Routing Table Report 08:00 +10GMT Sun 02 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 416514
Prefixes after maximum aggregation: 175539
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206893
Total ASes present in the Internet Routing Table: 38985
Prefixes per ASN: 10.68
Origin-only ASes present in the Internet Routing Table: 33566
Origin ASes announcing only one prefix: 15772
Transit ASes present in the Internet Routing Table: 5419
Transit-only ASes present in the Internet Routing Table: 118
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: 1278
Unregistered ASNs in the Routing Table: 251
Number of 32-bit ASNs allocated by the RIRs: 3203
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7341
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2610987520
Equivalent to 155 /8s, 160 /16s and 130 /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: 144995
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96675
Total APNIC prefixes after maximum aggregation: 31133
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 97869
Unique aggregates announced from the APNIC address blocks: 42553
APNIC Region origin ASes present in the Internet Routing Table: 4690
APNIC Prefixes per ASN: 20.87
APNIC Region origin ASes announcing only one prefix: 1268
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: 705380608
Equivalent to 42 /8s, 11 /16s and 65 /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: 152564
Total ARIN prefixes after maximum aggregation: 77451
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153549
Unique aggregates announced from the ARIN address blocks: 68969
ARIN Region origin ASes present in the Internet Routing Table: 15164
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5745
ARIN Region transit ASes present in the Internet Routing Table: 1520
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: 1083715840
Equivalent to 64 /8s, 152 /16s and 49 /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: 106537
Total RIPE prefixes after maximum aggregation: 56356
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108900
Unique aggregates announced from the RIPE address blocks: 69652
RIPE Region origin ASes present in the Internet Routing Table: 16803
RIPE Prefixes per ASN: 6.48
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2667
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: 642766336
Equivalent to 38 /8s, 79 /16s and 214 /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: 42829
Total LACNIC prefixes after maximum aggregation: 8351
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 45700
Unique aggregates announced from the LACNIC address blocks: 22131
LACNIC Region origin ASes present in the Internet Routing Table: 1622
LACNIC Prefixes per ASN: 28.18
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: 114851584
Equivalent to 6 /8s, 216 /16s and 127 /24s
Percentage of available LACNIC address space announced: 68.5
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: 9842
Total AfriNIC prefixes after maximum aggregation: 2191
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 10325
Unique aggregates announced from the AfriNIC address blocks: 3450
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.60
AfriNIC Region origin ASes announcing only one prefix: 170
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: 41681152
Equivalent to 2 /8s, 124 /16s and 1 /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 2340 702 54 PT Telekomunikasi Indonesia
4766 2081 11111 830 Korea Telecom (KIX)
7545 1743 301 86 TPG Internet Pty Ltd
4755 1591 385 158 TATA Communications formerly
9829 1313 1100 27 National Internet Backbone
9583 1177 87 507 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1038 385 159 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 3376 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 1653 1575 612 Charter Communications
4323 1574 1042 385 tw telecom holdings, inc.
30036 1439 282 722 Mediacom Communications Corp
7018 1260 10332 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 1540 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 685 223 545 Akamai Technologies European
13188 669 100 9 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 2126 362 226 Types of queries are: POCs, o
28573 2125 1248 54 Types of queries are: POCs, o
7303 1564 1034 199 Telecom Argentina S.A.
6503 1512 451 71 Axtel, S.A.B. de C.V.
8151 1427 3014 346 Uninet S.A. de C.V.
6458 834 81 15 Telgua
27947 696 75 89 Telconet S.A
3816 640 262 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 869 275 36 LINKdotNET AS number
8452 852 958 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 3376 990 154 Windstream Communications Inc
6389 3341 3737 185 BellSouth.net Inc.
17974 2340 702 54 PT Telekomunikasi Indonesia
10620 2126 362 226 Types of queries are: POCs, o
28573 2125 1248 54 Types of queries are: POCs, o
18566 2087 382 179 Covad Communications Co.
4766 2081 11111 830 Korea Telecom (KIX)
1785 1949 681 133 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
7545 1743 301 86 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 2340 2286 PT Telekomunikasi Indonesia
28573 2125 2071 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 1743 1657 TPG Internet Pty Ltd
8402 1540 1524 Corbina telecom
6503 1512 1441 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
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.
59457 UNALLOCATED 5.149.68.0/24 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 /14:843 /15:1544 /16:12334 /17:6428 /18:10733
/19:20978 /20:30150 /21:31756 /22:41721 /23:39478 /24:219110
/25:11 /26:22 /27:18 /28:144 /29:163 /30:84
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2750 3376 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1852 3341 BellSouth.net Inc.
30036 1372 1439 Mediacom Communications Corp
8402 1259 1540 Corbina telecom
22773 1174 1824 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
6503 1049 1512 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 2:721 3:1 4:13 5:386 6:3
8:450 12:2003 13:1 14:645 15:11 16:3
17:6 20:27 23:203 24:1800 27:1321 31:1058
32:50 33:2 34:2 36:8 37:745 38:821
39:2 40:133 41:3145 42:159 44:3 46:1591
47:2 49:471 50:592 52:13 54:17 55:5
56:1 57:33 58:935 59:523 60:237 61:1178
62:966 63:1998 64:4253 65:2234 66:4482 67:2035
68:1169 69:3190 70:981 71:520 72:1866 74:2562
75:491 76:326 77:942 78:925 79:488 80:1240
81:953 82:641 83:534 84:513 85:1141 86:482
87:926 88:351 89:1829 90:300 91:5163 92:589
93:1392 94:1572 95:1246 96:414 97:317 98:888
99:36 100:23 101:261 103:1437 105:512 106:117
107:198 108:416 109:1492 110:798 111:954 112:425
113:680 114:653 115:843 116:862 117:726 118:950
119:1201 120:299 121:677 122:1610 123:1171 124:1315
125:1270 128:523 129:179 130:271 131:626 132:293
133:22 134:238 135:61 136:216 137:236 138:339
139:184 140:473 141:278 142:467 143:358 144:477
145:82 146:499 147:253 148:727 149:292 150:151
151:174 152:449 153:177 154:19 155:436 156:219
157:336 158:180 159:561 160:345 161:388 162:401
163:179 164:685 165:411 166:557 167:542 168:953
169:124 170:905 171:145 172:6 173:1712 174:631
175:437 176:612 177:1110 178:1652 180:1347 181:132
182:1019 183:230 184:588 186:2103 187:1243 188:1550
189:1588 190:6150 192:5974 193:5482 194:4245 195:3255
196:1210 197:207 198:3705 199:4911 200:5861 201:1961
202:8495 203:8586 204:4332 205:2522 206:2662 207:2798
208:4049 209:3636 210:2748 211:1546 212:2031 213:1813
214:884 215:85 216:5108 217:1550 218:534 219:299
220:1237 221:515 222:303 223:315
End of report