Routing Table Report 04:00 +10GMT Thu 16 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 422280
Prefixes after maximum aggregation: 177401
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 204195
Total ASes present in the Internet Routing Table: 41818
Prefixes per ASN: 10.10
Origin-only ASes present in the Internet Routing Table: 33463
Origin ASes announcing only one prefix: 15703
Transit ASes present in the Internet Routing Table: 5608
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: 467
Unregistered ASNs in the Routing Table: 170
Number of 32-bit ASNs allocated by the RIRs: 3115
Number of 32-bit ASNs visible in the Routing Table: 2747
Prefixes from 32-bit ASNs in the Routing Table: 7106
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 168
Number of addresses announced to Internet: 2590701708
Equivalent to 154 /8s, 106 /16s and 248 /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: 93.2
Total number of prefixes smaller than registry allocations: 148646
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102050
Total APNIC prefixes after maximum aggregation: 32778
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102618
Unique aggregates announced from the APNIC address blocks: 42273
APNIC Region origin ASes present in the Internet Routing Table: 4739
APNIC Prefixes per ASN: 21.65
APNIC Region origin ASes announcing only one prefix: 1241
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: 708248704
Equivalent to 42 /8s, 55 /16s and 4 /24s
Percentage of available APNIC address space announced: 82.8
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: 153663
Total ARIN prefixes after maximum aggregation: 77902
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154681
Unique aggregates announced from the ARIN address blocks: 68742
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: 5755
ARIN Region transit ASes present in the Internet Routing Table: 1601
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: 1084014976
Equivalent to 64 /8s, 156 /16s and 193 /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: 106512
Total RIPE prefixes after maximum aggregation: 56034
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108763
Unique aggregates announced from the RIPE address blocks: 67523
RIPE Region origin ASes present in the Internet Routing Table: 16756
RIPE Prefixes per ASN: 6.49
RIPE Region origin ASes announcing only one prefix: 8109
RIPE Region transit ASes present in the Internet Routing Table: 2714
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: 1790
Number of RIPE addresses announced to Internet: 641955812
Equivalent to 38 /8s, 67 /16s and 119 /24s
Percentage of available RIPE address space announced: 93.3
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: 43082
Total LACNIC prefixes after maximum aggregation: 8392
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 45932
Unique aggregates announced from the LACNIC address blocks: 22096
LACNIC Region origin ASes present in the Internet Routing Table: 1627
LACNIC Prefixes per ASN: 28.23
LACNIC Region origin ASes announcing only one prefix: 426
LACNIC Region transit ASes present in the Internet Routing Table: 318
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: 651
Number of LACNIC addresses announced to Internet: 113854888
Equivalent to 6 /8s, 201 /16s and 73 /24s
Percentage of available LACNIC address space announced: 67.9
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9664
Total AfriNIC prefixes after maximum aggregation: 2195
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 10118
Unique aggregates announced from the AfriNIC address blocks: 3421
AfriNIC Region origin ASes present in the Internet Routing Table: 559
AfriNIC Prefixes per ASN: 18.10
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: 41656064
Equivalent to 2 /8s, 123 /16s and 159 /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 2761 11117 1250 Korea Telecom (KIX)
17974 2340 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1714 301 86 TPG Internet Pty Ltd
4755 1606 386 158 TATA Communications formerly
9829 1311 1084 31 BSNL National Internet Backbo
9583 1206 90 534 Sify Limited
4808 1124 2051 322 CNCGROUP IP network: China169
7552 1110 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 3441 990 154 Windstream Communications Inc
6389 3374 3772 192 bellsouth.net, inc.
18566 2088 382 180 Covad Communications
1785 1939 680 129 PaeTec Communications, Inc.
22773 1722 2914 127 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1573 1026 384 Time Warner Telecom
30036 1416 281 795 Mediacom Communications Corp
7018 1238 10022 807 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 1546 544 16 Corbina telecom
15557 1215 2247 55 LDCOM NETWORKS
12479 826 764 85 Uni2 Autonomous System
34984 747 189 175 BILISIM TELEKOM
6830 715 2311 446 UPC Distribution Services
20940 711 230 552 Akamai Technologies European
31148 703 37 9 FreeNet ISP
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 644 100 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 2085 354 216 TVCABLE BOGOTA
28573 2049 1238 57 NET Servicos de Comunicao S.A
7303 1562 1033 202 Telecom Argentina Stet-France
6503 1530 435 68 AVANTEL, S.A.
