Routing Table Report 04:00 +10GMT Mon 13 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 421249
Prefixes after maximum aggregation: 177200
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 203598
Total ASes present in the Internet Routing Table: 41699
Prefixes per ASN: 10.10
Origin-only ASes present in the Internet Routing Table: 33386
Origin ASes announcing only one prefix: 15675
Transit ASes present in the Internet Routing Table: 5587
Transit-only ASes present in the Internet Routing Table: 136
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: 399
Unregistered ASNs in the Routing Table: 157
Number of 32-bit ASNs allocated by the RIRs: 3108
Number of 32-bit ASNs visible in the Routing Table: 2726
Prefixes from 32-bit ASNs in the Routing Table: 7011
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2587915916
Equivalent to 154 /8s, 64 /16s and 118 /24s
Percentage of available address space announced: 69.8
Percentage of allocated address space announced: 69.9
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: 148358
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101552
Total APNIC prefixes after maximum aggregation: 32731
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 102068
Unique aggregates announced from the APNIC address blocks: 41924
APNIC Region origin ASes present in the Internet Routing Table: 4665
APNIC Prefixes per ASN: 21.88
APNIC Region origin ASes announcing only one prefix: 1217
APNIC Region transit ASes present in the Internet Routing Table: 742
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: 271
Number of APNIC addresses announced to Internet: 707530880
Equivalent to 42 /8s, 44 /16s and 16 /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: 153580
Total ARIN prefixes after maximum aggregation: 77895
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154579
Unique aggregates announced from the ARIN address blocks: 68721
ARIN Region origin ASes present in the Internet Routing Table: 15218
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5760
ARIN Region transit ASes present in the Internet Routing Table: 1606
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: 1083904128
Equivalent to 64 /8s, 155 /16s and 16 /24s
Percentage of available ARIN address space announced: 57.3
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: 106364
Total RIPE prefixes after maximum aggregation: 55923
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108593
Unique aggregates announced from the RIPE address blocks: 67388
RIPE Region origin ASes present in the Internet Routing Table: 16743
RIPE Prefixes per ASN: 6.49
RIPE Region origin ASes announcing only one prefix: 8105
RIPE Region transit ASes present in the Internet Routing Table: 2713
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: 1782
Number of RIPE addresses announced to Internet: 641228516
Equivalent to 38 /8s, 56 /16s and 94 /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: 42921
Total LACNIC prefixes after maximum aggregation: 8409
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 45716
Unique aggregates announced from the LACNIC address blocks: 22031
LACNIC Region origin ASes present in the Internet Routing Table: 1622
LACNIC Prefixes per ASN: 28.18
LACNIC Region origin ASes announcing only one prefix: 420
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: 650
Number of LACNIC addresses announced to Internet: 113457064
Equivalent to 6 /8s, 195 /16s and 55 /24s
Percentage of available LACNIC address space announced: 67.6
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: 9679
Total AfriNIC prefixes after maximum aggregation: 2188
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 10131
Unique aggregates announced from the AfriNIC address blocks: 3400
AfriNIC Region origin ASes present in the Internet Routing Table: 556
AfriNIC Prefixes per ASN: 18.22
AfriNIC Region origin ASes announcing only one prefix: 173
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: 41495808
Equivalent to 2 /8s, 121 /16s and 45 /24s
Percentage of available AfriNIC address space announced: 41.2
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 2760 11117 1248 Korea Telecom (KIX)
17974 2325 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1714 301 87 TPG Internet Pty Ltd
4755 1606 386 158 TATA Communications formerly
9829 1309 1084 31 BSNL National Internet Backbo
9583 1206 90 534 Sify Limited
4808 1123 2050 321 CNCGROUP IP network: China169
7552 1120 1062 11 Vietel Corporation
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 997 294 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 3440 990 156 Windstream Communications Inc
6389 3339 3772 191 bellsouth.net, inc.
18566 2088 382 180 Covad Communications
1785 1936 680 128 PaeTec Communications, Inc.
22773 1700 2914 125 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1576 1027 386 Time Warner Telecom
30036 1437 280 786 Mediacom Communications Corp
7018 1236 10022 806 AT&T WorldNet Services
11492 1191 216 351 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 1507 544 16 Corbina telecom
15557 1215 2247 55 LDCOM NETWORKS
12479 824 762 86 Uni2 Autonomous System
34984 744 189 177 BILISIM TELEKOM
6830 715 2311 446 UPC Distribution Services
20940 710 230 554 Akamai Technologies European
31148 699 37 9 FreeNet ISP
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 669 100 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 2077 353 220 TVCABLE BOGOTA
28573 2027 1228 70 NET Servicos de Comunicao S.A
7303 1560 1032 202 Telecom Argentina Stet-France
6503 1527 419 67 AVANTEL, S.A.
