* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 06 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 421018
Prefixes after maximum aggregation: 176949
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 204853
Total ASes present in the Internet Routing Table: 41682
Prefixes per ASN: 10.10
Origin-only ASes present in the Internet Routing Table: 33398
Origin ASes announcing only one prefix: 15674
Transit ASes present in the Internet Routing Table: 5591
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 9902) 31
Prefixes from unregistered ASNs in the Routing Table: 410
Unregistered ASNs in the Routing Table: 156
Number of 32-bit ASNs allocated by the RIRs: 3071
Number of 32-bit ASNs visible in the Routing Table: 2693
Prefixes from 32-bit ASNs in the Routing Table: 6933
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 156
Number of addresses announced to Internet: 2572621452
Equivalent to 153 /8s, 87 /16s and 22 /24s
Percentage of available address space announced: 69.4
Percentage of allocated address space announced: 69.5
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 147996
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101975
Total APNIC prefixes after maximum aggregation: 32737
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102480
Unique aggregates announced from the APNIC address blocks: 41996
APNIC Region origin ASes present in the Internet Routing Table: 4733
APNIC Prefixes per ASN: 21.65
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 760
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: 272
Number of APNIC addresses announced to Internet: 706759296
Equivalent to 42 /8s, 32 /16s and 74 /24s
Percentage of available APNIC address space announced: 82.6
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: 153379
Total ARIN prefixes after maximum aggregation: 77761
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154429
Unique aggregates announced from the ARIN address blocks: 68910
ARIN Region origin ASes present in the Internet Routing Table: 15197
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5752
ARIN Region transit ASes present in the Internet Routing Table: 1599
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 1073033088
Equivalent to 63 /8s, 245 /16s and 47 /24s
Percentage of available ARIN address space announced: 56.8
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: 106023
Total RIPE prefixes after maximum aggregation: 55808
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108198
Unique aggregates announced from the RIPE address blocks: 68406
RIPE Region origin ASes present in the Internet Routing Table: 16728
RIPE Prefixes per ASN: 6.47
RIPE Region origin ASes announcing only one prefix: 8099
RIPE Region transit ASes present in the Internet Routing Table: 2701
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: 1757
Number of RIPE addresses announced to Internet: 638030564
Equivalent to 38 /8s, 7 /16s and 146 /24s
Percentage of available RIPE address space announced: 92.8
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: 42978
Total LACNIC prefixes after maximum aggregation: 8390
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 45732
Unique aggregates announced from the LACNIC address blocks: 21974
LACNIC Region origin ASes present in the Internet Routing Table: 1611
LACNIC Prefixes per ASN: 28.39
LACNIC Region origin ASes announcing only one prefix: 419
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: 642
Number of LACNIC addresses announced to Internet: 112928680
Equivalent to 6 /8s, 187 /16s and 39 /24s
Percentage of available LACNIC address space announced: 67.3
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: 9575
Total AfriNIC prefixes after maximum aggregation: 2199
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 10023
Unique aggregates announced from the AfriNIC address blocks: 3432
AfriNIC Region origin ASes present in the Internet Routing Table: 554
AfriNIC Prefixes per ASN: 18.09
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 125
Average AfriNIC Region AS path length visible: 4.6
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: 41572864
Equivalent to 2 /8s, 122 /16s and 90 /24s
Percentage of available AfriNIC address space announced: 41.3
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 2760 11123 1253 Korea Telecom (KIX)
17974 2291 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1712 301 88 TPG Internet Pty Ltd
4755 1604 386 157 TATA Communications formerly
9829 1310 1084 31 BSNL National Internet Backbo
9583 1163 87 507 Sify Limited
7552 1128 1062 11 Vietel Corporation
4808 1122 2052 322 CNCGROUP IP network: China169
24560 1038 385 165 Bharti Airtel Ltd., Telemedia
9498 995 294 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 3445 986 155 Windstream Communications Inc
6389 3343 3773 191 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1943 681 129 PaeTec Communications, Inc.
22773 1699 2914 125 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1576 1027 385 Time Warner Telecom
30036 1432 280 787 Mediacom Communications Corp
7018 1247 10040 814 AT&T WorldNet Services
7011 1191 316 697 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 1585 544 16 Corbina telecom
15557 1215 2247 55 LDCOM NETWORKS
12479 823 761 88 Uni2 Autonomous System
34984 735 189 177 BILISIM TELEKOM
20940 722 236 566 Akamai Technologies European
6830 714 2310 445 UPC Distribution Services
31148 704 37 9 FreeNet ISP
2118 664 97 14 EUnet/RELCOM Autonomous Syste
13188 661 100 9 Educational Network
58113 632 70 369 LIR DATACENTER TELECOM SRL
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 2036 350 211 TVCABLE BOGOTA
28573 2030 1228 58 NET Servicos de Comunicao S.A
6503 1527 419 67 AVANTEL, S.A.
