Routing Table Report 08:00 +10GMT Sat 01 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 416333
Prefixes after maximum aggregation: 175527
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206918
Total ASes present in the Internet Routing Table: 39002
Prefixes per ASN: 10.67
Origin-only ASes present in the Internet Routing Table: 33589
Origin ASes announcing only one prefix: 15792
Transit ASes present in the Internet Routing Table: 5413
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: 1306
Unregistered ASNs in the Routing Table: 250
Number of 32-bit ASNs allocated by the RIRs: 3198
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7339
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 171
Number of addresses announced to Internet: 2610723328
Equivalent to 155 /8s, 156 /16s and 122 /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: 93.4
Total number of prefixes smaller than registry allocations: 144910
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96623
Total APNIC prefixes after maximum aggregation: 31148
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 97820
Unique aggregates announced from the APNIC address blocks: 42523
APNIC Region origin ASes present in the Internet Routing Table: 4688
APNIC Prefixes per ASN: 20.87
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 729
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: 705482752
Equivalent to 42 /8s, 12 /16s and 208 /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: 152596
Total ARIN prefixes after maximum aggregation: 77408
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153596
Unique aggregates announced from the ARIN address blocks: 68967
ARIN Region origin ASes present in the Internet Routing Table: 15169
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5749
ARIN Region transit ASes present in the Internet Routing Table: 1516
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: 1083563776
Equivalent to 64 /8s, 149 /16s and 223 /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: 106609
Total RIPE prefixes after maximum aggregation: 56374
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108957
Unique aggregates announced from the RIPE address blocks: 69705
RIPE Region origin ASes present in the Internet Routing Table: 16818
RIPE Prefixes per ASN: 6.48
RIPE Region origin ASes announcing only one prefix: 8172
RIPE Region transit ASes present in the Internet Routing Table: 2664
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: 642687744
Equivalent to 38 /8s, 78 /16s and 163 /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: 42592
Total LACNIC prefixes after maximum aggregation: 8346
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 45459
Unique aggregates announced from the LACNIC address blocks: 22137
LACNIC Region origin ASes present in the Internet Routing Table: 1622
LACNIC Prefixes per ASN: 28.03
LACNIC Region origin ASes announcing only one prefix: 435
LACNIC Region transit ASes present in the Internet Routing Table: 307
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: 114724096
Equivalent to 6 /8s, 214 /16s and 141 /24s
Percentage of available LACNIC address space announced: 68.4
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: 9847
Total AfriNIC prefixes after maximum aggregation: 2194
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 10329
Unique aggregates announced from the AfriNIC address blocks: 3447
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.61
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 118
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: 41677568
Equivalent to 2 /8s, 123 /16s and 243 /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 2342 702 54 PT Telekomunikasi Indonesia
4766 2074 11111 829 Korea Telecom (KIX)
7545 1744 301 87 TPG Internet Pty Ltd
4755 1588 385 158 TATA Communications formerly
9829 1312 1100 27 National Internet Backbone
9583 1178 87 507 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1002 310 73 BHARTI Airtel Ltd.
4808 976 1969 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 3455 990 154 Windstream Communications Inc
6389 3341 3737 185 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1949 681 133 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
20115 1660 1576 614 Charter Communications
4323 1574 1042 385 tw telecom holdings, inc.
30036 1439 282 722 Mediacom Communications Corp
7018 1262 10333 834 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 1568 544 16 Corbina telecom
12479 831 766 80 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 684 223 546 Akamai Technologies European
13188 669 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 597 364 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 2126 362 226 Types of queries are: POCs, o
28573 2120 1247 54 Types of queries are: POCs, o
7303 1564 1034 199 Telecom Argentina S.A.
6503 1524 451 70 Axtel, S.A.B. de C.V.
8151 1429 3015 343 Uninet S.A. de C.V.
6458 710 81 15 Telgua
27947 697 75 90 Telconet S.A
3816 639 262 95 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
24863 868 275 36 LINKdotNET AS number
8452 851 958 13 TEDATA
36998 777 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 267 80 8 RAYA Telecom - Egypt
3741 261 904 222 The Internet Solution
33776 231 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
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 3455 990 154 Windstream Communications Inc
6389 3341 3737 185 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
10620 2126 362 226 Types of queries are: POCs, o
28573 2120 1247 54 Types of queries are: POCs, o
18566 2087 382 179 Covad Communications Co.
4766 2074 11111 829 Korea Telecom (KIX)
1785 1949 681 133 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
7545 1744 301 87 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 3341 3156 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2120 2066 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
10620 2126 1900 Types of queries are: POCs, o
1785 1949 1816 PaeTec Communications, Inc.
22773 1824 1696 Cox Communications Inc.
7545 1744 1657 TPG Internet Pty Ltd
8402 1568 1552 Corbina telecom
6503 1524 1454 Axtel, S.A.B. de C.V.
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
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
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /14:844 /15:1543 /16:12329 /17:6420 /18:10724
/19:20977 /20:30131 /21:31764 /22:41732 /23:39481 /24:218948
/25:11 /26:22 /27:18 /28:146 /29:163 /30:84
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2811 3455 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1852 3341 BellSouth.net Inc.
30036 1372 1439 Mediacom Communications Corp
8402 1287 1568 Corbina telecom
22773 1174 1824 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
6503 1049 1524 Axtel, S.A.B. de C.V.
1785 1043 1949 PaeTec Communications, Inc.
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)
----------------------------------------------
1:545 2:739 3:1 4:13 5:386 6:3
8:450 12:2002 13:1 14:648 15:11 16:3
17:6 20:27 23:203 24:1799 27:1319 31:1056
32:50 33:2 34:2 36:8 37:743 38:819
39:2 40:133 41:3141 42:159 44:3 46:1590
47:2 49:471 50:591 52:13 54:17 55:5
56:1 57:33 58:935 59:521 60:237 61:1181
62:966 63:2001 64:4251 65:2237 66:4480 67:2040
68:1170 69:3190 70:981 71:525 72:1870 74:2564
75:493 76:332 77:942 78:923 79:487 80:1241
81:952 82:641 83:535 84:514 85:1142 86:482
87:924 88:348 89:1830 90:300 91:5159 92:589
93:1393 94:1571 95:1249 96:414 97:317 98:901
99:36 100:23 101:261 103:1426 105:512 106:117
107:198 108:420 109:1492 110:800 111:954 112:426
113:682 114:653 115:842 116:864 117:725 118:945
119:1196 120:299 121:675 122:1606 123:1170 124:1318
125:1269 128:526 129:177 130:271 131:627 132:294
133:22 134:239 135:61 136:214 137:236 138:339
139:181 140:475 141:275 142:467 143:347 144:477
145:82 146:508 147:253 148:742 149:292 150:151
151:171 152:450 153:177 154:19 155:436 156:219
157:337 158:180 159:561 160:344 161:388 162:406
163:179 164:685 165:411 166:562 167:543 168:953
169:124 170:905 171:143 172:6 173:1711 174:631
175:436 176:613 177:1102 178:1648 180:1347 181:132
182:1019 183:226 184:583 186:2100 187:1230 188:1546
189:1588 190:6001 192:5974 193:5515 194:4245 195:3255
196:1212 197:207 198:3700 199:4912 200:5853 201:1960
202:8499 203:8533 204:4333 205:2523 206:2664 207:2805
208:4052 209:3630 210:2751 211:1546 212:2030 213:1814
214:885 215:85 216:5119 217:1549 218:534 219:299
220:1237 221:510 222:300 223:315
End of report