* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 17 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 414163
Prefixes after maximum aggregation: 175223
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 204356
Total ASes present in the Internet Routing Table: 38919
Prefixes per ASN: 10.64
Origin-only ASes present in the Internet Routing Table: 33486
Origin ASes announcing only one prefix: 15745
Transit ASes present in the Internet Routing Table: 5433
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: 1339
Unregistered ASNs in the Routing Table: 224
Number of 32-bit ASNs allocated by the RIRs: 3129
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7067
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 177
Number of addresses announced to Internet: 2611067904
Equivalent to 155 /8s, 161 /16s and 188 /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: 93.2
Total number of prefixes smaller than registry allocations: 143857
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96243
Total APNIC prefixes after maximum aggregation: 31071
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 97408
Unique aggregates announced from the APNIC address blocks: 42230
APNIC Region origin ASes present in the Internet Routing Table: 4690
APNIC Prefixes per ASN: 20.77
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 740
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: 706034944
Equivalent to 42 /8s, 21 /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: 152289
Total ARIN prefixes after maximum aggregation: 77460
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153387
Unique aggregates announced from the ARIN address blocks: 68740
ARIN Region origin ASes present in the Internet Routing Table: 15160
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5750
ARIN Region transit ASes present in the Internet Routing Table: 1536
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: 1083926784
Equivalent to 64 /8s, 155 /16s and 105 /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: 105691
Total RIPE prefixes after maximum aggregation: 56141
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 107897
Unique aggregates announced from the RIPE address blocks: 67649
RIPE Region origin ASes present in the Internet Routing Table: 16749
RIPE Prefixes per ASN: 6.44
RIPE Region origin ASes announcing only one prefix: 8125
RIPE Region transit ASes present in the Internet Routing Table: 2662
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: 642071296
Equivalent to 38 /8s, 69 /16s and 59 /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: 42410
Total LACNIC prefixes after maximum aggregation: 8303
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 45222
Unique aggregates announced from the LACNIC address blocks: 22153
LACNIC Region origin ASes present in the Internet Routing Table: 1614
LACNIC Prefixes per ASN: 28.02
LACNIC Region origin ASes announcing only one prefix: 431
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: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 114124288
Equivalent to 6 /8s, 205 /16s and 102 /24s
Percentage of available LACNIC address space announced: 68.0
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: 9613
Total AfriNIC prefixes after maximum aggregation: 2193
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 10071
Unique aggregates announced from the AfriNIC address blocks: 3434
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.15
AfriNIC Region origin ASes announcing only one prefix: 168
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: 41654016
Equivalent to 2 /8s, 123 /16s and 151 /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 2341 702 54 PT Telekomunikasi Indonesia
4766 2020 11106 779 Korea Telecom (KIX)
7545 1710 301 88 TPG Internet Pty Ltd
4755 1584 385 156 TATA Communications formerly
9829 1312 1084 31 National Internet Backbone
9583 1169 86 510 Sify Limited
7552 1090 1062 11 Vietel Corporation
24560 1036 385 158 Bharti Airtel Ltd., Telemedia
9498 1000 294 74 BHARTI Airtel Ltd.
4808 969 1942 291 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 3440 990 154 Windstream Communications Inc
6389 3373 3772 193 BellSouth.net Inc.
18566 2088 382 180 Covad Communications Co.
1785 1939 680 130 PaeTec Communications, Inc.
22773 1724 2914 127 Cox Communications Inc.
20115 1647 1572 611 Charter Communications
4323 1571 1042 385 tw telecom holdings, inc.
30036 1416 281 792 Mediacom Communications Corp
7018 1244 10054 814 AT&T Services, Inc.
11492 1194 217 348 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 1429 544 16 Corbina telecom
12479 827 764 85 France Telecom Espana SA
34984 747 189 175 BILISIM TELEKOM
6830 716 2311 447 UPC Broadband
31148 704 37 9 FreeNet ISP
20940 692 228 547 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 601 364 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 2090 355 217 Types of queries are: POCs, o
28573 2039 1242 55 Types of queries are: POCs, o
7303 1563 1033 200 Telecom Argentina S.A.
6503 1522 435 70 Axtel, S.A.B. de C.V.
