* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 27 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 420094
Prefixes after maximum aggregation: 176269
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 209249
Total ASes present in the Internet Routing Table: 39106
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 33652
Origin ASes announcing only one prefix: 15787
Transit ASes present in the Internet Routing Table: 5454
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1401
Unregistered ASNs in the Routing Table: 303
Number of 32-bit ASNs allocated by the RIRs: 3325
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7857
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 182
Number of addresses announced to Internet: 2618838016
Equivalent to 156 /8s, 24 /16s and 76 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
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: 145984
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97432
Total APNIC prefixes after maximum aggregation: 31019
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98647
Unique aggregates announced from the APNIC address blocks: 42743
APNIC Region origin ASes present in the Internet Routing Table: 4714
APNIC Prefixes per ASN: 20.93
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 745
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: 706241024
Equivalent to 42 /8s, 24 /16s and 98 /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: 152920
Total ARIN prefixes after maximum aggregation: 77584
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153813
Unique aggregates announced from the ARIN address blocks: 69059
ARIN Region origin ASes present in the Internet Routing Table: 15184
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5755
ARIN Region transit ASes present in the Internet Routing Table: 1524
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1084406784
Equivalent to 64 /8s, 162 /16s and 188 /24s
Percentage of available ARIN address space announced: 57.4
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: 108347
Total RIPE prefixes after maximum aggregation: 57080
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 110916
Unique aggregates announced from the RIPE address blocks: 71393
RIPE Region origin ASes present in the Internet Routing Table: 16842
RIPE Prefixes per ASN: 6.59
RIPE Region origin ASes announcing only one prefix: 8146
RIPE Region transit ASes present in the Internet Routing Table: 2674
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 646982400
Equivalent to 38 /8s, 144 /16s and 43 /24s
Percentage of available RIPE address space announced: 94.1
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: 43112
Total LACNIC prefixes after maximum aggregation: 8307
LACNIC Deaggregation factor: 5.19
Prefixes being announced from the LACNIC address blocks: 46333
Unique aggregates announced from the LACNIC address blocks: 22375
LACNIC Region origin ASes present in the Internet Routing Table: 1643
LACNIC Prefixes per ASN: 28.20
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 308
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: 116731136
Equivalent to 6 /8s, 245 /16s and 45 /24s
Percentage of available LACNIC address space announced: 69.6
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: 9738
Total AfriNIC prefixes after maximum aggregation: 2222
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 10202
Unique aggregates announced from the AfriNIC address blocks: 3519
AfriNIC Region origin ASes present in the Internet Routing Table: 564
AfriNIC Prefixes per ASN: 18.09
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 41873408
Equivalent to 2 /8s, 126 /16s and 240 /24s
Percentage of available AfriNIC address space announced: 41.6
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 2355 702 54 PT Telekomunikasi Indonesia
4766 2115 11421 606 Korea Telecom (KIX)
7545 1756 301 88 TPG Internet Pty Ltd
4755 1601 387 161 TATA Communications formerly
9829 1336 1106 41 National Internet Backbone
9583 1184 88 516 Sify Limited
7552 1130 1062 11 Vietel Corporation
24560 1040 386 160 Bharti Airtel Ltd., Telemedia
18101 1016 135 169 Reliance Infocom Ltd Internet
9498 1015 310 74 BHARTI Airtel Ltd.
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 3300 3731 181 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1920 678 128 PaeTec Communications, Inc.
22773 1887 2931 128 Cox Communications Inc.
20115 1662 1582 615 Charter Communications
4323 1573 1169 386 tw telecom holdings, inc.
30036 1387 275 730 Mediacom Communications Corp
7018 1260 10336 840 AT&T Services, Inc.
7011 1204 329 698 Frontier Communications of Am
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 1636 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 846 775 74 France Telecom Espana SA
34984 772 206 181 BILISIM TELEKOM
6830 725 2313 449 UPC Broadband
31148 709 37 9 FreeNet ISP
13188 694 92 153 Ukraine
20940 682 221 540 Akamai Technologies European
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 595 364 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 2164 370 219 Types of queries are: POCs, o
28573 2105 1249 57 Types of queries are: POCs, o
7303 1561 1034 199 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1444 3026 342 Uninet S.A. de C.V.
