Routing Table Report 04:00 +10GMT Tue 14 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 422261
Prefixes after maximum aggregation: 177350
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 204027
Total ASes present in the Internet Routing Table: 41783
Prefixes per ASN: 10.11
Origin-only ASes present in the Internet Routing Table: 33448
Origin ASes announcing only one prefix: 15703
Transit ASes present in the Internet Routing Table: 5603
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: 402
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 3109
Number of 32-bit ASNs visible in the Routing Table: 2732
Prefixes from 32-bit ASNs in the Routing Table: 7041
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2588206476
Equivalent to 154 /8s, 68 /16s and 229 /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: 148704
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102085
Total APNIC prefixes after maximum aggregation: 32873
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102635
Unique aggregates announced from the APNIC address blocks: 42276
APNIC Region origin ASes present in the Internet Routing Table: 4735
APNIC Prefixes per ASN: 21.68
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 762
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: 283
Number of APNIC addresses announced to Internet: 707696000
Equivalent to 42 /8s, 46 /16s and 149 /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: 153865
Total ARIN prefixes after maximum aggregation: 77891
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 154867
Unique aggregates announced from the ARIN address blocks: 68727
ARIN Region origin ASes present in the Internet Routing Table: 15219
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5756
ARIN Region transit ASes present in the Internet Routing Table: 1604
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: 1083984000
Equivalent to 64 /8s, 156 /16s and 72 /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: 106376
Total RIPE prefixes after maximum aggregation: 55958
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108596
Unique aggregates announced from the RIPE address blocks: 67434
RIPE Region origin ASes present in the Internet Routing Table: 16750
RIPE Prefixes per ASN: 6.48
RIPE Region origin ASes announcing only one prefix: 8110
RIPE Region transit ASes present in the Internet Routing Table: 2709
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: 1781
Number of RIPE addresses announced to Internet: 641243108
Equivalent to 38 /8s, 56 /16s and 151 /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: 43070
Total LACNIC prefixes after maximum aggregation: 8386
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 45870
Unique aggregates announced from the LACNIC address blocks: 22047
LACNIC Region origin ASes present in the Internet Routing Table: 1623
LACNIC Prefixes per ASN: 28.26
LACNIC Region origin ASes announcing only one prefix: 423
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: 645
Number of LACNIC addresses announced to Internet: 113400744
Equivalent to 6 /8s, 194 /16s and 91 /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: 9680
Total AfriNIC prefixes after maximum aggregation: 2188
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 10130
Unique aggregates announced from the AfriNIC address blocks: 3408
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.25
AfriNIC Region origin ASes announcing only one prefix: 172
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: 41517568
Equivalent to 2 /8s, 121 /16s and 130 /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 2765 11117 1251 Korea Telecom (KIX)
17974 2336 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1714 301 87 TPG Internet Pty Ltd
4755 1607 386 158 TATA Communications formerly
9829 1311 1084 31 BSNL National Internet Backbo
9583 1206 90 534 Sify Limited
4808 1123 2050 321 CNCGROUP IP network: China169
7552 1110 1062 11 Vietel Corporation
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 996 294 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 3670 990 156 Windstream Communications Inc
6389 3375 3773 193 bellsouth.net, inc.
18566 2088 382 180 Covad Communications
1785 1938 680 128 PaeTec Communications, Inc.
22773 1700 2914 125 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1575 1026 385 Time Warner Telecom
30036 1437 280 786 Mediacom Communications Corp
7018 1238 10022 808 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 1558 544 16 Corbina telecom
15557 1215 2247 55 LDCOM NETWORKS
12479 824 762 86 Uni2 Autonomous System
34984 747 189 175 BILISIM TELEKOM
6830 715 2311 446 UPC Distribution Services
20940 715 232 556 Akamai Technologies European
31148 699 37 9 FreeNet ISP
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 668 100 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 2043 1232 55 NET Servicos de Comunicao S.A
7303 1560 1032 202 Telecom Argentina Stet-France
6503 1528 419 67 AVANTEL, S.A.