8151 1474 3072 348 UniNet S.A. de C.V.
7303 1461 936 199 Telecom Argentina Stet-France
6458 882 81 15 GUATEL
27947 719 74 95 Telconet S.A
11172 644 91 74 Servicios Alestra S.A de C.V
3816 602 255 90 Empresa Nacional de Telecomun
22047 583 326 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
8452 963 958 13 TEDATA
24863 864 274 32 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 509 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
33776 215 12 19 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 179 32 6 Sudatel Internet Exchange Aut
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 3445 986 155 Windstream Communications Inc
6389 3343 3773 191 bellsouth.net, inc.
4766 2760 11123 1253 Korea Telecom (KIX)
17974 2291 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
10620 2036 350 211 TVCABLE BOGOTA
28573 2030 1228 58 NET Servicos de Comunicao S.A
1785 1943 681 129 PaeTec Communications, Inc.
7545 1712 301 88 TPG Internet Pty Ltd
22773 1699 2914 125 Cox Communications, Inc.
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 3343 3152 bellsouth.net, inc.
17974 2291 2237 PT TELEKOMUNIKASI INDONESIA
28573 2030 1972 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
10620 2036 1825 TVCABLE BOGOTA
1785 1943 1814 PaeTec Communications, Inc.
7545 1712 1624 TPG Internet Pty Ltd
22773 1699 1574 Cox Communications, Inc.
8402 1585 1569 Corbina telecom
4766 2760 1507 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.68.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.84.0/24 35567 DASTO semtel d.o.o.
59458 UNALLOCATED 5.149.96.0/21 50597 ScopeSky Communicati
59458 UNALLOCATED 5.149.104.0/22 50597 ScopeSky Communicati
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
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
41.207.224.0/23 36898 UniNet Communications
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 /8:19 /9:12 /10:28 /11:82 /12:236
/13:474 /14:849 /15:1529 /16:12336 /17:6370 /18:10753
/19:20961 /20:29914 /21:31864 /22:41583 /23:39657 /24:220449
/25:1275 /26:1507 /27:853 /28:163 /29:62 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2804 3445 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1835 3343 bellsouth.net, inc.
30036 1367 1432 Mediacom Communications Corp
8402 1283 1585 Corbina telecom
15557 1159 1215 LDCOM NETWORKS
11492 1154 1191 Cable One
22773 1123 1699 Cox Communications, Inc.
1785 1052 1943 PaeTec Communications, Inc.
6503 1051 1527 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:557 2:724 3:1 4:13 5:300 6:3
8:438 12:2004 13:1 14:631 15:11 16:3
17:6 20:24 23:204 24:1800 27:1319 31:1025
32:56 33:2 34:2 36:8 37:689 38:823
39:1 40:134 41:2848 42:156 44:3 46:1552
47:2 49:428 50:576 52:13 54:14 55:7
56:1 57:31 58:987 59:510 60:236 61:1279
62:973 63:2026 64:4243 65:2248 66:4533 67:2035
68:1150 69:3191 70:986 71:520 72:1869 74:2608
75:489 76:332 77:945 78:938 79:497 80:1260
81:954 82:641 83:541 84:621 85:1148 86:794
87:934 88:354 89:1804 90:305 91:5075 92:588
93:1467 94:1558 95:1275 96:400 97:318 98:903
99:39 100:22 101:254 103:1340 105:512 106:112
107:189 108:414 109:1915 110:789 111:947 112:431
113:660 114:703 115:854 116:916 117:728 118:947
119:1218 120:361 121:694 122:1653 123:1159 124:1347
125:1265 128:553 129:183 130:267 131:621 132:298
133:22 134:245 135:61 136:216 137:240 138:345
139:184 140:495 141:258 142:451 143:371 144:493
145:78 146:507 147:283 148:768 149:319 150:152
151:186 152:450 153:175 154:19 155:405 156:222
157:381 158:188 159:630 160:348 161:398 162:385
163:190 164:674 165:411 166:577 167:533 168:964
169:126 170:906 171:147 172:5 173:1740 174:631
175:427 176:571 177:989 178:1674 180:1330 181:114
182:1030 183:233 184:572 186:2068 187:1115 188:1412
189:1589 190:6169 192:6026 193:5445 194:4202 195:3262
196:1229 197:201 198:3697 199:4951 200:6003 201:1975
202:8666 203:8667 204:4394 205:2534 206:2795 207:2835
208:4044 209:3628 210:2772 211:1548 212:2011 213:1803
214:852 215:86 216:5067 217:1557 218:562 219:315
220:1238 221:572 222:333 223:371
End of report
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