* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 10 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 420825
Prefixes after maximum aggregation: 176716
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210235
Total ASes present in the Internet Routing Table: 39158
Prefixes per ASN: 10.75
Origin-only ASes present in the Internet Routing Table: 33683
Origin ASes announcing only one prefix: 15803
Transit ASes present in the Internet Routing Table: 5475
Transit-only ASes present in the Internet Routing Table: 125
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: 1447
Unregistered ASNs in the Routing Table: 324
Number of 32-bit ASNs allocated by the RIRs: 3365
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8072
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2625544448
Equivalent to 156 /8s, 126 /16s and 161 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.7
Total number of prefixes smaller than registry allocations: 145887
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97443
Total APNIC prefixes after maximum aggregation: 30997
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98754
Unique aggregates announced from the APNIC address blocks: 42886
APNIC Region origin ASes present in the Internet Routing Table: 4725
APNIC Prefixes per ASN: 20.90
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 748
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 708958464
Equivalent to 42 /8s, 65 /16s and 217 /24s
Percentage of available APNIC address space announced: 82.9
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: 152858
Total ARIN prefixes after maximum aggregation: 77690
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153732
Unique aggregates announced from the ARIN address blocks: 69330
ARIN Region origin ASes present in the Internet Routing Table: 15199
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5774
ARIN Region transit ASes present in the Internet Routing Table: 1537
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: 1086665216
Equivalent to 64 /8s, 197 /16s and 50 /24s
Percentage of available ARIN address space announced: 57.5
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: 109131
Total RIPE prefixes after maximum aggregation: 57283
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 111799
Unique aggregates announced from the RIPE address blocks: 71800
RIPE Region origin ASes present in the Internet Routing Table: 16863
RIPE Prefixes per ASN: 6.63
RIPE Region origin ASes announcing only one prefix: 8130
RIPE Region transit ASes present in the Internet Routing Table: 2694
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: 647939328
Equivalent to 38 /8s, 158 /16s and 197 /24s
Percentage of available RIPE address space announced: 94.2
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: 43037
Total LACNIC prefixes after maximum aggregation: 8444
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 46343
Unique aggregates announced from the LACNIC address blocks: 22573
LACNIC Region origin ASes present in the Internet Routing Table: 1652
LACNIC Prefixes per ASN: 28.05
LACNIC Region origin ASes announcing only one prefix: 457
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: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 117254912
Equivalent to 6 /8s, 253 /16s and 43 /24s
Percentage of available LACNIC address space announced: 69.9
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: 9565
Total AfriNIC prefixes after maximum aggregation: 2245
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 10037
Unique aggregates announced from the AfriNIC address blocks: 3504
AfriNIC Region origin ASes present in the Internet Routing Table: 561
AfriNIC Prefixes per ASN: 17.89
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 42155008
Equivalent to 2 /8s, 131 /16s and 60 /24s
Percentage of available AfriNIC address space announced: 41.9
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 2364 830 54 PT Telekomunikasi Indonesia
4766 2113 11421 606 Korea Telecom (KIX)
7545 1765 301 87 TPG Internet Pty Ltd
4755 1605 387 162 TATA Communications formerly
9829 1401 1154 41 National Internet Backbone
9583 1227 90 518 Sify Limited
7552 1104 1062 11 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1021 310 74 BHARTI Airtel Ltd.
18101 1015 135 169 Reliance Infocom Ltd Internet
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
6389 3226 3727 172 BellSouth.net Inc.
7029 3165 990 162 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1928 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications Inc.
20115 1655 1582 618 Charter Communications
4323 1576 1170 388 tw telecom holdings, inc.
30036 1353 270 744 Mediacom Communications Corp
7018 1280 10321 853 AT&T Services, Inc.
11492 1201 217 338 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 1623 544 16 Corbina telecom
2118 1396 97 14 EUnet/RELCOM Autonomous Syste
12479 821 769 77 France Telecom Espana SA
34984 793 206 180 BILISIM TELEKOM
6830 729 2313 447 UPC Broadband
31148 724 37 9 FreeNet ISP
13188 696 92 158 Ukraine
20940 684 221 531 Akamai Technologies European
58113 603 67 364 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
10620 2201 379 222 Types of queries are: POCs, o
28573 2126 1277 60 Types of queries are: POCs, o
7303 1566 1035 202 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1446 3052 346 Uninet S.A. de C.V.
