Routing Table Report 08:00 +10GMT Thu 30 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 415899
Prefixes after maximum aggregation: 175640
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206621
Total ASes present in the Internet Routing Table: 38996
Prefixes per ASN: 10.67
Origin-only ASes present in the Internet Routing Table: 33580
Origin ASes announcing only one prefix: 15783
Transit ASes present in the Internet Routing Table: 5416
Transit-only ASes present in the Internet Routing Table: 120
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: 1271
Unregistered ASNs in the Routing Table: 245
Number of 32-bit ASNs allocated by the RIRs: 3188
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7277
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 176
Number of addresses announced to Internet: 2609994240
Equivalent to 155 /8s, 145 /16s and 90 /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: 144646
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96676
Total APNIC prefixes after maximum aggregation: 31174
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 97874
Unique aggregates announced from the APNIC address blocks: 42422
APNIC Region origin ASes present in the Internet Routing Table: 4692
APNIC Prefixes per ASN: 20.86
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 731
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: 705352960
Equivalent to 42 /8s, 10 /16s and 213 /24s
Percentage of available APNIC address space announced: 82.4
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: 152671
Total ARIN prefixes after maximum aggregation: 77456
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153664
Unique aggregates announced from the ARIN address blocks: 68923
ARIN Region origin ASes present in the Internet Routing Table: 15174
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5754
ARIN Region transit ASes present in the Internet Routing Table: 1522
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1083571456
Equivalent to 64 /8s, 149 /16s and 253 /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: 106582
Total RIPE prefixes after maximum aggregation: 56316
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108899
Unique aggregates announced from the RIPE address blocks: 69546
RIPE Region origin ASes present in the Internet Routing Table: 16798
RIPE Prefixes per ASN: 6.48
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2661
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: 642417408
Equivalent to 38 /8s, 74 /16s and 131 /24s
Percentage of available RIPE address space announced: 93.4
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: 42424
Total LACNIC prefixes after maximum aggregation: 8453
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 45270
Unique aggregates announced from the LACNIC address blocks: 22114
LACNIC Region origin ASes present in the Internet Routing Table: 1624
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 305
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: 114349312
Equivalent to 6 /8s, 208 /16s and 213 /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: 9538
Total AfriNIC prefixes after maximum aggregation: 2187
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 10015
Unique aggregates announced from the AfriNIC address blocks: 3468
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.05
AfriNIC Region origin ASes announcing only one prefix: 172
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: 41684224
Equivalent to 2 /8s, 124 /16s and 13 /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 2081 11111 830 Korea Telecom (KIX)
7545 1745 301 88 TPG Internet Pty Ltd
4755 1588 385 157 TATA Communications formerly
9829 1310 1100 27 National Internet Backbone
9583 1178 87 507 Sify Limited
7552 1093 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1000 310 73 BHARTI Airtel Ltd.
4808 978 1985 292 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 3451 990 154 Windstream Communications Inc
6389 3348 3738 187 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1949 681 133 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications Inc.
20115 1653 1575 613 Charter Communications
4323 1571 1042 386 tw telecom holdings, inc.
30036 1435 281 728 Mediacom Communications Corp
7018 1265 10347 832 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 1591 544 16 Corbina telecom
12479 828 764 85 France Telecom Espana SA
34984 752 189 176 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
2118 715 97 14 EUnet/RELCOM Autonomous Syste
31148 710 37 9 FreeNet ISP
20940 687 226 545 Akamai Technologies European
13188 666 100 10 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 598 364 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 2104 358 221 Types of queries are: POCs, o
28573 2041 1245 56 Types of queries are: POCs, o
7303 1564 1034 199 Telecom Argentina S.A.
6503 1411 435 70 Axtel, S.A.B. de C.V.
8151 1333 3014 343 Uninet S.A. de C.V.
6458 876 81 15 Telgua
27947 698 75 90 Telconet S.A
3816 637 262 99 Types of queries are: POCs, o
11172 593 101 69 Alestra, S. de R.L. de C.V.
