* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 31 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 419140
Prefixes after maximum aggregation: 176824
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 204775
Total ASes present in the Internet Routing Table: 41649
Prefixes per ASN: 10.06
Origin-only ASes present in the Internet Routing Table: 33380
Origin ASes announcing only one prefix: 15701
Transit ASes present in the Internet Routing Table: 5597
Transit-only ASes present in the Internet Routing Table: 132
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: 386
Unregistered ASNs in the Routing Table: 150
Number of 32-bit ASNs allocated by the RIRs: 3051
Number of 32-bit ASNs visible in the Routing Table: 2672
Prefixes from 32-bit ASNs in the Routing Table: 6886
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2572438700
Equivalent to 153 /8s, 84 /16s and 76 /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: 146206
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102335
Total APNIC prefixes after maximum aggregation: 32839
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 102832
Unique aggregates announced from the APNIC address blocks: 42351
APNIC Region origin ASes present in the Internet Routing Table: 4727
APNIC Prefixes per ASN: 21.75
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 753
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: 263
Number of APNIC addresses announced to Internet: 705920896
Equivalent to 42 /8s, 19 /16s and 127 /24s
Percentage of available APNIC address space announced: 82.5
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: 153119
Total ARIN prefixes after maximum aggregation: 77808
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154178
Unique aggregates announced from the ARIN address blocks: 68862
ARIN Region origin ASes present in the Internet Routing Table: 15205
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5773
ARIN Region transit ASes present in the Internet Routing Table: 1600
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: 1072644224
Equivalent to 63 /8s, 239 /16s and 64 /24s
Percentage of available ARIN address space announced: 56.7
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: 104282
Total RIPE prefixes after maximum aggregation: 55569
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 106496
Unique aggregates announced from the RIPE address blocks: 68082
RIPE Region origin ASes present in the Internet Routing Table: 16714
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8092
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: 1756
Number of RIPE addresses announced to Internet: 638146308
Equivalent to 38 /8s, 9 /16s and 87 /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: 42869
Total LACNIC prefixes after maximum aggregation: 8376
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 45555
Unique aggregates announced from the LACNIC address blocks: 21928
LACNIC Region origin ASes present in the Internet Routing Table: 1616
LACNIC Prefixes per ASN: 28.19
LACNIC Region origin ASes announcing only one prefix: 425
LACNIC Region transit ASes present in the Internet Routing Table: 313
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: 631
Number of LACNIC addresses announced to Internet: 112996776
Equivalent to 6 /8s, 188 /16s and 49 /24s
Percentage of available LACNIC address space announced: 67.4
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: 9489
Total AfriNIC prefixes after maximum aggregation: 2178
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 9913
Unique aggregates announced from the AfriNIC address blocks: 3407
AfriNIC Region origin ASes present in the Internet Routing Table: 550
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 168
AfriNIC Region transit ASes present in the Internet Routing Table: 121
Average AfriNIC Region AS path length visible: 4.4
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: 41367808
Equivalent to 2 /8s, 119 /16s and 57 /24s
Percentage of available AfriNIC address space announced: 41.1
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 2759 11123 1252 Korea Telecom (KIX)
17974 2273 569 90 PT TELEKOMUNIKASI INDONESIA
7545 1702 301 88 TPG Internet Pty Ltd
4755 1602 386 156 TATA Communications formerly
9829 1309 1084 31 BSNL National Internet Backbo
9583 1159 87 507 Sify Limited
7552 1128 1062 11 Vietel Corporation
4808 1121 2053 321 CNCGROUP IP network: China169
24560 1038 385 165 Bharti Airtel Ltd., Telemedia
9498 993 294 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 3413 986 155 Windstream Communications Inc
6389 3382 3773 191 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1939 681 130 PaeTec Communications, Inc.
22773 1698 2914 125 Cox Communications, Inc.
20115 1647 1570 611 Charter Communications
4323 1574 1027 382 Time Warner Telecom
30036 1408 275 791 Mediacom Communications Corp
7018 1253 10040 823 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 1663 544 16 Corbina telecom
12479 808 749 92 Uni2 Autonomous System
34984 735 189 177 BILISIM TELEKOM
6830 715 2310 446 UPC Distribution Services
20940 711 231 561 Akamai Technologies European
31148 706 37 9 FreeNet ISP
2118 632 97 14 EUnet/RELCOM Autonomous Syste
13188 619 100 9 Educational Network
8551 577 364 61 Bezeq International
58113 535 62 291 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
28573 2044 1226 58 NET Servicos de Comunicao S.A
10620 2032 349 211 TVCABLE BOGOTA
6503 1527 419 67 AVANTEL, S.A.
