* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 06 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 417144
Prefixes after maximum aggregation: 175737
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 207112
Total ASes present in the Internet Routing Table: 39018
Prefixes per ASN: 10.69
Origin-only ASes present in the Internet Routing Table: 33592
Origin ASes announcing only one prefix: 15780
Transit ASes present in the Internet Routing Table: 5426
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: 1332
Unregistered ASNs in the Routing Table: 263
Number of 32-bit ASNs allocated by the RIRs: 3214
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7444
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 174
Number of addresses announced to Internet: 2612432640
Equivalent to 155 /8s, 182 /16s and 143 /24s
Percentage of available address space announced: 70.5
Percentage of allocated address space announced: 70.6
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: 145261
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96702
Total APNIC prefixes after maximum aggregation: 31189
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 97895
Unique aggregates announced from the APNIC address blocks: 42585
APNIC Region origin ASes present in the Internet Routing Table: 4696
APNIC Prefixes per ASN: 20.85
APNIC Region origin ASes announcing only one prefix: 1265
APNIC Region transit ASes present in the Internet Routing Table: 728
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: 705236480
Equivalent to 42 /8s, 9 /16s and 14 /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: 152793
Total ARIN prefixes after maximum aggregation: 77507
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153766
Unique aggregates announced from the ARIN address blocks: 68986
ARIN Region origin ASes present in the Internet Routing Table: 15165
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5745
ARIN Region transit ASes present in the Internet Routing Table: 1526
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1083192832
Equivalent to 64 /8s, 144 /16s and 54 /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: 106607
Total RIPE prefixes after maximum aggregation: 56459
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 109036
Unique aggregates announced from the RIPE address blocks: 69782
RIPE Region origin ASes present in the Internet Routing Table: 16825
RIPE Prefixes per ASN: 6.48
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2668
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: 643270656
Equivalent to 38 /8s, 87 /16s and 136 /24s
Percentage of available RIPE address space announced: 93.5
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: 42941
Total LACNIC prefixes after maximum aggregation: 8323
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 45883
Unique aggregates announced from the LACNIC address blocks: 22166
LACNIC Region origin ASes present in the Internet Routing Table: 1628
LACNIC Prefixes per ASN: 28.18
LACNIC Region origin ASes announcing only one prefix: 438
LACNIC Region transit ASes present in the Internet Routing Table: 307
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: 115213568
Equivalent to 6 /8s, 222 /16s and 5 /24s
Percentage of available LACNIC address space announced: 68.7
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: 9937
Total AfriNIC prefixes after maximum aggregation: 2202
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 10389
Unique aggregates announced from the AfriNIC address blocks: 3450
AfriNIC Region origin ASes present in the Internet Routing Table: 557
AfriNIC Prefixes per ASN: 18.65
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 41687808
Equivalent to 2 /8s, 124 /16s and 27 /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 2342 702 54 PT Telekomunikasi Indonesia
4766 2080 11111 829 Korea Telecom (KIX)
7545 1747 301 87 TPG Internet Pty Ltd
4755 1594 385 159 TATA Communications formerly
9829 1327 1104 36 National Internet Backbone
9583 1178 87 508 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1003 310 73 BHARTI Airtel Ltd.
4808 975 1969 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 3459 990 154 Windstream Communications Inc
6389 3340 3736 184 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1917 679 129 PaeTec Communications, Inc.
22773 1869 2930 128 Cox Communications Inc.
20115 1658 1578 614 Charter Communications
4323 1576 1042 384 tw telecom holdings, inc.
30036 1431 281 737 Mediacom Communications Corp
7018 1261 10333 834 AT&T Services, Inc.
11492 1198 217 343 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 1595 544 16 Corbina telecom
12479 830 765 82 France Telecom Espana SA
34984 754 205 178 BILISIM TELEKOM
6830 723 2313 447 UPC Broadband
31148 710 37 9 FreeNet ISP
20940 690 224 549 Akamai Technologies European
13188 688 100 9 Ukraine
2118 685 97 14 EUnet/RELCOM Autonomous Syste
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 597 364 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
28573 2141 1248 54 Types of queries are: POCs, o
10620 2131 362 221 Types of queries are: POCs, o
7303 1564 1034 199 Telecom Argentina S.A.
