Routing Table Report 04:00 +10GMT Mon 27 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 422581
Prefixes after maximum aggregation: 177598
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 206303
Total ASes present in the Internet Routing Table: 41915
Prefixes per ASN: 10.08
Origin-only ASes present in the Internet Routing Table: 33513
Origin ASes announcing only one prefix: 15730
Transit ASes present in the Internet Routing Table: 5605
Transit-only ASes present in the Internet Routing Table: 137
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: 642
Unregistered ASNs in the Routing Table: 226
Number of 32-bit ASNs allocated by the RIRs: 3179
Number of 32-bit ASNs visible in the Routing Table: 2797
Prefixes from 32-bit ASNs in the Routing Table: 7258
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 164
Number of addresses announced to Internet: 2590895692
Equivalent to 154 /8s, 109 /16s and 238 /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: 93.3
Total number of prefixes smaller than registry allocations: 149031
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101660
Total APNIC prefixes after maximum aggregation: 32822
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 102258
Unique aggregates announced from the APNIC address blocks: 42465
APNIC Region origin ASes present in the Internet Routing Table: 4740
APNIC Prefixes per ASN: 21.57
APNIC Region origin ASes announcing only one prefix: 1241
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: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 286
Number of APNIC addresses announced to Internet: 707688832
Equivalent to 42 /8s, 46 /16s and 121 /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: 153981
Total ARIN prefixes after maximum aggregation: 77895
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 154992
Unique aggregates announced from the ARIN address blocks: 68947
ARIN Region origin ASes present in the Internet Routing Table: 15232
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5759
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: 1085359808
Equivalent to 64 /8s, 177 /16s and 70 /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: 106845
Total RIPE prefixes after maximum aggregation: 56195
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 109140
Unique aggregates announced from the RIPE address blocks: 69204
RIPE Region origin ASes present in the Internet Routing Table: 16789
RIPE Prefixes per ASN: 6.50
RIPE Region origin ASes announcing only one prefix: 8132
RIPE Region transit ASes present in the Internet Routing Table: 2716
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: 1820
Number of RIPE addresses announced to Internet: 641327588
Equivalent to 38 /8s, 57 /16s and 225 /24s
Percentage of available RIPE address space announced: 93.2
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: 43064
Total LACNIC prefixes after maximum aggregation: 8437
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 45953
Unique aggregates announced from the LACNIC address blocks: 22112
LACNIC Region origin ASes present in the Internet Routing Table: 1629
LACNIC Prefixes per ASN: 28.21
LACNIC Region origin ASes announcing only one prefix: 424
LACNIC Region transit ASes present in the Internet Routing Table: 314
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: 668
Number of LACNIC addresses announced to Internet: 114542120
Equivalent to 6 /8s, 211 /16s and 198 /24s
Percentage of available LACNIC address space announced: 68.3
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: 9615
Total AfriNIC prefixes after maximum aggregation: 2195
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 10074
Unique aggregates announced from the AfriNIC address blocks: 3439
AfriNIC Region origin ASes present in the Internet Routing Table: 558
AfriNIC Prefixes per ASN: 18.05
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 41678080
Equivalent to 2 /8s, 123 /16s and 245 /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 2880 11122 1358 Korea Telecom (KIX)
17974 2341 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1726 301 86 TPG Internet Pty Ltd
4755 1609 386 159 TATA Communications formerly
9829 1308 1099 24 BSNL National Internet Backbo
9583 1176 86 509 Sify Limited
4808 1130 2052 323 CNCGROUP IP network: China169
7552 1107 1062 11 Vietel Corporation
24560 1040 386 160 Bharti Airtel Ltd., Telemedia
9498 1000 310 73 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 3446 990 154 Windstream Communications Inc
6389 3359 3755 190 bellsouth.net, inc.
18566 2086 382 179 Covad Communications
1785 1946 681 130 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications, Inc.
20115 1648 1575 609 Charter Communications
4323 1574 1026 388 Time Warner Telecom
30036 1446 284 734 Mediacom Communications Corp
7018 1248 10308 816 AT&T WorldNet Services
11492 1197 217 345 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 1595 544 16 Corbina telecom
15557 1218 2247 55 LDCOM NETWORKS
12479 828 764 85 Uni2 Autonomous System
34984 750 189 175 BILISIM TELEKOM
6830 719 2313 446 UPC Distribution Services
31148 712 37 9 FreeNet ISP
20940 707 227 549 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 657 100 9 Educational Network
58113 616 69 362 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 2100 358 219 TVCABLE BOGOTA
28573 2037 1244 55 NET Servicos de Comunicao S.A
7303 1565 1034 200 Telecom Argentina Stet-France
8151 1469 3033 344 UniNet S.A. de C.V.
