* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 17 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 422061
Prefixes after maximum aggregation: 177317
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 204324
Total ASes present in the Internet Routing Table: 41824
Prefixes per ASN: 10.09
Origin-only ASes present in the Internet Routing Table: 33467
Origin ASes announcing only one prefix: 15701
Transit ASes present in the Internet Routing Table: 5606
Transit-only ASes present in the Internet Routing Table: 138
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: 434
Unregistered ASNs in the Routing Table: 178
Number of 32-bit ASNs allocated by the RIRs: 3129
Number of 32-bit ASNs visible in the Routing Table: 2751
Prefixes from 32-bit ASNs in the Routing Table: 7099
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2590841996
Equivalent to 154 /8s, 109 /16s and 28 /24s
Percentage of available address space announced: 69.9
Percentage of allocated address space announced: 70.0
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.2
Total number of prefixes smaller than registry allocations: 148577
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101842
Total APNIC prefixes after maximum aggregation: 32688
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 102412
Unique aggregates announced from the APNIC address blocks: 42260
APNIC Region origin ASes present in the Internet Routing Table: 4739
APNIC Prefixes per ASN: 21.61
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 764
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: 282
Number of APNIC addresses announced to Internet: 707857280
Equivalent to 42 /8s, 49 /16s and 11 /24s
Percentage of available APNIC address space announced: 82.7
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: 153707
Total ARIN prefixes after maximum aggregation: 77915
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154713
Unique aggregates announced from the ARIN address blocks: 68825
ARIN Region origin ASes present in the Internet Routing Table: 15216
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5748
ARIN Region transit ASes present in the Internet Routing Table: 1607
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: 17
Number of ARIN addresses announced to Internet: 1084112768
Equivalent to 64 /8s, 158 /16s and 63 /24s
Percentage of available ARIN address space announced: 57.4
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: 106496
Total RIPE prefixes after maximum aggregation: 56065
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108716
Unique aggregates announced from the RIPE address blocks: 67548
RIPE Region origin ASes present in the Internet Routing Table: 16763
RIPE Prefixes per ASN: 6.49
RIPE Region origin ASes announcing only one prefix: 8115
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: 1792
Number of RIPE addresses announced to Internet: 642029796
Equivalent to 38 /8s, 68 /16s and 152 /24s
Percentage of available RIPE address space announced: 93.3
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: 43133
Total LACNIC prefixes after maximum aggregation: 8401
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 45968
Unique aggregates announced from the LACNIC address blocks: 22126
LACNIC Region origin ASes present in the Internet Routing Table: 1628
LACNIC Prefixes per ASN: 28.24
LACNIC Region origin ASes announcing only one prefix: 427
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: 654
Number of LACNIC addresses announced to Internet: 114211496
Equivalent to 6 /8s, 206 /16s and 186 /24s
Percentage of available LACNIC address space announced: 68.1
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: 9634
Total AfriNIC prefixes after maximum aggregation: 2193
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 10086
Unique aggregates announced from the AfriNIC address blocks: 3427
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.17
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 41661696
Equivalent to 2 /8s, 123 /16s and 181 /24s
Percentage of available AfriNIC address space announced: 41.4
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 2761 11117 1250 Korea Telecom (KIX)
17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1715 301 87 TPG Internet Pty Ltd
4755 1606 386 158 TATA Communications formerly
9829 1312 1084 31 BSNL National Internet Backbo
9583 1169 86 510 Sify Limited
4808 1133 2055 326 CNCGROUP IP network: China169
7552 1102 1062 11 Vietel Corporation
24560 1038 385 159 Bharti Airtel Ltd., Telemedia
9498 1000 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 3441 990 154 Windstream Communications Inc
6389 3373 3772 192 bellsouth.net, inc.
18566 2088 382 180 Covad Communications
1785 1939 680 129 PaeTec Communications, Inc.
22773 1725 2914 127 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1574 1026 384 Time Warner Telecom
30036 1417 282 793 Mediacom Communications Corp
7018 1238 10022 808 AT&T WorldNet Services
11492 1193 217 350 Cable One
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 1547 544 16 Corbina telecom
15557 1216 2247 55 LDCOM NETWORKS
12479 827 764 85 Uni2 Autonomous System
34984 747 189 175 BILISIM TELEKOM
6830 715 2311 446 UPC Distribution Services
20940 709 229 550 Akamai Technologies European
31148 704 37 9 FreeNet ISP
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 657 100 9 Educational Network
58113 624 70 370 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 2085 354 216 TVCABLE BOGOTA
28573 2048 1242 55 NET Servicos de Comunicao S.A
7303 1563 1033 200 Telecom Argentina Stet-France
6503 1530 435 68 AVANTEL, S.A.