8151 1466 3028 341 UniNet S.A. de C.V.
6458 883 81 15 GUATEL
27947 715 74 95 Telconet S.A
3816 600 254 91 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 901 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 The Internet Solution
33776 230 12 17 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 3441 990 154 Windstream Communications Inc
6389 3374 3772 192 bellsouth.net, inc.
4766 2761 11117 1250 Korea Telecom (KIX)
17974 2340 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 180 Covad Communications
10620 2085 354 216 TVCABLE BOGOTA
28573 2049 1238 57 NET Servicos de Comunicao S.A
1785 1939 680 129 PaeTec Communications, Inc.
22773 1722 2914 127 Cox Communications, Inc.
7545 1714 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 3374 3182 bellsouth.net, inc.
17974 2340 2286 PT TELEKOMUNIKASI INDONESIA
28573 2049 1992 NET Servicos de Comunicao S.A
18566 2088 1908 Covad Communications
10620 2085 1869 TVCABLE BOGOTA
1785 1939 1810 PaeTec Communications, Inc.
7545 1714 1628 TPG Internet Pty Ltd
22773 1722 1595 Cox Communications, Inc.
8402 1546 1530 Corbina telecom
4766 2761 1511 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
5.10.192.0/21 57685 Wipa Nederland B.V.
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
/13:475 /14:846 /15:1530 /16:12361 /17:6387 /18:10767
/19:20982 /20:30095 /21:31942 /22:41932 /23:39764 /24:220952
/25:1236 /26:1494 /27:858 /28:172 /29:61 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3441 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1860 3374 bellsouth.net, inc.
30036 1351 1416 Mediacom Communications Corp
8402 1274 1546 Corbina telecom
15557 1159 1215 LDCOM NETWORKS
11492 1154 1191 Cable One
22773 1130 1722 Cox Communications, Inc.
6503 1051 1530 AVANTEL, S.A.
1785 1040 1939 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:550 2:764 3:1 4:13 5:353 6:3
8:439 12:2009 13:1 14:641 15:11 16:3
17:6 20:26 23:200 24:1799 27:1333 31:1028
32:56 33:2 34:2 36:7 37:726 38:820
39:1 40:133 41:2892 42:163 44:3 46:1585
47:2 49:435 50:577 52:13 54:14 55:7
56:1 57:31 58:987 59:518 60:238 61:1291
62:989 63:2011 64:4259 65:2253 66:4535 67:2053
68:1159 69:3213 70:987 71:522 72:1870 74:2607
75:489 76:330 77:949 78:908 79:498 80:1274
81:955 82:633 83:540 84:621 85:1136 86:799
87:933 88:334 89:1811 90:301 91:5107 92:591
93:1472 94:1566 95:1264 96:411 97:317 98:893
99:39 100:22 101:258 103:1395 105:512 106:112
107:193 108:424 109:1909 110:792 111:947 112:433
113:675 114:652 115:843 116:882 117:726 118:941
119:1248 120:341 121:698 122:1658 123:1169 124:1349
125:1265 128:522 129:185 130:269 131:635 132:299
133:22 134:246 135:61 136:217 137:239 138:340
139:185 140:501 141:266 142:451 143:373 144:492
145:78 146:511 147:254 148:777 149:300 150:156
151:186 152:457 153:175 154:20 155:412 156:222
157:381 158:180 159:634 160:345 161:410 162:402
163:189 164:685 165:410 166:572 167:532 168:955
169:126 170:907 171:145 172:5 173:1723 174:624
175:433 176:603 177:1009 178:1665 180:1337 181:123
182:1035 183:228 184:579 186:2059 187:1128 188:1445
189:1580 190:6150 192:6013 193:5455 194:4238 195:3258
196:1235 197:204 198:3701 199:4909 200:6029 201:1964
202:8713 203:8662 204:4395 205:2541 206:2812 207:2816
208:4050 209:3639 210:2778 211:1554 212:2022 213:1801
214:879 215:86 216:5104 217:1530 218:557 219:311
220:1238 221:542 222:336 223:373
End of report