22047 580 326 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
8452 872 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 535 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
3741 261 904 222 The Internet Solution
24835 256 80 8 RAYA Telecom - Egypt
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 3451 990 154 Windstream Communications Inc
6389 3348 3738 187 BellSouth.net Inc.
17974 2341 702 54 PT Telekomunikasi Indonesia
10620 2104 358 221 Types of queries are: POCs, o
18566 2087 382 179 Covad Communications Co.
4766 2081 11111 830 Korea Telecom (KIX)
28573 2041 1245 56 Types of queries are: POCs, o
1785 1949 681 133 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications Inc.
7545 1745 301 88 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 3348 3161 BellSouth.net Inc.
17974 2341 2287 PT Telekomunikasi Indonesia
28573 2041 1985 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
10620 2104 1883 Types of queries are: POCs, o
1785 1949 1816 PaeTec Communications, Inc.
22773 1825 1697 Cox Communications Inc.
7545 1745 1657 TPG Internet Pty Ltd
8402 1591 1575 Corbina telecom
4755 1588 1431 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
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
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.
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
5.198.240.0/21 9038 Batelco Jordan
5.199.128.0/20 24961 fastIT AS for european operat
5.199.232.0/21 49984 "Telecomunikatsiina Companiya
5.200.0.0/19 49544 Interactive3D
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
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 /12:237
/13:473 /14:843 /15:1541 /16:12329 /17:6425 /18:10731
/19:20907 /20:30062 /21:31718 /22:41635 /23:39493 /24:218772
/25:11 /26:22 /27:18 /28:147 /29:163 /30:84
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2809 3451 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1854 3348 BellSouth.net Inc.
30036 1368 1435 Mediacom Communications Corp
8402 1306 1591 Corbina telecom
22773 1175 1825 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
1785 1043 1949 PaeTec Communications, Inc.
6503 970 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)
----------------------------------------------
1:542 2:755 3:1 4:13 5:384 6:3
8:453 12:2001 13:1 14:643 15:11 16:3
17:6 20:27 23:202 24:1799 27:1326 31:1055
32:51 33:2 34:2 36:8 37:742 38:820
39:2 40:133 41:2859 42:158 44:3 46:1586
47:2 49:471 50:589 52:13 54:17 55:8
56:1 57:33 58:934 59:521 60:237 61:1181
62:957 63:2002 64:4257 65:2235 66:4478 67:2044
68:1169 69:3201 70:984 71:523 72:1866 74:2566
75:491 76:329 77:943 78:934 79:486 80:1240
81:960 82:643 83:535 84:511 85:1141 86:482
87:930 88:364 89:1829 90:300 91:5153 92:594
93:1381 94:1588 95:1255 96:415 97:317 98:904
99:36 100:23 101:261 103:1431 105:512 106:116
107:198 108:418 109:1493 110:800 111:954 112:426
113:682 114:646 115:838 116:870 117:724 118:938
119:1207 120:294 121:675 122:1608 123:1172 124:1314
125:1265 128:530 129:178 130:271 131:624 132:294
133:22 134:236 135:61 136:216 137:236 138:338
139:181 140:475 141:276 142:467 143:356 144:483
145:82 146:508 147:258 148:738 149:299 150:151
151:171 152:455 153:177 154:19 155:436 156:219
157:337 158:180 159:559 160:344 161:386 162:405
163:179 164:682 165:410 166:563 167:540 168:945
169:124 170:905 171:145 172:5 173:1708 174:630
175:435 176:612 177:1077 178:1692 180:1341 181:129
182:1019 183:226 184:588 186:2142 187:1074 188:1533
189:1567 190:6150 192:5975 193:5486 194:4236 195:3254
196:1214 197:205 198:3701 199:4906 200:5848 201:1955
202:8512 203:8590 204:4336 205:2516 206:2679 207:2794
208:4044 209:3642 210:2751 211:1545 212:2031 213:1810
214:879 215:84 216:5125 217:1548 218:534 219:299
220:1236 221:510 222:303 223:329
End of report