Routing Table Report 08:00 +10GMT Sun 12 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 413639
Prefixes after maximum aggregation: 175026
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 203832
Total ASes present in the Internet Routing Table: 38872
Prefixes per ASN: 10.64
Origin-only ASes present in the Internet Routing Table: 33458
Origin ASes announcing only one prefix: 15726
Transit ASes present in the Internet Routing Table: 5414
Transit-only ASes present in the Internet Routing Table: 116
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1084
Unregistered ASNs in the Routing Table: 200
Number of 32-bit ASNs allocated by the RIRs: 3102
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6985
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2607398144
Equivalent to 155 /8s, 105 /16s and 189 /24s
Percentage of available address space announced: 70.3
Percentage of allocated address space announced: 70.4
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: 143505
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96432
Total APNIC prefixes after maximum aggregation: 31250
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 97561
Unique aggregates announced from the APNIC address blocks: 42150
APNIC Region origin ASes present in the Internet Routing Table: 4677
APNIC Prefixes per ASN: 20.86
APNIC Region origin ASes announcing only one prefix: 1260
APNIC Region transit ASes present in the Internet Routing Table: 732
Average APNIC Region AS path length visible: 4.0
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: 705427456
Equivalent to 42 /8s, 11 /16s and 248 /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: 152199
Total ARIN prefixes after maximum aggregation: 77405
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153186
Unique aggregates announced from the ARIN address blocks: 68654
ARIN Region origin ASes present in the Internet Routing Table: 15152
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5751
ARIN Region transit ASes present in the Internet Routing Table: 1533
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: 1083504128
Equivalent to 64 /8s, 148 /16s and 246 /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: 105345
Total RIPE prefixes after maximum aggregation: 55875
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 107556
Unique aggregates announced from the RIPE address blocks: 67413
RIPE Region origin ASes present in the Internet Routing Table: 16730
RIPE Prefixes per ASN: 6.43
RIPE Region origin ASes announcing only one prefix: 8120
RIPE Region transit ASes present in the Internet Routing Table: 2656
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 641135616
Equivalent to 38 /8s, 54 /16s and 244 /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: 42342
Total LACNIC prefixes after maximum aggregation: 8256
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 45086
Unique aggregates announced from the LACNIC address blocks: 22047
LACNIC Region origin ASes present in the Internet Routing Table: 1611
LACNIC Prefixes per ASN: 27.99
LACNIC Region origin ASes announcing only one prefix: 424
LACNIC Region transit ASes present in the Internet Routing Table: 306
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 113203712
Equivalent to 6 /8s, 191 /16s and 90 /24s
Percentage of available LACNIC address space announced: 67.5
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: 9607
Total AfriNIC prefixes after maximum aggregation: 2186
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 10061
Unique aggregates announced from the AfriNIC address blocks: 3407
AfriNIC Region origin ASes present in the Internet Routing Table: 553
AfriNIC Prefixes per ASN: 18.19
AfriNIC Region origin ASes announcing only one prefix: 171
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: 41409280
Equivalent to 2 /8s, 119 /16s and 219 /24s
Percentage of available AfriNIC address space announced: 41.1
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 2323 702 54 PT Telekomunikasi Indonesia
4766 2019 11106 777 Korea Telecom (KIX)
7545 1708 301 87 TPG Internet Pty Ltd
4755 1584 385 156 TATA Communications formerly
9829 1310 1084 31 National Internet Backbone
9583 1206 90 534 Sify Limited
7552 1110 1062 11 Vietel Corporation
24560 1038 385 165 Bharti Airtel Ltd., Telemedia
9498 997 294 74 BHARTI Airtel Ltd.
4808 967 1940 289 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 3439 990 156 Windstream Communications Inc
6389 3341 3773 193 BellSouth.net Inc.
18566 2089 382 180 Covad Communications Co.
1785 1938 680 129 PaeTec Communications, Inc.
22773 1699 2914 125 Cox Communications Inc.
20115 1646 1572 611 Charter Communications
4323 1571 1043 385 tw telecom holdings, inc.
30036 1436 280 785 Mediacom Communications Corp
7018 1245 10057 815 AT&T Services, Inc.
11492 1191 216 351 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 1373 544 16 Corbina telecom
12479 824 762 86 France Telecom Espana SA
34984 744 189 177 BILISIM TELEKOM
6830 715 2310 446 UPC Broadband
31148 699 37 9 FreeNet ISP
20940 693 229 551 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 657 100 9 Ukraine
58113 624 70 370 LIR DATACENTER TELECOM SRL
8551 603 364 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 2077 353 220 Types of queries are: POCs, o
28573 2037 1232 55 Types of queries are: POCs, o
7303 1559 1032 201 Telecom Argentina S.A.