8151 1467 3044 346 UniNet S.A. de C.V.
6458 882 81 15 GUATEL
27947 715 74 95 Telconet S.A
3816 599 254 92 Empresa Nacional de Telecomun
11172 590 85 69 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 906 958 13 TEDATA
24863 864 274 33 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 515 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 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 3670 990 156 Windstream Communications Inc
6389 3375 3773 193 bellsouth.net, inc.
4766 2765 11117 1251 Korea Telecom (KIX)
17974 2336 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 180 Covad Communications
10620 2077 353 220 TVCABLE BOGOTA
28573 2043 1232 55 NET Servicos de Comunicao S.A
1785 1938 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 3375 3182 bellsouth.net, inc.
17974 2336 2282 PT TELEKOMUNIKASI INDONESIA
28573 2043 1988 NET Servicos de Comunicao S.A
18566 2088 1908 Covad Communications
10620 2077 1857 TVCABLE BOGOTA
1785 1938 1810 PaeTec Communications, Inc.
7545 1714 1627 TPG Internet Pty Ltd
22773 1700 1575 Cox Communications, Inc.
8402 1558 1542 Corbina telecom
4766 2765 1514 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
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.
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.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.191.0.0/16 31721 Azercell Telecom AS
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 /8:20 /9:14 /10:29 /11:84 /12:237
/13:473 /14:845 /15:1527 /16:12356 /17:6359 /18:10762
/19:20964 /20:30046 /21:31930 /22:41850 /23:39773 /24:221082
/25:1275 /26:1503 /27:860 /28:168 /29:62 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2941 3670 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1861 3375 bellsouth.net, inc.
30036 1373 1437 Mediacom Communications Corp
8402 1285 1558 Corbina telecom
15557 1159 1215 LDCOM NETWORKS
11492 1154 1191 Cable One
22773 1124 1700 Cox Communications, Inc.
6503 1051 1528 AVANTEL, S.A.
1785 1040 1938 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:547 2:778 3:1 4:13 5:338 6:3
8:438 12:2011 13:1 14:640 15:11 16:3
17:6 20:26 23:201 24:1806 27:1334 31:1026
32:56 33:2 34:2 36:7 37:729 38:818
39:1 40:134 41:2891 42:154 44:3 46:1558
47:2 49:435 50:584 52:13 54:14 55:4
57:31 58:988 59:516 60:238 61:1288 62:989
63:2022 64:4243 65:2251 66:4537 67:2055 68:1158
69:3245 70:990 71:521 72:1866 74:2604 75:489
76:330 77:956 78:904 79:502 80:1278 81:954
82:632 83:540 84:620 85:1137 86:797 87:935
88:336 89:1804 90:305 91:5105 92:590 93:1462
94:1576 95:1266 96:410 97:317 98:907 99:39
100:22 101:254 103:1385 105:512 106:112 107:193
108:424 109:1913 110:789 111:956 112:434 113:670
114:649 115:843 116:925 117:727 118:944 119:1244
120:361 121:699 122:1656 123:1168 124:1351 125:1265
128:526 129:183 130:268 131:633 132:293 133:22
134:246 135:61 136:216 137:239 138:341 139:200
140:498 141:266 142:451 143:370 144:496 145:78
146:510 147:256 148:754 149:316 150:154 151:186
152:457 153:175 154:20 155:405 156:222 157:381
158:188 159:635 160:348 161:408 162:424 163:189
164:683 165:410 166:575 167:531 168:954 169:126
170:909 171:145 172:5 173:1742 174:628 175:434
176:594 177:982 178:1685 180:1334 181:117 182:1033
183:234 184:575 186:2077 187:1124 188:1445 189:1583
190:6134 192:6015 193:5450 194:4235 195:3259 196:1255
197:200 198:3700 199:4903 200:6028 201:1964 202:8674
203:8660 204:4398 205:2540 206:2817 207:2822 208:4049
209:3634 210:2778 211:1563 212:2019 213:1802 214:877
215:86 216:5118 217:1543 218:563 219:314 220:1241
221:573 222:336 223:373
End of report