8151 1471 3071 348 UniNet S.A. de C.V.
7303 1453 934 193 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 594 248 87 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 1009 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
24835 284 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 182 32 6 Sudatel Internet Exchange Aut
16637 170 680 87 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 3413 986 155 Windstream Communications Inc
6389 3382 3773 191 bellsouth.net, inc.
4766 2759 11123 1252 Korea Telecom (KIX)
17974 2273 569 90 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
28573 2044 1226 58 NET Servicos de Comunicao S.A
10620 2032 349 211 TVCABLE BOGOTA
1785 1939 681 130 PaeTec Communications, Inc.
7545 1702 301 88 TPG Internet Pty Ltd
22773 1698 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 3382 3191 bellsouth.net, inc.
17974 2273 2183 PT TELEKOMUNIKASI INDONESIA
28573 2044 1986 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
10620 2032 1821 TVCABLE BOGOTA
1785 1939 1809 PaeTec Communications, Inc.
8402 1663 1647 Corbina telecom
7545 1702 1614 TPG Internet Pty Ltd
22773 1698 1573 Cox Communications, Inc.
4766 2759 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
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 5.149.68.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.71.0/24 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
59473 UNALLOCATED 5.149.152.0/22 44843 AmsterdamTelecom Ltd
59473 UNALLOCATED 5.149.156.0/23 44843 AmsterdamTelecom Ltd
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 14744 Internap Network Services
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.172.64.0/18 50809 Digitel Italia S.p.A.
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
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
/13:475 /14:849 /15:1530 /16:12310 /17:6367 /18:10769
/19:20945 /20:29915 /21:31764 /22:41439 /23:39668 /24:218920
/25:1217 /26:1475 /27:854 /28:164 /29:60 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2773 3413 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1864 3382 bellsouth.net, inc.
8402 1361 1663 Corbina telecom
30036 1343 1408 Mediacom Communications Corp
11492 1145 1182 Cable One
22773 1122 1698 Cox Communications, Inc.
6503 1051 1527 AVANTEL, S.A.
1785 1048 1939 PaeTec Communications, Inc.
7011 930 1191 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:562 2:758 3:1 4:13 5:290 6:3
8:440 12:2007 13:1 14:634 15:11 16:3
17:6 20:24 23:203 24:1795 27:1320 31:1024
32:56 33:2 34:2 36:8 37:684 38:824
39:1 40:134 41:2824 42:158 44:3 46:1548
47:2 49:428 50:570 52:13 54:14 55:7
56:1 57:31 58:985 59:508 60:237 61:1289
62:923 63:2029 64:4243 65:2240 66:4513 67:2023
68:1156 69:3201 70:987 71:520 72:1868 74:2605
75:490 76:334 77:940 78:930 79:487 80:1226
81:950 82:639 83:539 84:513 85:1160 86:457
87:932 88:346 89:1787 90:304 91:5068 92:589
93:1314 94:1563 95:1237 96:400 97:318 98:893
99:39 100:22 101:259 103:1327 105:464 106:115
107:189 108:407 109:1475 110:794 111:946 112:432
113:682 114:674 115:854 116:923 117:737 118:948
119:1236 120:358 121:695 122:1680 123:1156 124:1377
125:1260 128:556 129:183 130:265 131:639 132:292
133:22 134:245 135:61 136:216 137:240 138:343
139:183 140:495 141:254 142:453 143:372 144:499
145:78 146:510 147:301 148:767 149:319 150:155
151:186 152:473 153:176 154:19 155:403 156:222
157:382 158:191 159:627 160:348 161:290 162:384
163:189 164:674 165:407 166:582 167:529 168:956
169:125 170:898 171:147 172:5 173:1738 174:609
175:431 176:574 177:1001 178:1661 180:1328 181:113
182:1046 183:234 184:560 186:2003 187:1106 188:1366
189:1583 190:6130 192:6021 193:5433 194:4199 195:3205
196:1209 197:187 198:3682 199:4934 200:5980 201:1982
202:8729 203:8679 204:4390 205:2533 206:2794 207:2830
208:4053 209:3633 210:2760 211:1566 212:2003 213:1802
214:880 215:86 216:5078 217:1557 218:562 219:317
220:1237 221:571 222:336 223:351
End of report
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