6503 1527 451 71 Axtel, S.A.B. de C.V.
8151 1428 3013 338 Uninet S.A. de C.V.
6458 838 81 15 Telgua
27947 697 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 870 275 36 LINKdotNET AS number
8452 836 958 13 TEDATA
36998 777 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 267 80 8 RAYA Telecom - Egypt
3741 262 904 223 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 3459 990 154 Windstream Communications Inc
6389 3340 3736 184 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
28573 2141 1248 54 Types of queries are: POCs, o
10620 2131 362 221 Types of queries are: POCs, o
18566 2087 382 179 Covad Communications Co.
4766 2080 11111 829 Korea Telecom (KIX)
1785 1917 679 129 PaeTec Communications, Inc.
22773 1869 2930 128 Cox Communications Inc.
7545 1747 301 87 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 3340 3156 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2141 2087 Types of queries are: POCs, o
10620 2131 1910 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
1785 1917 1788 PaeTec Communications, Inc.
22773 1869 1741 Cox Communications Inc.
7545 1747 1660 TPG Internet Pty Ltd
8402 1595 1579 Corbina telecom
6503 1527 1456 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
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59441 UNALLOCATED 5.144.130.0/24 51074 Gostaresh Ertebatate
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.
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
5.207.0.0/16 21497 UMC Autonomous System
5.208.0.0/12 51074 Gostaresh Ertebatate Mabna Co
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 /8:19 /9:14 /10:30 /11:84 /12:237
/13:473 /14:843 /15:1550 /16:12344 /17:6439 /18:10739
/19:20993 /20:30153 /21:31842 /22:41866 /23:39496 /24:219447
/25:10 /26:17 /27:16 /28:144 /29:162 /30:84
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2815 3459 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1852 3340 BellSouth.net Inc.
30036 1364 1431 Mediacom Communications Corp
8402 1316 1595 Corbina telecom
22773 1217 1869 Cox Communications Inc.
11492 1161 1198 CABLE ONE, INC.
6503 1049 1527 Axtel, S.A.B. de C.V.
1785 1014 1917 PaeTec Communications, Inc.
7011 927 1187 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:538 2:744 3:1 4:13 5:426 6:3
8:452 12:2002 13:1 14:646 15:11 16:3
17:6 20:27 23:203 24:1819 27:1325 31:1043
32:51 33:2 34:2 36:7 37:757 38:822
39:2 40:133 41:3162 42:158 44:3 46:1528
47:2 49:467 50:588 52:13 54:17 55:6
56:1 57:36 58:937 59:524 60:236 61:1182
62:963 63:2000 64:4259 65:2237 66:4480 67:2045
68:1170 69:3188 70:984 71:523 72:1870 74:2561
75:495 76:323 77:943 78:933 79:485 80:1226
81:951 82:647 83:533 84:517 85:1154 86:485
87:925 88:351 89:1791 90:301 91:5193 92:580
93:1370 94:1632 95:1254 96:414 97:318 98:894
99:36 100:23 101:260 103:1463 105:512 106:118
107:198 108:421 109:1495 110:791 111:956 112:428
113:676 114:652 115:844 116:863 117:728 118:951
119:1202 120:300 121:676 122:1612 123:1161 124:1310
125:1270 128:522 129:179 130:269 131:627 132:287
133:22 134:241 135:61 136:216 137:233 138:341
139:185 140:475 141:279 142:467 143:358 144:482
145:80 146:507 147:260 148:744 149:311 150:151
151:174 152:450 153:182 154:19 155:435 156:219
157:334 158:184 159:562 160:343 161:389 162:407
163:179 164:686 165:410 166:562 167:545 168:954
169:124 170:905 171:149 172:6 173:1725 174:620
175:435 176:568 177:1122 178:1653 180:1352 181:134
182:1020 183:227 184:593 186:2199 187:1228 188:1544
189:1580 190:6104 192:5964 193:5534 194:4235 195:3244
196:1209 197:216 198:3718 199:4915 200:5890 201:1968
202:8469 203:8595 204:4336 205:2527 206:2659 207:2799
208:4050 209:3639 210:2763 211:1514 212:2038 213:1809
214:878 215:85 216:5129 217:1557 218:534 219:299
220:1234 221:511 222:303 223:367
End of report
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