Routing Table Report 08:00 +10GMT Mon 27 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 414843
Prefixes after maximum aggregation: 175241
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206026
Total ASes present in the Internet Routing Table: 38968
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 33565
Origin ASes announcing only one prefix: 15773
Transit ASes present in the Internet Routing Table: 5403
Transit-only ASes present in the Internet Routing Table: 117
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1251
Unregistered ASNs in the Routing Table: 238
Number of 32-bit ASNs allocated by the RIRs: 3179
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7216
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2610804224
Equivalent to 155 /8s, 157 /16s and 182 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.5
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.3
Total number of prefixes smaller than registry allocations: 143960
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96429
Total APNIC prefixes after maximum aggregation: 31147
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 97607
Unique aggregates announced from the APNIC address blocks: 42407
APNIC Region origin ASes present in the Internet Routing Table: 4690
APNIC Prefixes per ASN: 20.81
APNIC Region origin ASes announcing only one prefix: 1270
APNIC Region transit ASes present in the Internet Routing Table: 734
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 705490944
Equivalent to 42 /8s, 12 /16s and 240 /24s
Percentage of available APNIC address space announced: 82.5
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: 152428
Total ARIN prefixes after maximum aggregation: 77404
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153412
Unique aggregates announced from the ARIN address blocks: 68664
ARIN Region origin ASes present in the Internet Routing Table: 15171
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5758
ARIN Region transit ASes present in the Internet Routing Table: 1528
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1085169664
Equivalent to 64 /8s, 174 /16s and 96 /24s
Percentage of available ARIN address space announced: 57.4
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: 106147
Total RIPE prefixes after maximum aggregation: 56147
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108424
Unique aggregates announced from the RIPE address blocks: 69250
RIPE Region origin ASes present in the Internet Routing Table: 16783
RIPE Prefixes per ASN: 6.46
RIPE Region origin ASes announcing only one prefix: 8141
RIPE Region transit ASes present in the Internet Routing Table: 2649
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 641415168
Equivalent to 38 /8s, 59 /16s and 56 /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: 42337
Total LACNIC prefixes after maximum aggregation: 8302
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 45200
Unique aggregates announced from the LACNIC address blocks: 22126
LACNIC Region origin ASes present in the Internet Routing Table: 1618
LACNIC Prefixes per ASN: 27.94
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 302
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 114469376
Equivalent to 6 /8s, 210 /16s and 170 /24s
Percentage of available LACNIC address space announced: 68.2
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: 9562
Total AfriNIC prefixes after maximum aggregation: 2187
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 10026
Unique aggregates announced from the AfriNIC address blocks: 3434
AfriNIC Region origin ASes present in the Internet Routing Table: 556
AfriNIC Prefixes per ASN: 18.03
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 120
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 41676800
Equivalent to 2 /8s, 123 /16s and 240 /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
17974 2341 702 54 PT Telekomunikasi Indonesia
4766 2058 11109 813 Korea Telecom (KIX)
7545 1720 301 86 TPG Internet Pty Ltd
4755 1587 385 157 TATA Communications formerly
9829 1308 1099 24 National Internet Backbone
9583 1176 86 509 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1000 310 73 BHARTI Airtel Ltd.
4808 976 1959 293 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3445 990 154 Windstream Communications Inc
6389 3360 3755 191 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1947 681 131 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
20115 1648 1575 609 Charter Communications
4323 1571 1042 388 tw telecom holdings, inc.
30036 1445 284 733 Mediacom Communications Corp
7018 1255 10340 823 AT&T Services, Inc.
11492 1197 217 345 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1522 544 16 Corbina telecom
12479 828 764 85 France Telecom Espana SA
34984 750 189 175 BILISIM TELEKOM
6830 720 2313 447 UPC Broadband
31148 712 37 9 FreeNet ISP
20940 690 226 546 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 657 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 599 364 61 Bezeq International
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 2101 358 219 Types of queries are: POCs, o
28573 2050 1244 55 Types of queries are: POCs, o
7303 1565 1034 200 Telecom Argentina S.A.
6503 1411 435 70 Axtel, S.A.B. de C.V.
8151 1332 3012 344 Uninet S.A. de C.V.
