Routing Table Report 04:00 +10GMT Fri 23 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 325798
Prefixes after maximum aggregation: 150087
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 159319
Total ASes present in the Internet Routing Table: 34401
Prefixes per ASN: 9.47
Origin-only ASes present in the Internet Routing Table: 29876
Origin ASes announcing only one prefix: 14469
Transit ASes present in the Internet Routing Table: 4525
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 297
Unregistered ASNs in the Routing Table: 115
Number of 32-bit ASNs allocated by the RIRs: 698
Prefixes from 32-bit ASNs in the Routing Table: 851
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2277427712
Equivalent to 135 /8s, 190 /16s and 202 /24s
Percentage of available address space announced: 61.4
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.9
Total number of prefixes smaller than registry allocations: 155117
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78985
Total APNIC prefixes after maximum aggregation: 27168
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 75882
Unique aggregates announced from the APNIC address blocks: 33518
APNIC Region origin ASes present in the Internet Routing Table: 4123
APNIC Prefixes per ASN: 18.40
APNIC Region origin ASes announcing only one prefix: 1140
APNIC Region transit ASes present in the Internet Routing Table: 636
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 532433184
Equivalent to 31 /8s, 188 /16s and 73 /24s
Percentage of available APNIC address space announced: 79.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 58/8, 59/8, 60/8,
61/8, 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, 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: 134600
Total ARIN prefixes after maximum aggregation: 69513
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107406
Unique aggregates announced from the ARIN address blocks: 42005
ARIN Region origin ASes present in the Internet Routing Table: 13799
ARIN Prefixes per ASN: 7.78
ARIN Region origin ASes announcing only one prefix: 5280
ARIN Region transit ASes present in the Internet Routing Table: 1358
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729812768
Equivalent to 43 /8s, 128 /16s and 15 /24s
Percentage of available ARIN address space announced: 62.1
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, 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, 54/8,
55/8, 56/8, 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, 107/8,
108/8, 173/8, 174/8, 184/8, 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: 74922
Total RIPE prefixes after maximum aggregation: 43418
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 68090
Unique aggregates announced from the RIPE address blocks: 44467
RIPE Region origin ASes present in the Internet Routing Table: 14615
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7512
RIPE Region transit ASes present in the Internet Routing Table: 2177
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433270400
Equivalent to 25 /8s, 211 /16s and 46 /24s
Percentage of available RIPE address space announced: 76.0
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 31/8, 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, 176/8, 178/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 28938
Total LACNIC prefixes after maximum aggregation: 6977
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 27567
Unique aggregates announced from the LACNIC address blocks: 14518
LACNIC Region origin ASes present in the Internet Routing Table: 1313
LACNIC Prefixes per ASN: 21.00
LACNIC Region origin ASes announcing only one prefix: 417
LACNIC Region transit ASes present in the Internet Routing Table: 229
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75869760
Equivalent to 4 /8s, 133 /16s and 174 /24s
Percentage of available LACNIC address space announced: 56.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7254
Total AfriNIC prefixes after maximum aggregation: 1862
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 5573
Unique aggregates announced from the AfriNIC address blocks: 1756
AfriNIC Region origin ASes present in the Internet Routing Table: 380
AfriNIC Prefixes per ASN: 14.67
AfriNIC Region origin ASes announcing only one prefix: 120
AfriNIC Region transit ASes present in the Internet Routing Table: 81
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19897600
Equivalent to 1 /8s, 47 /16s and 157 /24s
Percentage of available AfriNIC address space announced: 59.3
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1857 8409 489 Korea Telecom (KIX)
4755 1472 297 161 TATA Communications formerly
7545 1379 232 105 TPG Internet Pty Ltd
17488 1334 147 128 Hathway IP Over Cable Interne
17974 1171 285 52 PT TELEKOMUNIKASI INDONESIA
9583 1002 74 486 Sify Limited
24560 985 304 179 Bharti Airtel Ltd., Telemedia
4808 828 1575 219 CNCGROUP IP network: China169
9829 813 685 32 BSNL National Internet Backbo
4134 783 21740 411 CHINANET-BACKBONE
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3889 3718 287 bellsouth.net, inc.
4323 2722 1112 394 Time Warner Telecom
19262 1938 4567 278 Verizon Global Networks
1785 1780 698 129 PaeTec Communications, Inc.
20115 1494 1523 654 Charter Communications
7018 1479 5734 962 AT&T WorldNet Services
2386 1285 566 909 AT&T Data Communications Serv
6478 1256 252 197 AT&T Worldnet Services
22773 1173 2858 61 Cox Communications, Inc.