6503 1520 419 69 Axtel, S.A.B. de C.V.
8151 1329 3025 343 Uninet S.A. de C.V.
6458 881 81 15 Telgua
27947 691 75 90 Telconet S.A
3816 600 253 95 Types of queries are: POCs, o
11172 592 101 71 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 924 958 13 TEDATA
24863 865 274 33 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 515 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
33776 227 12 19 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 179 32 6 Sudatel Internet Exchange Aut
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 3439 990 156 Windstream Communications Inc
6389 3341 3773 193 BellSouth.net Inc.
17974 2323 702 54 PT Telekomunikasi Indonesia
18566 2089 382 180 Covad Communications Co.
10620 2077 353 220 Types of queries are: POCs, o
28573 2037 1232 55 Types of queries are: POCs, o
4766 2019 11106 777 Korea Telecom (KIX)
1785 1938 680 129 PaeTec Communications, Inc.
7545 1708 301 87 TPG Internet Pty Ltd
22773 1699 2914 125 Cox Communications Inc.
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 3148 BellSouth.net Inc.
17974 2323 2269 PT Telekomunikasi Indonesia
28573 2037 1982 Types of queries are: POCs, o
18566 2089 1909 Covad Communications Co.
10620 2077 1857 Types of queries are: POCs, o
1785 1938 1809 PaeTec Communications, Inc.
7545 1708 1621 TPG Internet Pty Ltd
22773 1699 1574 Cox Communications Inc.
6503 1520 1451 Axtel, S.A.B. de C.V.
4755 1584 1428 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
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 5.149.71.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.74.0/23 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.94.0/24 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 /8:21 /9:14 /10:30 /11:84 /12:237
/13:472 /14:847 /15:1528 /16:12317 /17:6391 /18:10654
/19:20830 /20:29993 /21:31548 /22:41287 /23:39353 /24:217458
/25:11 /26:22 /27:18 /28:145 /29:157 /30:84
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3439 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1834 3341 BellSouth.net Inc.
30036 1372 1436 Mediacom Communications Corp
11492 1154 1191 CABLE ONE, INC.
22773 1123 1699 Cox Communications Inc.
8402 1111 1373 Corbina telecom
6503 1047 1520 Axtel, S.A.B. de C.V.
1785 1040 1938 PaeTec Communications, Inc.
7011 929 1190 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:503 2:629 3:1 4:13 5:335 6:3
8:437 12:1976 13:1 14:624 15:11 16:3
17:6 20:24 23:200 24:1800 27:1330 31:973
32:51 33:2 34:2 36:8 37:726 38:809
39:1 40:134 41:2876 42:156 44:3 46:1558
47:2 49:432 50:575 52:13 54:14 55:3
57:38 58:927 59:512 60:234 61:1176 62:948
63:2016 64:4232 65:2242 66:4525 67:2056 68:1154
69:3203 70:987 71:518 72:1868 74:2607 75:489
76:331 77:947 78:891 79:499 80:1240 81:952
82:643 83:541 84:511 85:1134 86:473 87:936
88:337 89:1802 90:303 91:5096 92:591 93:1325
94:1585 95:1248 96:409 97:317 98:899 99:36
100:22 101:254 103:1365 105:512 106:112 107:193
108:402 109:1500 110:791 111:952 112:425 113:670
114:650 115:833 116:905 117:724 118:946 119:1184
120:353 121:676 122:1612 123:1166 124:1311 125:1265
128:481 129:177 130:256 131:627 132:293 133:22
134:234 135:61 136:214 137:235 138:345 139:182
140:470 141:259 142:432 143:373 144:490 145:78
146:505 147:265 148:747 149:318 150:147 151:186
152:453 153:175 154:19 155:423 156:219 157:335
158:189 159:555 160:346 161:386 162:390 163:178
164:674 165:407 166:572 167:531 168:956 169:125
170:909 171:145 172:5 173:1738 174:630 175:434
176:589 177:980 178:1683 180:1332 181:117 182:1021
183:232 184:574 186:2074 187:1123 188:1426 189:1579
190:6113 192:5960 193:5453 194:4230 195:3242 196:1226
197:201 198:3655 199:4857 200:5916 201:1959 202:8441
203:8562 204:4319 205:2509 206:2725 207:2724 208:4045
209:3611 210:2698 211:1555 212:2019 213:1797 214:852
215:85 216:5085 217:1566 218:548 219:299 220:1236
221:552 222:300 223:362
End of report