27947 704 74 87 Telconet S.A
3816 649 309 69 Types of queries are: POCs, o
11172 592 101 66 Alestra, S. de R.L. de C.V.
14420 589 87 101 CORPORACION NACIONAL DE TELEC
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 891 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 686 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
29571 164 14 18 Ci Telecom Autonomous system
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
6389 3226 3727 172 BellSouth.net Inc.
7029 3165 990 162 Windstream Communications Inc
17974 2364 830 54 PT Telekomunikasi Indonesia
10620 2201 379 222 Types of queries are: POCs, o
28573 2126 1277 60 Types of queries are: POCs, o
4766 2113 11421 606 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1928 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications Inc.
7545 1765 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
7029 3165 3003 Windstream Communications Inc
17974 2364 2310 PT Telekomunikasi Indonesia
28573 2126 2066 Types of queries are: POCs, o
10620 2201 1979 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1928 1800 PaeTec Communications, Inc.
22773 1903 1775 Cox Communications Inc.
7545 1765 1678 TPG Internet Pty Ltd
8402 1623 1607 Corbina telecom
4766 2113 1507 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
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 5.149.64.0/19 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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
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 /8:19 /9:14 /10:30 /11:87 /12:242
/13:475 /14:850 /15:1556 /16:12400 /17:6516 /18:10785
/19:21087 /20:30364 /21:32236 /22:42335 /23:39699 /24:221558
/25:9 /26:13 /27:10 /28:142 /29:171 /30:88
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2648 3165 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1801 3226 BellSouth.net Inc.
8402 1373 1623 Corbina telecom
30036 1284 1353 Mediacom Communications Corp
22773 1244 1903 Cox Communications Inc.
11492 1164 1201 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1017 1928 PaeTec Communications, Inc.
7011 911 1150 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:592 2:690 3:1 4:13 5:552 6:3
8:468 12:1962 13:1 14:650 15:11 16:3
17:6 20:27 23:201 24:1780 27:1367 31:1041
32:49 33:2 34:2 36:7 37:841 38:821
39:2 40:133 41:2755 42:158 44:3 46:1604
47:2 49:451 50:585 52:12 54:24 55:7
56:3 57:31 58:929 59:534 60:231 61:1182
62:950 63:1994 64:4269 65:2226 66:4509 67:2096
68:1146 69:3223 70:986 71:514 72:1866 74:2592
75:486 76:309 77:957 78:960 79:502 80:1250
81:972 82:640 83:539 84:522 85:1158 86:483
87:937 88:362 89:1801 90:304 91:5251 92:583
93:1498 94:1624 95:1102 96:396 97:325 98:966
99:36 100:28 101:264 103:1624 105:512 106:120
107:199 108:454 109:1584 110:805 111:956 112:436
113:710 114:618 115:884 116:869 117:739 118:962
119:1186 120:331 121:676 122:1595 123:1156 124:1297
125:1281 128:495 129:183 130:275 131:632 132:301
133:22 134:242 135:62 136:220 137:236 138:338
139:169 140:471 141:285 142:468 143:383 144:489
145:82 146:500 147:265 148:732 149:327 150:152
151:204 152:449 153:179 154:19 155:393 156:222
157:327 158:258 159:579 160:346 161:386 162:365
163:180 164:555 165:419 166:526 167:553 168:982
169:126 170:896 171:151 172:7 173:1672 174:630
175:428 176:766 177:1266 178:1620 180:1343 181:149
182:1062 183:296 184:605 185:24 186:2232 187:1305
188:1730 189:1589 190:5761 192:5987 193:5762 194:4611
195:3665 196:1233 197:235 198:3783 199:5018 200:5937
201:1954 202:8461 203:8595 204:4320 205:2511 206:2673
207:2771 208:4044 209:3622 210:2765 211:1520 212:2027
213:1820 214:881 215:86 216:5100 217:1572 218:560
219:294 220:1242 221:511 222:302 223:411
End of report
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