3356 1159 10878 403 Level 3 Communications, LLC
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
35805 653 56 6 United Telecom of Georgia
9198 497 202 13 Kazakhtelecom Data Network Ad
3292 451 2027 392 TDC Tele Danmark
30890 441 111 206 Evolva Telecom
702 413 1869 325 UUNET - Commercial IP service
8866 403 117 18 Bulgarian Telecommunication C
8551 401 353 46 Bezeq International
3320 375 7329 326 Deutsche Telekom AG
3301 371 1414 326 TeliaNet Sweden
34984 363 89 183 BILISIM TELEKOM
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1461 3049 248 UniNet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1012 815 97 NET Servicos de Comunicao S.A
7303 738 392 91 Telecom Argentina Stet-France
6503 700 177 218 AVANTEL, S.A.
22047 553 310 15 VTR PUNTO NET S.A.
14420 499 32 72 CORPORACION NACIONAL DE TELEC
3816 492 212 92 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 449 99 76 Servicios Alestra S.A de C.V
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1107 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 651 279 185 Etisalat MISR
3741 269 898 231 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 183 19 10 Ci Telecom Autonomous system
16637 166 440 95 MTN Network Solutions
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3889 3718 287 bellsouth.net, inc.
4323 2722 1112 394 Time Warner Telecom
19262 1938 4567 278 Verizon Global Networks
4766 1857 8409 489 Korea Telecom (KIX)
1785 1780 698 129 PaeTec Communications, Inc.
20115 1494 1523 654 Charter Communications
7018 1479 5734 962 AT&T WorldNet Services
4755 1472 297 161 TATA Communications formerly
8151 1461 3049 248 UniNet S.A. de C.V.
7545 1379 232 105 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2722 2328 Time Warner Telecom
19262 1938 1660 Verizon Global Networks
1785 1780 1651 PaeTec Communications, Inc.
4766 1857 1368 Korea Telecom (KIX)
4755 1472 1311 TATA Communications formerly
7545 1379 1274 TPG Internet Pty Ltd
8151 1461 1213 UniNet S.A. de C.V.
17488 1334 1206 Hathway IP Over Cable Interne
17974 1171 1119 PT TELEKOMUNIKASI INDONESIA
22773 1173 1112 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:68 /12:198
/13:408 /14:711 /15:1297 /16:11182 /17:5327 /18:9161
/19:18503 /20:23020 /21:23087 /22:30022 /23:29636 /24:169954
/25:1019 /26:1303 /27:758 /28:28 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2489 3889 bellsouth.net, inc.
4766 1487 1857 Korea Telecom (KIX)
4323 1393 2722 Time Warner Telecom
1785 1242 1780 PaeTec Communications, Inc.
17488 1078 1334 Hathway IP Over Cable Interne
18566 1069 1088 Covad Communications
11492 1066 1157 Cable One
8452 1000 1107 TEDATA
10620 988 1072 TVCABLE BOGOTA
19262 912 1938 Verizon Global Networks
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:11 2:2 4:13 8:288 12:2019 13:7
14:1 15:22 16:3 17:8 20:6 24:1461
27:251 31:1 32:49 33:12 38:692 40:98
41:2422 44:3 46:2 47:17 52:9 55:4
56:2 57:28 58:759 59:504 60:462 61:1068
62:1037 63:1971 64:3709 65:2347 66:4049 67:1822
68:1095 69:2713 70:708 71:455 72:1946 73:2
74:2262 75:250 76:317 77:900 78:620 79:433
80:975 81:766 82:491 83:436 84:682 85:1043
86:457 87:682 88:340 89:1563 90:95 91:2885
92:505 93:987 94:1403 95:652 96:366 97:211
98:614 99:33 108:105 109:581 110:390 111:532
112:287 113:326 114:436 115:571 116:1080 117:654
118:481 119:881 120:136 121:727 122:1508 123:946
124:1114 125:1313 128:227 129:198 130:195 131:553
132:247 133:17 134:195 135:45 136:242 137:146
138:265 139:104 140:483 141:196 142:338 143:374
144:465 145:50 146:449 147:167 148:664 149:300
150:156 151:230 152:295 153:170 154:2 155:357
156:159 157:296 158:110 159:357 160:317 161:183
162:255 163:174 164:405 165:365 166:460 167:417
168:647 169:157 170:710 171:59 172:2 173:950
174:496 175:152 176:1 178:314 180:467 182:156
183:240 184:111 186:519 187:394 188:1009 189:766
190:3806 192:5740 193:4717 194:3403 195:2794 196:1184
198:3573 199:3482 200:5333 201:1565 202:7951 203:8289
204:4075 205:2329 206:2489 207:3115 208:3868 209:3464
210:2542 211:1274 212:1712 213:1665 214:640 215:69
216:4719 217:1525 218:499 219:378 220:1147 221:402
222:312 223:1
End of report
