Routing Table Report 08:00 +10GMT Wed 29 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 415549
Prefixes after maximum aggregation: 175446
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206554
Total ASes present in the Internet Routing Table: 38990
Prefixes per ASN: 10.66
Origin-only ASes present in the Internet Routing Table: 33575
Origin ASes announcing only one prefix: 15787
Transit ASes present in the Internet Routing Table: 5415
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: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1260
Unregistered ASNs in the Routing Table: 242
Number of 32-bit ASNs allocated by the RIRs: 3185
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7223
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 181
Number of addresses announced to Internet: 2609745152
Equivalent to 155 /8s, 141 /16s and 141 /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: 144411
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96643
Total APNIC prefixes after maximum aggregation: 31159
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 97810
Unique aggregates announced from the APNIC address blocks: 42412
APNIC Region origin ASes present in the Internet Routing Table: 4691
APNIC Prefixes per ASN: 20.85
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 733
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: 705245184
Equivalent to 42 /8s, 9 /16s and 48 /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: 152658
Total ARIN prefixes after maximum aggregation: 77425
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153631
Unique aggregates announced from the ARIN address blocks: 68893
ARIN Region origin ASes present in the Internet Routing Table: 15175
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5754
ARIN Region transit ASes present in the Internet Routing Table: 1523
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: 1083601920
Equivalent to 64 /8s, 150 /16s and 116 /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: 106329
Total RIPE prefixes after maximum aggregation: 56273
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108604
Unique aggregates announced from the RIPE address blocks: 69439
RIPE Region origin ASes present in the Internet Routing Table: 16795
RIPE Prefixes per ASN: 6.47
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2659
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: 642023680
Equivalent to 38 /8s, 68 /16s and 129 /24s
Percentage of available RIPE address space announced: 93.3
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: 42409
Total LACNIC prefixes after maximum aggregation: 8336
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 45265
Unique aggregates announced from the LACNIC address blocks: 22186
LACNIC Region origin ASes present in the Internet Routing Table: 1622
LACNIC Prefixes per ASN: 27.91
LACNIC Region origin ASes announcing only one prefix: 435
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: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 114574592
Equivalent to 6 /8s, 212 /16s and 69 /24s
Percentage of available LACNIC address space announced: 68.3
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: 9576
Total AfriNIC prefixes after maximum aggregation: 2199
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 10057
Unique aggregates announced from the AfriNIC address blocks: 3471
AfriNIC Region origin ASes present in the Internet Routing Table: 558
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 122
Average AfriNIC Region AS path length visible: 3.4
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: 41686016
Equivalent to 2 /8s, 124 /16s and 20 /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 2343 702 54 PT Telekomunikasi Indonesia
4766 2081 11111 830 Korea Telecom (KIX)
7545 1745 301 89 TPG Internet Pty Ltd
4755 1587 385 157 TATA Communications formerly
9829 1310 1100 27 National Internet Backbone
9583 1177 86 509 Sify Limited
7552 1096 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1000 310 73 BHARTI Airtel Ltd.
4808 978 1977 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 3451 990 154 Windstream Communications Inc
6389 3352 3738 190 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1939 680 127 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
20115 1651 1576 610 Charter Communications
4323 1572 1042 387 tw telecom holdings, inc.
30036 1434 281 727 Mediacom Communications Corp
7018 1265 10356 833 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 1521 544 16 Corbina telecom
12479 828 764 85 France Telecom Espana SA
34984 752 189 176 BILISIM TELEKOM
6830 721 2313 448 UPC Broadband
31148 710 37 9 FreeNet ISP
20940 697 229 552 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 658 100 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 2104 358 221 Types of queries are: POCs, o
28573 2055 1245 56 Types of queries are: POCs, o
7303 1565 1034 200 Telecom Argentina S.A.
6503 1412 435 70 Axtel, S.A.B. de C.V.
8151 1333 3014 343 Uninet S.A. de C.V.
6458 875 81 15 Telgua
27947 697 75 90 Telconet S.A
3816 603 255 90 Types of queries are: POCs, o
11172 591 101 70 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 870 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 535 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 267 80 8 RAYA Telecom - Egypt
3741 261 904 222 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 3451 990 154 Windstream Communications Inc
6389 3352 3738 190 BellSouth.net Inc.
17974 2343 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 2055 1245 56 Types of queries are: POCs, o
1785 1939 680 127 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
7545 1745 301 89 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 3352 3162 BellSouth.net Inc.
17974 2343 2289 PT Telekomunikasi Indonesia
28573 2055 1999 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
10620 2104 1883 Types of queries are: POCs, o
1785 1939 1812 PaeTec Communications, Inc.
22773 1824 1696 Cox Communications Inc.
7545 1745 1656 TPG Internet Pty Ltd
8402 1521 1505 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
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
5.198.144.0/20 44453 interneX GmbH
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
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 /14:842 /15:1537 /16:12322 /17:6423 /18:10726
/19:20922 /20:30072 /21:31691 /22:41620 /23:39492 /24:218478
/25:11 /26:22 /27:17 /28:146 /29:156 /30:82
/31:0 /32:132
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 1855 3352 BellSouth.net Inc.
30036 1367 1434 Mediacom Communications Corp
8402 1245 1521 Corbina telecom
22773 1174 1824 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
1785 1043 1939 PaeTec Communications, Inc.
6503 970 1412 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)
----------------------------------------------
1:540 2:715 3:1 4:13 5:384 6:3
8:439 12:2000 13:1 14:643 15:11 16:3
17:6 20:27 23:204 24:1799 27:1324 31:1053
32:51 33:2 34:2 36:8 37:743 38:817
39:2 40:133 41:2862 42:158 44:3 46:1583
47:2 49:471 50:587 52:13 54:17 55:8
56:1 57:33 58:930 59:521 60:237 61:1174
62:956 63:2002 64:4259 65:2235 66:4493 67:2047
68:1171 69:3201 70:986 71:523 72:1867 74:2578
75:491 76:330 77:941 78:932 79:486 80:1239
81:958 82:640 83:535 84:512 85:1140 86:480
87:929 88:363 89:1831 90:300 91:5144 92:594
93:1375 94:1587 95:1247 96:416 97:317 98:908
99:36 100:23 101:261 103:1425 105:512 106:116
107:198 108:419 109:1494 110:797 111:954 112:426
113:681 114:652 115:838 116:870 117:725 118:939
119:1209 120:294 121:675 122:1619 123:1184 124:1315
125:1266 128:520 129:178 130:271 131:621 132:290
133:22 134:236 135:61 136:216 137:236 138:338
139:181 140:474 141:274 142:467 143:352 144:469
145:82 146:507 147:259 148:738 149:298 150:151
151:171 152:455 153:177 154:19 155:411 156:219
157:337 158:179 159:561 160:347 161:386 162:406
163:179 164:680 165:410 166:563 167:540 168:957
169:124 170:905 171:145 172:5 173:1710 174:631
175:436 176:601 177:1054 178:1694 180:1343 181:129
182:1018 183:226 184:590 186:2120 187:1071 188:1469
189:1553 190:6146 192:5974 193:5468 194:4226 195:3245
196:1217 197:205 198:3694 199:4909 200:5869 201:1964
202:8508 203:8582 204:4338 205:2519 206:2678 207:2799
208:4043 209:3620 210:2746 211:1546 212:2033 213:1809
214:858 215:83 216:5125 217:1537 218:534 219:299
220:1236 221:510 222:301 223:330
End of report