8151 1331 3018 335 Uninet S.A. de C.V.
6458 883 81 15 Telgua
27947 691 75 90 Telconet S.A
3816 602 255 89 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 893 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 The Internet Solution
12258 195 28 62 Vodacom Internet Company
15706 193 32 6 Sudatel Internet Exchange Aut
33776 193 12 17 Starcomms Nigeria Limited
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 3440 990 154 Windstream Communications Inc
6389 3373 3772 193 BellSouth.net Inc.
17974 2341 702 54 PT Telekomunikasi Indonesia
10620 2090 355 217 Types of queries are: POCs, o
18566 2088 382 180 Covad Communications Co.
28573 2039 1242 55 Types of queries are: POCs, o
4766 2020 11106 779 Korea Telecom (KIX)
1785 1939 680 130 PaeTec Communications, Inc.
22773 1724 2914 127 Cox Communications Inc.
7545 1710 301 88 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 3373 3180 BellSouth.net Inc.
17974 2341 2287 PT Telekomunikasi Indonesia
28573 2039 1984 Types of queries are: POCs, o
18566 2088 1908 Covad Communications Co.
10620 2090 1873 Types of queries are: POCs, o
1785 1939 1809 PaeTec Communications, Inc.
7545 1710 1622 TPG Internet Pty Ltd
22773 1724 1597 Cox Communications Inc.
6503 1522 1452 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
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.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.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
/13:473 /14:849 /15:1539 /16:12325 /17:6408 /18:10688
/19:20869 /20:29970 /21:31566 /22:41388 /23:39392 /24:217729
/25:11 /26:22 /27:18 /28:145 /29:159 /30:83
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2800 3440 Windstream Communications Inc
18566 2038 2088 Covad Communications Co.
6389 1858 3373 BellSouth.net Inc.
30036 1351 1416 Mediacom Communications Corp
8402 1157 1429 Corbina telecom
11492 1157 1194 CABLE ONE, INC.
22773 1131 1724 Cox Communications Inc.
6503 1047 1522 Axtel, S.A.B. de C.V.
1785 1040 1939 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)
----------------------------------------------
1:518 2:690 3:1 4:13 5:353 6:3
8:438 12:1977 13:1 14:627 15:11 16:3
17:6 20:26 23:200 24:1797 27:1326 31:1041
32:51 33:2 34:2 36:8 37:732 38:814
39:2 40:133 41:2849 42:155 44:3 46:1568
47:2 49:436 50:570 52:13 54:15 55:6
56:1 57:38 58:927 59:514 60:234 61:1176
62:948 63:2004 64:4252 65:2246 66:4532 67:2053
68:1156 69:3207 70:986 71:522 72:1865 74:2604
75:489 76:330 77:939 78:913 79:497 80:1234
81:953 82:635 83:535 84:513 85:1137 86:475
87:935 88:345 89:1829 90:296 91:5113 92:589
93:1336 94:1576 95:1227 96:407 97:317 98:902
99:36 100:22 101:257 103:1389 105:512 106:113
107:193 108:407 109:1486 110:792 111:945 112:419
113:668 114:655 115:828 116:870 117:720 118:936
119:1202 120:292 121:682 122:1615 123:1168 124:1316
125:1265 128:489 129:178 130:259 131:629 132:289
133:22 134:235 135:61 136:216 137:236 138:338
139:182 140:473 141:268 142:466 143:358 144:485
145:78 146:504 147:254 148:757 149:299 150:148
151:186 152:455 153:175 154:19 155:409 156:219
157:336 158:179 159:559 160:345 161:388 162:400
163:178 164:673 165:409 166:563 167:535 168:950
169:124 170:909 171:145 172:5 173:1725 174:627
175:429 176:598 177:1024 178:1675 180:1334 181:125
182:1023 183:226 184:586 186:2023 187:1126 188:1457
189:1570 190:6139 192:5965 193:5437 194:4232 195:3237
196:1233 197:202 198:3661 199:4868 200:5924 201:1956
202:8476 203:8578 204:4318 205:2513 206:2722 207:2782
208:4041 209:3618 210:2705 211:1533 212:2024 213:1812
214:877 215:85 216:5097 217:1555 218:534 219:299
220:1236 221:509 222:299 223:362
End of report
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