 109 /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: 154814
Total ARIN prefixes after maximum aggregation: 78269
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155668
Unique aggregates announced from the ARIN address blocks: 69556
ARIN Region origin ASes present in the Internet Routing Table: 15285
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5774
ARIN Region transit ASes present in the Internet Routing Table: 1598
Average ARIN Region AS path length visible: 4.2
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: 1087042944
Equivalent to 64 /8s, 202 /16s and 245 /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: 109145
Total RIPE prefixes after maximum aggregation: 57471
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111783
Unique aggregates announced from the RIPE address blocks: 71931
RIPE Region origin ASes present in the Internet Routing Table: 16907
RIPE Prefixes per ASN: 6.61
RIPE Region origin ASes announcing only one prefix: 8133
RIPE Region transit ASes present in the Internet Routing Table: 2745
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: 1961
Number of RIPE addresses announced to Internet: 648329764
Equivalent to 38 /8s, 164 /16s and 186 /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: 44152
Total LACNIC prefixes after maximum aggregation: 8729
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 47526
Unique aggregates announced from the LACNIC address blocks: 22796
LACNIC Region origin ASes present in the Internet Routing Table: 1682
LACNIC Prefixes per ASN: 28.26
LACNIC Region origin ASes announcing only one prefix: 462
LACNIC Region transit ASes present in the Internet Routing Table: 319
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 697
Number of LACNIC addresses announced to Internet: 118146472
Equivalent to 7 /8s, 10 /16s and 197 /24s
Percentage of available LACNIC address space announced: 70.4
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: 9636
Total AfriNIC prefixes after maximum aggregation: 2250
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 10122
Unique aggregates announced from the AfriNIC address blocks: 3476
AfriNIC Region origin ASes present in the Internet Routing Table: 570
AfriNIC Prefixes per ASN: 17.76
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 5
Number of AfriNIC addresses announced to Internet: 42267392
Equivalent to 2 /8s, 132 /16s and 243 /24s
Percentage of available AfriNIC address space announced: 42.0
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 2970 11430 899 Korea Telecom (KIX)
17974 2395 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1774 301 86 TPG Internet Pty Ltd
4755 1618 387 163 TATA Communications formerly
9829 1409 1154 41 BSNL National Internet Backbo
9583 1187 88 509 Sify Limited
4808 1112 2056 315 CNCGROUP IP network: China169
7552 1096 1062 15 Vietel Corporation
24560 1035 385 162 Bharti Airtel Ltd., Telemedia
9498 1020 307 69 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 3185 3725 167 bellsouth.net, inc.
7029 3136 990 162 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1926 678 126 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
20115 1661 1584 615 Charter Communications
4323 1591 1155 393 Time Warner Telecom
30036 1345 268 752 Mediacom Communications Corp
7018 1274 10305 846 AT&T WorldNet Services
7011 1221 333 691 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 1856 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 Uni2 Autonomous System
34984 821 207 197 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
6830 723 2313 445 UPC Distribution Services
13188 703 93 145 Educational Network
20940 700 223 546 Akamai Technologies European
58113 602 67 364 LIR DATACENTER TELECOM SRL
8551 596 364 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 2224 378 227 TVCABLE BOGOTA
28573 2143 1277 60 NET Servicos de Comunicao S.A
7303 1662 1131 203 Telecom Argentina Stet-France
8151 1588 3028 355 UniNet S.A. de C.V.
6503 1539 435 69 AVANTEL, S.A.
27947 739 74 96 Telconet S.A
3816 649 309 70 Empresa Nacional de Telecomun
11172 590 85 66 Servicios Alestra S.A de C.V
14420 589 87 102 CORPORACION NACIONAL DE TELEC
7738 586 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 648 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 173 683 86 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 3185 3725 167 bellsouth.net, inc.
7029 3136 990 162 Windstream Communications Inc
4766 2970 11430 899 Korea Telecom (KIX)
17974 2395 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2224 378 227 TVCABLE BOGOTA
28573 2143 1277 60 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1926 678 126 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
8402 1856 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 3136 2974 Windstream Communications Inc
17974 2395 2341 PT TELEKOMUNIKASI INDONESIA
28573 2143 2083 NET Servicos de Comunicao S.A
4766 2970 2071 Korea Telecom (KIX)
10620 2224 1997 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
8402 1856 1840 Corbina telecom
1785 1926 1800 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications, Inc.
7545 1774 1688 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 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
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
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.128.0/20 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
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
/13:478 /14:849 /15:1549 /16:12450 /17:6512 /18:10859
/19:21208 /20:30503 /21:32481 /22:43000 /23:40211 /24:224586
/25:1353 /26:1684 /27:906 /28:176 /29:66 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2625 3136 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1791 3185 bellsouth.net, inc.
8402 1568 1856 Corbina telecom
30036 1272 1345 Mediacom Communications Corp
22773 1247 1907 Cox Communications, Inc.
11492 1148 1183 Cable One
6503 1054 1539 AVANTEL, S.A.
1785 1016 1926 PaeTec Communications, Inc.
7011 957 1221 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:643 2:767 3:1 4:13 5:580 6:3
8:475 12:1977 13:1 14:671 15:11 16:3
17:6 20:27 23:211 24:1788 27:1366 31:1028
32:54 33:2 34:2 36:7 37:861 38:838
39:2 40:136 41:2775 42:158 44:3 46:1646
47:2 49:458 50:600 52:12 54:25 55:7
56:5 57:27 58:983 59:545 60:236 61:1295
62:966 63:2001 64:4280 65:2231 66:4531 67:2123
68:1155 69:3241 70:988 71:505 72:1872 74:2612
75:481 76:309 77:972 78:988 79:504 80:1232
81:974 82:624 83:543 84:525 85:1154 86:486
87:947 88:361 89:1801 90:303 91:5254 92:579
93:1464 94:1660 95:1230 96:396 97:325 98:963
99:39 100:30 101:270 103:1671 105:512 106:121
107:201 108:484 109:1583 110:807 111:968 112:435
113:728 114:631 115:891 116:892 117:759 118:943
119:1227 120:348 121:688 122:1698 123:1163 124:1341
125:1282 128:567 129:196 130:284 131:615 132:306
133:22 134:251 135:62 136:220 137:239 138:337
139:170 140:492 141:287 142:493 143:380 144:497
145:82 146:511 147:267 148:747 149:330 150:155
151:205 152:448 153:183 154:20 155:434 156:227
157:372 158:261 159:660 160:338 161:413 162:365
163:191 164:708 165:445 166:526 167:554 168:997
169:126 170:919 171:152 172:7 173:1687 174:615
175:453 176:755 177:1295 178:1613 180:1345 181:163
182:1107 183:315 184:608 185:31 186:2235 187:1334
188:1690 189:1593 190:5933 192:6047 193:5538 194:4598
195:3660 196:1231 197:245 198:3872 199:5078 200:6007
201:1969 202:8673 203:8719 204:4413 205:2525 206:2745
207:2804 208:4067 209:3627 210:2841 211:1533 212:2067
213:1856 214:898 215:86 216:5122 217:1576 218:572
219:315 220:1256 221:532 222:337 223:402
End of report
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