Routing Table Report 04:00 +10GMT Wed 15 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 397898
Prefixes after maximum aggregation: 169668
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 192459
Total ASes present in the Internet Routing Table: 40123
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32764
Origin ASes announcing only one prefix: 15531
Transit ASes present in the Internet Routing Table: 5399
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 330
Unregistered ASNs in the Routing Table: 129
Number of 32-bit ASNs allocated by the RIRs: 2278
Number of 32-bit ASNs visible in the Routing Table: 1960
Prefixes from 32-bit ASNs in the Routing Table: 4702
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 186
Number of addresses announced to Internet: 2514125072
Equivalent to 149 /8s, 218 /16s and 129 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 169043
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98081
Total APNIC prefixes after maximum aggregation: 31722
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 94386
Unique aggregates announced from the APNIC address blocks: 39224
APNIC Region origin ASes present in the Internet Routing Table: 4655
APNIC Prefixes per ASN: 20.28
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 737
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 145
Number of APNIC addresses announced to Internet: 635892384
Equivalent to 37 /8s, 230 /16s and 242 /24s
Percentage of available APNIC address space announced: 80.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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, 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: 148362
Total ARIN prefixes after maximum aggregation: 75313
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120301
Unique aggregates announced from the ARIN address blocks: 49451
ARIN Region origin ASes present in the Internet Routing Table: 14914
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5693
ARIN Region transit ASes present in the Internet Routing Table: 1573
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804592320
Equivalent to 47 /8s, 245 /16s and 26 /24s
Percentage of available ARIN address space announced: 63.9
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, 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: 99077
Total RIPE prefixes after maximum aggregation: 52419
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 90855
Unique aggregates announced from the RIPE address blocks: 56117
RIPE Region origin ASes present in the Internet Routing Table: 16319
RIPE Prefixes per ASN: 5.57
RIPE Region origin ASes announcing only one prefix: 7996
RIPE Region transit ASes present in the Internet Routing Table: 2608
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1352
Number of RIPE addresses announced to Internet: 500267272
Equivalent to 29 /8s, 209 /16s and 121 /24s
Percentage of available RIPE address space announced: 80.6
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
196608-198655
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 38562
Total LACNIC prefixes after maximum aggregation: 8062
LACNIC Deaggregation factor: 4.78
Prefixes being announced from the LACNIC address blocks: 38189
Unique aggregates announced from the LACNIC address blocks: 19526
LACNIC Region origin ASes present in the Internet Routing Table: 1570
LACNIC Prefixes per ASN: 24.32
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 289
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 444
Number of LACNIC addresses announced to Internet: 96552584
Equivalent to 5 /8s, 193 /16s and 70 /24s
Percentage of available LACNIC address space announced: 63.9
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8936
Total AfriNIC prefixes after maximum aggregation: 2072
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 6949
Unique aggregates announced from the AfriNIC address blocks: 2119
AfriNIC Region origin ASes present in the Internet Routing Table: 515
AfriNIC Prefixes per ASN: 13.49
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 112
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: 4
Number of AfriNIC addresses announced to Internet: 30919680
Equivalent to 1 /8s, 215 /16s and 204 /24s
Percentage of available AfriNIC address space announced: 46.1
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2475 11102 982 Korea Telecom (KIX)
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1643 303 86 TPG Internet Pty Ltd
4755 1543 384 155 TATA Communications formerly
7552 1409 1064 7 Vietel Corporation
9829 1173 989 28 BSNL National Internet Backbo
9583 1125 84 482 Sify Limited
4808 1113 2096 299 CNCGROUP IP network: China169
24560 1014 385 167 Bharti Airtel Ltd., Telemedia
18101 950 130 155 Reliance Infocom Ltd Internet
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
6389 3441 3807 201 bellsouth.net, inc.
7029 3390 1014 159 Windstream Communications Inc
18566 2091 382 177 Covad Communications
1785 1869 680 125 PaeTec Communications, Inc.
20115 1626 1550 631 Charter Communications
4323 1611 1062 386 Time Warner Telecom
22773 1518 2910 110 Cox Communications, Inc.
30036 1391 246 751 Mediacom Communications Corp
19262 1388 4703 397 Verizon Global Networks
7018 1307 6995 851 AT&T WorldNet Services
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 1760 480 15 Corbina telecom
2118 1382 97 13 EUnet/RELCOM Autonomous Syste
15557 1095 2161 63 LDCOM NETWORKS
34984 651 188 173 BILISIM TELEKOM
6830 644 1927 413 UPC Distribution Services
20940 608 195 470 Akamai Technologies European
12479 601 643 54 Uni2 Autonomous System
8551 575 360 81 Bezeq International
31148 538 37 9 FreeNet ISP
3320 533 8450 399 Deutsche Telekom AG
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 1751 324 162 TVCABLE BOGOTA
28573 1653 1085 69 NET Servicos de Comunicao S.A
8151 1474 3003 342 UniNet S.A. de C.V.