8151 1464 3044 346 UniNet S.A. de C.V.
6458 882 81 15 GUATEL
3816 598 253 95 Empresa Nacional de Telecomun
11172 590 85 69 Servicios Alestra S.A de C.V
22047 580 326 15 VTR PUNTO NET S.A.
14420 569 81 100 CORPORACION NACIONAL DE TELEC
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 913 958 13 TEDATA
24863 865 274 33 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 515 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
33776 227 12 19 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
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 3440 990 156 Windstream Communications Inc
6389 3339 3772 191 bellsouth.net, inc.
4766 2760 11117 1248 Korea Telecom (KIX)
17974 2325 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 180 Covad Communications
10620 2077 353 220 TVCABLE BOGOTA
28573 2027 1228 70 NET Servicos de Comunicao S.A
1785 1936 680 128 PaeTec Communications, Inc.
7545 1714 301 87 TPG Internet Pty Ltd
22773 1700 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 3339 3148 bellsouth.net, inc.
17974 2325 2271 PT TELEKOMUNIKASI INDONESIA
28573 2027 1957 NET Servicos de Comunicao S.A
18566 2088 1908 Covad Communications
10620 2077 1857 TVCABLE BOGOTA
1785 1936 1808 PaeTec Communications, Inc.
7545 1714 1627 TPG Internet Pty Ltd
22773 1700 1575 Cox Communications, Inc.
4766 2760 1512 Korea Telecom (KIX)
8402 1507 1491 Corbina telecom
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
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 5.149.71.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.74.0/23 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.94.0/24 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
/13:474 /14:849 /15:1531 /16:12365 /17:6385 /18:10760
/19:20969 /20:30073 /21:31918 /22:41785 /23:39657 /24:220195
/25:1275 /26:1502 /27:858 /28:165 /29:62 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2802 3440 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1834 3339 bellsouth.net, inc.
30036 1373 1437 Mediacom Communications Corp
8402 1241 1507 Corbina telecom
15557 1159 1215 LDCOM NETWORKS
11492 1154 1191 Cable One
22773 1124 1700 Cox Communications, Inc.
6503 1051 1527 AVANTEL, S.A.
1785 1038 1936 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 2:736 3:1 4:13 5:336 6:3
8:439 12:2013 13:1 14:630 15:11 16:3
17:6 20:26 23:201 24:1806 27:1320 31:1019
32:56 33:2 34:2 36:8 37:727 38:816
39:1 40:134 41:2887 42:154 44:3 46:1558
47:2 49:432 50:582 52:13 54:14 55:3
57:31 58:981 59:518 60:238 61:1286 62:988
63:2021 64:4243 65:2248 66:4534 67:2056 68:1155
69:3211 70:988 71:518 72:1868 74:2602 75:489
76:331 77:956 78:904 79:499 80:1279 81:953
82:636 83:540 84:618 85:1137 86:800 87:935
88:337 89:1803 90:305 91:5100 92:591 93:1462
94:1585 95:1261 96:410 97:317 98:899 99:39
100:22 101:246 103:1284 105:512 106:112 107:193
108:424 109:1914 110:792 111:930 112:428 113:667
114:638 115:844 116:914 117:710 118:920 119:1218
120:351 121:693 122:1641 123:1167 124:1342 125:1266
128:519 129:183 130:268 131:634 132:299 133:22
134:245 135:61 136:215 137:238 138:347 139:185
140:498 141:267 142:450 143:373 144:495 145:78
146:509 147:265 148:769 149:319 150:154 151:186
152:455 153:175 154:20 155:405 156:222 157:380
158:189 159:635 160:346 161:408 162:391 163:188
164:682 165:410 166:572 167:530 168:960 169:126
170:908 171:145 172:5 173:1739 174:625 175:421
176:594 177:977 178:1683 180:1316 181:117 182:1026
183:233 184:576 186:1998 187:1123 188:1430 189:1583
190:6145 192:6015 193:5451 194:4231 195:3260 196:1249
197:200 198:3698 199:4903 200:5966 201:1943 202:8599
203:8622 204:4397 205:2531 206:2816 207:2797 208:4043
209:3633 210:2762 211:1562 212:2017 213:1792 214:871
215:86 216:5098 217:1544 218:562 219:315 220:1238
221:569 222:336 223:368
End of report