6503 1418 435 68 AVANTEL, S.A.
6458 884 81 15 GUATEL
27947 720 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 883 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 535 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 194 28 66 Vodacom Internet Company
33776 194 13 11 Starcomms Nigeria Limited
15706 193 32 6 Sudatel Internet Exchange Aut
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 3446 990 154 Windstream Communications Inc
6389 3359 3755 190 bellsouth.net, inc.
4766 2880 11122 1358 Korea Telecom (KIX)
17974 2341 702 54 PT TELEKOMUNIKASI INDONESIA
10620 2100 358 219 TVCABLE BOGOTA
18566 2086 382 179 Covad Communications
28573 2037 1244 55 NET Servicos de Comunicao S.A
1785 1946 681 130 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications, Inc.
7545 1726 301 86 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 3359 3169 bellsouth.net, inc.
17974 2341 2287 PT TELEKOMUNIKASI INDONESIA
28573 2037 1982 NET Servicos de Comunicao S.A
18566 2086 1907 Covad Communications
10620 2100 1881 TVCABLE BOGOTA
1785 1946 1816 PaeTec Communications, Inc.
22773 1825 1697 Cox Communications, Inc.
7545 1726 1640 TPG Internet Pty Ltd
8402 1595 1579 Corbina telecom
4766 2880 1522 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
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
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.
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 /9:14 /10:29 /11:84 /12:238
/13:475 /14:842 /15:1533 /16:12359 /17:6396 /18:10814
/19:20938 /20:30064 /21:31755 /22:41926 /23:39759 /24:221363
/25:1294 /26:1518 /27:887 /28:170 /29:62 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2808 3446 Windstream Communications Inc
18566 2036 2086 Covad Communications
6389 1856 3359 bellsouth.net, inc.
30036 1378 1446 Mediacom Communications Corp
8402 1323 1595 Corbina telecom
22773 1175 1825 Cox Communications, Inc.
15557 1162 1218 LDCOM NETWORKS
11492 1160 1197 Cable One
1785 1041 1946 PaeTec Communications, Inc.
6503 973 1418 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:555 2:787 3:1 4:13 5:364 6:3
8:438 12:2003 13:1 14:648 15:11 16:3
17:6 20:27 23:205 24:1804 27:1323 31:1042
32:56 33:2 34:2 36:8 37:741 38:825
39:1 40:133 41:2864 42:156 44:3 46:1585
47:2 49:468 50:593 52:13 54:17 55:7
56:1 57:28 58:989 59:523 60:238 61:1278
62:993 63:2009 64:4270 65:2247 66:4518 67:2044
68:1157 69:3208 70:988 71:525 72:1854 74:2572
75:491 76:330 77:951 78:914 79:488 80:1276
81:958 82:632 83:533 84:624 85:1117 86:787
87:928 88:350 89:1814 90:301 91:5130 92:589
93:1488 94:1585 95:1271 96:414 97:317 98:898
99:39 100:23 101:262 103:1433 105:512 106:116
107:194 108:431 109:1909 110:796 111:954 112:431
113:683 114:648 115:847 116:887 117:729 118:935
119:1246 120:301 121:687 122:1656 123:1184 124:1355
125:1265 128:518 129:185 130:283 131:628 132:299
133:22 134:246 135:61 136:218 137:239 138:338
139:184 140:502 141:274 142:483 143:360 144:487
145:81 146:513 147:256 148:756 149:300 150:157
151:168 152:457 153:177 154:20 155:415 156:222
157:382 158:179 159:640 160:348 161:409 162:404
163:189 164:686 165:416 166:561 167:536 168:956
169:125 170:905 171:145 172:5 173:1713 174:630
175:440 176:604 177:1061 178:1691 180:1346 181:127
182:1037 183:223 184:587 186:2145 187:1076 188:1473
189:1545 190:6180 192:6022 193:5458 194:4229 195:3268
196:1222 197:204 198:3741 199:4938 200:5971 201:1970
202:8716 203:8672 204:4410 205:2532 206:2830 207:2871
208:4046 209:3643 210:2806 211:1552 212:2019 213:1808
214:879 215:85 216:5135 217:1549 218:548 219:316
220:1239 221:530 222:339 223:341
End of report