7303 1263 758 182 Telecom Argentina Stet-France
26615 897 672 33 Tim Brasil S.A.
27947 658 67 107 Telconet S.A
11172 628 91 72 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
6503 553 418 66 AVANTEL, S.A.
3816 552 237 91 Empresa Nacional de Telecomun
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 1244 958 13 TEDATA
24863 830 156 44 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 276 939 229 The Internet Solution
33776 237 13 14 Starcomms Nigeria Limited
15706 222 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
16637 163 664 82 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
6389 3441 3807 201 bellsouth.net, inc.
7029 3390 1014 159 Windstream Communications Inc
4766 2475 11102 982 Korea Telecom (KIX)
18566 2091 382 177 Covad Communications
1785 1869 680 125 PaeTec Communications, Inc.
8402 1760 480 15 Corbina telecom
10620 1751 324 162 TVCABLE BOGOTA
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1653 1085 69 NET Servicos de Comunicao S.A
7545 1643 303 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
7029 3390 3231 Windstream Communications Inc
18566 2091 1914 Covad Communications
8402 1760 1745 Corbina telecom
1785 1869 1744 PaeTec Communications, Inc.
17974 1729 1693 PT TELEKOMUNIKASI INDONESIA
10620 1751 1589 TVCABLE BOGOTA
28573 1653 1584 NET Servicos de Comunicao S.A
7545 1643 1557 TPG Internet Pty Ltd
4766 2475 1493 Korea Telecom (KIX)
22773 1518 1408 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
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
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
37.98.208.0/20 8374 Polkomtel S.A.
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 /10:27 /11:80 /12:231
/13:456 /14:816 /15:1469 /16:12133 /17:6202 /18:10326
/19:20471 /20:28298 /21:29241 /22:39890 /23:37049 /24:207508
/25:1192 /26:1442 /27:776 /28:169 /29:59 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3046 3390 Windstream Communications Inc
6389 2111 3441 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1739 1760 Corbina telecom
10620 1645 1751 TVCABLE BOGOTA
30036 1348 1391 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1065 1869 PaeTec Communications, Inc.
8452 1053 1244 TEDATA
15557 1045 1095 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:507 2:730 4:14 5:1 6:3 8:383
12:1962 13:1 14:597 15:11 16:3 17:7
20:9 23:134 24:1725 27:1194 31:954 32:65
33:2 34:2 36:9 37:181 38:780 40:115
41:3140 42:95 43:1 44:3 46:1280 47:3
49:330 50:518 52:13 54:2 55:9 56:3
57:38 58:965 59:494 60:344 61:1196 62:943
63:2007 64:4140 65:2285 66:4431 67:2033 68:1176
69:3162 70:930 71:412 72:1794 74:2652 75:463
76:322 77:978 78:939 79:512 80:1231 81:880
82:573 83:526 84:582 85:1167 86:742 87:916
88:334 89:1549 90:270 91:4478 92:552 93:1333
94:1356 95:1085 96:418 97:309 98:820 99:38
100:4 101:146 103:776 106:65 107:153 108:151
109:1489 110:696 111:850 112:436 113:529 114:604
115:765 116:862 117:724 118:898 119:1233 120:361
121:682 122:1622 123:1066 124:1333 125:1368 128:537
129:190 130:215 131:580 132:167 133:21 134:233
135:60 136:216 137:153 138:286 139:145 140:484
141:262 142:389 143:412 144:518 145:70 146:482
147:241 148:730 149:303 150:163 151:196 152:447
153:170 154:7 155:399 156:211 157:368 158:158
159:516 160:322 161:245 162:341 163:188 164:531
165:389 166:557 167:455 168:758 169:147 170:834
171:114 172:2 173:1731 174:601 175:418 176:515
177:483 178:1250 180:1176 181:65 182:719 183:278
184:424 185:1 186:2056 187:846 188:1033 189:1172
190:5457 192:5979 193:5515 194:4339 195:3404 196:1291
197:166 198:3608 199:4374 200:5715 201:1734 202:8438
203:8634 204:4360 205:2442 206:2746 207:2797 208:4069
209:3559 210:2755 211:1477 212:2045 213:1849 214:861
215:102 216:5029 217:1475 218:550 219:340 220:1247
221:558 222:325 223:314
End of report