8151 1470 3036 339 UniNet S.A. de C.V.
6458 884 81 15 GUATEL
27947 715 74 95 Telconet S.A
3816 602 255 90 Empresa Nacional de Telecomun
11172 591 85 70 Servicios Alestra S.A de C.V
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
8452 893 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 The Internet Solution
12258 195 28 62 Vodacom Internet Company
15706 193 32 6 Sudatel Internet Exchange Aut
33776 193 12 17 Starcomms Nigeria Limited
29975 191 667 21 Vodacom
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 3441 990 154 Windstream Communications Inc
6389 3373 3772 192 bellsouth.net, inc.
4766 2761 11117 1250 Korea Telecom (KIX)
17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 180 Covad Communications
10620 2085 354 216 TVCABLE BOGOTA
28573 2048 1242 55 NET Servicos de Comunicao S.A
1785 1939 680 129 PaeTec Communications, Inc.
22773 1725 2914 127 Cox Communications, Inc.
7545 1715 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
6389 3373 3181 bellsouth.net, inc.
17974 2342 2288 PT TELEKOMUNIKASI INDONESIA
28573 2048 1993 NET Servicos de Comunicao S.A
18566 2088 1908 Covad Communications
10620 2085 1869 TVCABLE BOGOTA
1785 1939 1810 PaeTec Communications, Inc.
7545 1715 1628 TPG Internet Pty Ltd
22773 1725 1598 Cox Communications, Inc.
8402 1547 1531 Corbina telecom
4766 2761 1511 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
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
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 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.66.0/24 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.
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 /8:20 /9:14 /10:29 /11:84 /12:237
/13:475 /14:846 /15:1530 /16:12360 /17:6383 /18:10776
/19:21007 /20:30050 /21:31944 /22:41890 /23:39698 /24:220880
/25:1221 /26:1492 /27:849 /28:172 /29:62 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3441 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1859 3373 bellsouth.net, inc.
30036 1352 1417 Mediacom Communications Corp
8402 1276 1547 Corbina telecom
15557 1160 1216 LDCOM NETWORKS
11492 1156 1193 Cable One
22773 1132 1725 Cox Communications, Inc.
6503 1051 1530 AVANTEL, S.A.
1785 1040 1939 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:546 2:769 3:1 4:13 5:351 6:3
8:440 12:2010 13:1 14:640 15:11 16:3
17:6 20:26 23:201 24:1801 27:1321 31:1027
32:56 33:2 34:2 36:8 37:732 38:814
39:2 40:133 41:2849 42:156 44:3 46:1577
47:2 49:436 50:576 52:13 54:15 55:6
56:1 57:31 58:987 59:517 60:238 61:1288
62:991 63:2010 64:4258 65:2251 66:4541 67:2054
68:1159 69:3205 70:987 71:521 72:1870 74:2604
75:489 76:330 77:945 78:910 79:499 80:1276
81:955 82:633 83:536 84:621 85:1139 86:794
87:934 88:347 89:1814 90:301 91:5107 92:591
93:1464 94:1576 95:1266 96:411 97:317 98:902
99:39 100:22 101:258 103:1401 105:512 106:113
107:193 108:425 109:1900 110:793 111:948 112:427
113:674 114:657 115:842 116:888 117:725 118:937
119:1242 120:299 121:698 122:1658 123:1169 124:1354
125:1265 128:521 129:185 130:269 131:635 132:299
133:22 134:246 135:61 136:217 137:239 138:338
139:185 140:501 141:269 142:484 143:363 144:491
145:78 146:512 147:254 148:777 149:300 150:155
151:186 152:457 153:175 154:20 155:412 156:222
157:382 158:179 159:637 160:345 161:411 162:401
163:189 164:684 165:412 166:563 167:534 168:953
169:126 170:909 171:145 172:5 173:1726 174:626
175:435 176:603 177:1020 178:1685 180:1335 181:123
182:1035 183:227 184:590 186:2037 187:1127 188:1441
189:1579 190:6160 192:6017 193:5460 194:4234 195:3259
196:1235 197:202 198:3707 199:4910 200:6025 201:1963
202:8704 203:8672 204:4392 205:2538 206:2812 207:2815
208:4049 209:3638 210:2773 211:1540 212:2019 213:1807
214:881 215:86 216:5103 217:1541 218:547 219:316
220:1240 221:529 222:335 223:373
End of report
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