6458 883 81 15 Telgua
27947 696 75 90 Telconet S.A
3816 604 255 90 Types of queries are: POCs, o
11172 591 101 70 Alestra, S. de R.L. de C.V.
22047 579 326 15 Types of queries are: POCs, o
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 869 275 36 LINKdotNET AS number
8452 857 958 13 TEDATA
36998 535 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 The Internet Solution
12258 194 28 66 Vodacom Internet Company
33776 194 13 11 Starcomms Nigeria Limited
15706 193 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3445 990 154 Windstream Communications Inc
6389 3360 3755 191 BellSouth.net Inc.
17974 2341 702 54 PT Telekomunikasi Indonesia
10620 2101 358 219 Types of queries are: POCs, o
18566 2087 382 179 Covad Communications Co.
4766 2058 11109 813 Korea Telecom (KIX)
28573 2050 1244 55 Types of queries are: POCs, o
1785 1947 681 131 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
7545 1720 301 86 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3360 3169 BellSouth.net Inc.
17974 2341 2287 PT Telekomunikasi Indonesia
28573 2050 1995 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
10620 2101 1882 Types of queries are: POCs, o
1785 1947 1816 PaeTec Communications, Inc.
22773 1824 1696 Cox Communications Inc.
7545 1720 1634 TPG Internet Pty Ltd
8402 1522 1506 Corbina telecom
4755 1587 1430 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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 43179 Team Consulting d.o.
59457 UNALLOCATED 5.149.68.0/24 43179 Team Consulting d.o.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/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
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/london/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 /10:30 /11:84 /12:238
/13:473 /14:844 /15:1541 /16:12332 /17:6435 /18:10752
/19:20913 /20:30014 /21:31602 /22:41478 /23:39405 /24:218088
/25:11 /26:22 /27:18 /28:148 /29:158 /30:84
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2807 3445 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1856 3360 BellSouth.net Inc.
30036 1377 1445 Mediacom Communications Corp
8402 1254 1522 Corbina telecom
22773 1174 1824 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
1785 1042 1947 PaeTec Communications, Inc.
6503 969 1411 Axtel, S.A.B. de C.V.
7011 933 1193 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:527 2:746 3:1 4:13 5:365 6:3
8:436 12:2002 13:1 14:635 15:11 16:3
17:6 20:27 23:204 24:1800 27:1319 31:1063
32:51 33:2 34:2 36:8 37:741 38:816
39:1 40:133 41:2854 42:155 44:3 46:1584
47:2 49:468 50:586 52:13 54:17 55:7
56:1 57:33 58:929 59:519 60:234 61:1167
62:954 63:2004 64:4262 65:2240 66:4509 67:2044
68:1156 69:3202 70:987 71:525 72:1638 74:2569
75:491 76:330 77:942 78:911 79:486 80:1236
81:957 82:639 83:535 84:515 85:1133 86:460
87:929 88:350 89:1809 90:299 91:5134 92:588
93:1349 94:1587 95:1256 96:414 97:317 98:899
99:36 100:23 101:261 103:1425 105:512 106:115
107:195 108:413 109:1497 110:795 111:951 112:424
113:681 114:645 115:838 116:869 117:724 118:935
119:1203 120:294 121:671 122:1613 123:1183 124:1317
125:1265 128:512 129:178 130:271 131:614 132:293
133:22 134:236 135:61 136:217 137:236 138:337
139:182 140:475 141:274 142:465 143:355 144:482
145:81 146:506 147:256 148:741 149:299 150:150
151:168 152:455 153:177 154:19 155:432 156:219
157:337 158:179 159:561 160:348 161:386 162:403
163:178 164:678 165:410 166:561 167:537 168:954
169:124 170:905 171:145 172:5 173:1711 174:630
175:434 176:598 177:1061 178:1691 180:1344 181:127
182:1017 183:222 184:585 186:2141 187:1074 188:1470
189:1540 190:6158 192:5972 193:5464 194:4228 195:3248
196:1215 197:204 198:3695 199:4896 200:5870 201:1964
202:8493 203:8573 204:4334 205:2512 206:2741 207:2796
208:4040 209:3623 210:2736 211:1545 212:2033 213:1811
214:873 215:84 216:5121 217:1550 218:534 219:299
220:1235 221:510 222:303 223:330
End of report