27947 700 74 87 Telconet S.A
3816 643 310 52 Types of queries are: POCs, o
6458 631 81 15 Telgua
11172 592 101 69 Alestra, S. de R.L. de C.V.
14420 587 86 101 CORPORACION NACIONAL DE TELEC
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 812 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 737 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 264 904 224 The Internet Solution
33776 229 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
15706 192 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
6389 3300 3731 181 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
17974 2355 702 54 PT Telekomunikasi Indonesia
10620 2164 370 219 Types of queries are: POCs, o
4766 2115 11421 606 Korea Telecom (KIX)
28573 2105 1249 57 Types of queries are: POCs, o
18566 2085 382 180 Covad Communications Co.
1785 1920 678 128 PaeTec Communications, Inc.
22773 1887 2931 128 Cox Communications Inc.
7545 1756 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
7029 3164 3003 Windstream Communications Inc
17974 2355 2301 PT Telekomunikasi Indonesia
28573 2105 2048 Types of queries are: POCs, o
10620 2164 1945 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1920 1792 PaeTec Communications, Inc.
22773 1887 1759 Cox Communications Inc.
7545 1756 1668 TPG Internet Pty Ltd
8402 1636 1620 Corbina telecom
4766 2115 1509 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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/21 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
128.0.170.0/24 24685 ISP Elencom autonomous system
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 /11:86 /12:240
/13:474 /14:848 /15:1551 /16:12353 /17:6482 /18:10772
/19:21053 /20:30253 /21:32113 /22:42174 /23:39574 /24:221518
/25:9 /26:13 /27:9 /28:139 /29:157 /30:85
/31:0 /32:128
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3164 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1840 3300 BellSouth.net Inc.
8402 1348 1636 Corbina telecom
30036 1321 1387 Mediacom Communications Corp
22773 1229 1887 Cox Communications Inc.
11492 1162 1199 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1017 1920 PaeTec Communications, Inc.
7011 943 1204 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:576 2:629 3:1 4:13 5:533 6:3
8:462 12:1988 13:1 14:649 15:11 16:3
17:6 20:27 23:202 24:1782 27:1333 31:1038
32:49 33:2 34:2 36:7 37:808 38:821
39:2 40:133 41:3074 42:158 44:3 46:1588
47:2 49:481 50:591 52:13 54:21 55:8
56:1 57:31 58:933 59:534 60:232 61:1179
62:950 63:1979 64:4259 65:2237 66:4493 67:2056
68:1166 69:3234 70:983 71:510 72:1874 74:2628
75:485 76:314 77:958 78:949 79:491 80:1231
81:971 82:638 83:534 84:517 85:1157 86:495
87:925 88:363 89:1820 90:303 91:5229 92:598
93:1424 94:1627 95:1191 96:418 97:322 98:976
99:36 100:23 101:260 103:1558 105:512 106:118
107:198 108:445 109:1524 110:807 111:965 112:439
113:710 114:623 115:874 116:872 117:734 118:957
119:1192 120:301 121:677 122:1592 123:1163 124:1292
125:1273 128:529 129:178 130:269 131:609 132:299
133:22 134:240 135:61 136:215 137:236 138:337
139:169 140:470 141:279 142:466 143:342 144:468
145:81 146:509 147:262 148:733 149:324 150:148
151:194 152:448 153:178 154:19 155:404 156:221
157:327 158:258 159:579 160:342 161:386 162:362
163:180 164:683 165:417 166:529 167:554 168:964
169:125 170:908 171:165 172:6 173:1687 174:621
175:443 176:766 177:1257 178:1610 180:1366 181:137
182:1042 183:294 184:605 185:6 186:2200 187:1265
188:1693 189:1573 190:6003 192:5981 193:5729 194:4554
195:3466 196:1215 197:227 198:3766 199:4992 200:5938
201:1979 202:8537 203:8627 204:4351 205:2520 206:2667
207:2780 208:4057 209:3639 210:2776 211:1523 212:2009
213:1820 214:880 215:85 216:5106 217:1537 218:559
219:298 220:1242 221:513 222:302 223:400
End of report
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