Routing Table Report 08:00 +10GMT Sat 11 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 413701
Prefixes after maximum aggregation: 174976
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 203711
Total ASes present in the Internet Routing Table: 38874
Prefixes per ASN: 10.64
Origin-only ASes present in the Internet Routing Table: 33462
Origin ASes announcing only one prefix: 15737
Transit ASes present in the Internet Routing Table: 5412
Transit-only ASes present in the Internet Routing Table: 114
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: 3098
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7001
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 176
Number of addresses announced to Internet: 2607693312
Equivalent to 155 /8s, 110 /16s and 62 /24s
Percentage of available address space announced: 70.4
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: 93.1
Total number of prefixes smaller than registry allocations: 143510
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96473
Total APNIC prefixes after maximum aggregation: 31211
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 97606
Unique aggregates announced from the APNIC address blocks: 42160
APNIC Region origin ASes present in the Internet Routing Table: 4679
APNIC Prefixes per ASN: 20.86
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 731
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: 705510656
Equivalent to 42 /8s, 13 /16s and 61 /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: 152183
Total ARIN prefixes after maximum aggregation: 77403
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153165
Unique aggregates announced from the ARIN address blocks: 68657
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: 5754
ARIN Region transit ASes present in the Internet Routing Table: 1534
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: 1083769088
Equivalent to 64 /8s, 153 /16s and 1 /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: 105430
Total RIPE prefixes after maximum aggregation: 55850
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 107647
Unique aggregates announced from the RIPE address blocks: 67384
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: 2653
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: 640911360
Equivalent to 38 /8s, 51 /16s and 136 /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: 42238
Total LACNIC prefixes after maximum aggregation: 8266
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 45007
Unique aggregates announced from the LACNIC address blocks: 21933
LACNIC Region origin ASes present in the Internet Routing Table: 1611
LACNIC Prefixes per ASN: 27.94
LACNIC Region origin ASes announcing only one prefix: 425
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: 113244160
Equivalent to 6 /8s, 191 /16s and 248 /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: 9644
Total AfriNIC prefixes after maximum aggregation: 2192
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 10099
Unique aggregates announced from the AfriNIC address blocks: 3428
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.20
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 119
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: 41533440
Equivalent to 2 /8s, 121 /16s and 192 /24s
Percentage of available AfriNIC address space announced: 41.3
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 2322 702 54 PT Telekomunikasi Indonesia
4766 2022 11106 779 Korea Telecom (KIX)
7545 1707 301 86 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 3437 986 155 Windstream Communications Inc
6389 3341 3773 193 BellSouth.net Inc.
18566 2090 382 181 Covad Communications Co.
1785 1938 680 129 PaeTec Communications, Inc.
22773 1699 2914 125 Cox Communications Inc.
20115 1646 1572 611 Charter Communications
4323 1572 1043 385 tw telecom holdings, inc.
30036 1432 279 783 Mediacom Communications Corp
7018 1250 10073 820 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 1401 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 602 364 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 2082 354 221 Types of queries are: POCs, o
28573 2037 1232 55 Types of queries are: POCs, o
7303 1560 1032 202 Telecom Argentina S.A.
6503 1520 419 69 Axtel, S.A.B. de C.V.
8151 1326 3025 340 Uninet S.A. de C.V.
6458 881 81 15 Telgua
27947 691 75 90 Telconet S.A
11172 645 107 75 Alestra, S. de R.L. de C.V.
3816 600 253 95 Types of queries are: POCs, o
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 921 958 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 219 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 3437 986 155 Windstream Communications Inc
6389 3341 3773 193 BellSouth.net Inc.
17974 2322 702 54 PT Telekomunikasi Indonesia
18566 2090 382 181 Covad Communications Co.
10620 2082 354 221 Types of queries are: POCs, o
28573 2037 1232 55 Types of queries are: POCs, o
4766 2022 11106 779 Korea Telecom (KIX)
1785 1938 680 129 PaeTec Communications, Inc.
7545 1707 301 86 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 2322 2268 PT Telekomunikasi Indonesia
28573 2037 1982 Types of queries are: POCs, o
18566 2090 1909 Covad Communications Co.
10620 2082 1861 Types of queries are: POCs, o
1785 1938 1809 PaeTec Communications, Inc.
7545 1707 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
5.187.48.0/21 23456 32-bit ASN transition
5.188.0.0/15 44050 Petersburg Internet Network L
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
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 /15:1529 /16:12324 /17:6393 /18:10653
/19:20802 /20:30001 /21:31576 /22:41288 /23:39409 /24:217443
/25:11 /26:22 /27:18 /28:146 /29:158 /30:84
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2800 3437 Windstream Communications Inc
18566 2040 2090 Covad Communications Co.
6389 1834 3341 BellSouth.net Inc.
30036 1368 1432 Mediacom Communications Corp
11492 1154 1191 CABLE ONE, INC.
8402 1136 1401 Corbina telecom
22773 1123 1699 Cox Communications Inc.
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)
----------------------------------------------
1:512 2:652 3:1 4:13 5:337 6:3
8:437 12:1979 13:1 14:627 15:11 16:3
17:6 20:24 23:200 24:1802 27:1329 31:1039
32:51 33:2 34:2 36:8 37:726 38:808
39:1 40:134 41:2881 42:156 44:3 46:1558
47:2 49:432 50:576 52:13 54:14 55:2
57:38 58:928 59:510 60:234 61:1178 62:941
63:2016 64:4234 65:2241 66:4526 67:2055 68:1154
69:3205 70:988 71:518 72:1869 74:2605 75:489
76:331 77:943 78:894 79:500 80:1238 81:954
82:644 83:541 84:511 85:1117 86:473 87:934
88:337 89:1803 90:303 91:5094 92:591 93:1323
94:1587 95:1249 96:409 97:316 98:899 99:36
100:22 101:254 103:1361 105:512 106:112 107:193
108:401 109:1496 110:791 111:947 112:429 113:669
114:651 115:833 116:904 117:724 118:945 119:1185
120:354 121:681 122:1612 123:1166 124:1311 125:1265
128:486 129:177 130:255 131:628 132:292 133:22
134:235 135:61 136:214 137:183 138:347 139:182
140:471 141:266 142:432 143:376 144:489 145:78
146:504 147:265 148:750 149:318 150:142 151:186
152:453 153:175 154:19 155:400 156:219 157:336
158:189 159:553 160:346 161:386 162:390 163:177
164:672 165:407 166:572 167:530 168:956 169:125
170:909 171:149 172:5 173:1734 174:634 175:433
176:589 177:978 178:1678 180:1334 181:119 182:1023
183:232 184:573 186:2080 187:1127 188:1423 189:1576
190:5982 192:5965 193:5455 194:4233 195:3240 196:1240
197:199 198:3651 199:4862 200:5914 201:1961 202:8472
203:8568 204:4321 205:2509 206:2723 207:2723 208:4043
209:3614 210:2707 211:1554 212:2021 213:1805 214:872
215:84 216:5083 217:1566 218:548 219:299 220:1236
221:553 222:298 223:363
End of report