* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 04 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 416659
Prefixes after maximum aggregation: 175540
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206935
Total ASes present in the Internet Routing Table: 39002
Prefixes per ASN: 10.68
Origin-only ASes present in the Internet Routing Table: 33580
Origin ASes announcing only one prefix: 15783
Transit ASes present in the Internet Routing Table: 5422
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: 25
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1333
Unregistered ASNs in the Routing Table: 260
Number of 32-bit ASNs allocated by the RIRs: 3207
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7367
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 171
Number of addresses announced to Internet: 2610258688
Equivalent to 155 /8s, 149 /16s and 99 /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: 145013
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96673
Total APNIC prefixes after maximum aggregation: 31116
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 97881
Unique aggregates announced from the APNIC address blocks: 42496
APNIC Region origin ASes present in the Internet Routing Table: 4693
APNIC Prefixes per ASN: 20.86
APNIC Region origin ASes announcing only one prefix: 1267
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: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 705505280
Equivalent to 42 /8s, 13 /16s and 40 /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: 152789
Total ARIN prefixes after maximum aggregation: 77473
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153748
Unique aggregates announced from the ARIN address blocks: 69001
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: 1525
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: 1083027712
Equivalent to 64 /8s, 141 /16s and 177 /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: 106379
Total RIPE prefixes after maximum aggregation: 56367
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108752
Unique aggregates announced from the RIPE address blocks: 69701
RIPE Region origin ASes present in the Internet Routing Table: 16816
RIPE Prefixes per ASN: 6.47
RIPE Region origin ASes announcing only one prefix: 8170
RIPE Region transit ASes present in the Internet Routing Table: 2671
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: 642793728
Equivalent to 38 /8s, 80 /16s and 65 /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: 42850
Total LACNIC prefixes after maximum aggregation: 8327
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 45748
Unique aggregates announced from the LACNIC address blocks: 22151
LACNIC Region origin ASes present in the Internet Routing Table: 1621
LACNIC Prefixes per ASN: 28.22
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 304
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: 114653184
Equivalent to 6 /8s, 213 /16s and 120 /24s
Percentage of available LACNIC address space announced: 68.3
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: 9872
Total AfriNIC prefixes after maximum aggregation: 2200
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 10358
Unique aggregates announced from the AfriNIC address blocks: 3447
AfriNIC Region origin ASes present in the Internet Routing Table: 557
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: 117
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: 41691648
Equivalent to 2 /8s, 124 /16s and 42 /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 2081 11111 830 Korea Telecom (KIX)
7545 1748 301 88 TPG Internet Pty Ltd
4755 1592 385 158 TATA Communications formerly
9829 1317 1100 27 National Internet Backbone
9583 1177 87 507 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1002 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 3455 990 154 Windstream Communications Inc
6389 3342 3737 186 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1949 681 133 PaeTec Communications, Inc.
22773 1867 2930 128 Cox Communications Inc.
20115 1655 1575 614 Charter Communications
4323 1574 1042 385 tw telecom holdings, inc.
30036 1439 282 722 Mediacom Communications Corp
7018 1261 10332 833 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 1590 544 16 Corbina telecom
12479 830 766 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 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 2125 362 226 Types of queries are: POCs, o
28573 2098 1248 54 Types of queries are: POCs, o
7303 1564 1034 199 Telecom Argentina S.A.
6503 1525 451 71 Axtel, S.A.B. de C.V.
8151 1429 3014 341 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 870 275 36 LINKdotNET AS number
8452 844 958 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 3455 990 154 Windstream Communications Inc
6389 3342 3737 186 BellSouth.net Inc.
17974 2341 702 54 PT Telekomunikasi Indonesia
10620 2125 362 226 Types of queries are: POCs, o
28573 2098 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 1867 2930 128 Cox Communications Inc.
7545 1748 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 3342 3156 BellSouth.net Inc.
17974 2341 2287 PT Telekomunikasi Indonesia
28573 2098 2044 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
10620 2125 1899 Types of queries are: POCs, o
1785 1949 1816 PaeTec Communications, Inc.
22773 1867 1739 Cox Communications Inc.
7545 1748 1660 TPG Internet Pty Ltd
8402 1590 1574 Corbina telecom
6503 1525 1454 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
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 /11:84 /12:236
/13:473 /14:844 /15:1547 /16:12332 /17:6436 /18:10733
/19:20993 /20:30110 /21:31802 /22:41746 /23:39452 /24:219224
/25:11 /26:22 /27:18 /28:146 /29:161 /30:84
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2811 3455 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1852 3342 BellSouth.net Inc.
30036 1372 1439 Mediacom Communications Corp
8402 1308 1590 Corbina telecom
22773 1215 1867 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
6503 1049 1525 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)
----------------------------------------------
1:537 2:747 3:1 4:13 5:390 6:3
8:450 12:2003 13:1 14:647 15:11 16:3
17:6 20:27 23:203 24:1816 27:1338 31:1059
32:50 33:2 34:2 36:7 37:752 38:821
39:2 40:133 41:3156 42:159 44:3 46:1551
47:2 49:471 50:592 52:13 54:17 55:5
56:1 57:33 58:936 59:525 60:236 61:1181
62:969 63:1999 64:4259 65:2236 66:4480 67:2038
68:1170 69:3190 70:983 71:523 72:1869 74:2564
75:495 76:326 77:941 78:930 79:486 80:1240
81:949 82:641 83:533 84:515 85:1143 86:482
87:926 88:351 89:1796 90:299 91:5174 92:582
93:1357 94:1575 95:1254 96:414 97:316 98:902
99:36 100:23 101:258 103:1448 105:512 106:117
107:198 108:420 109:1488 110:801 111:955 112:426
113:679 114:657 115:845 116:864 117:726 118:946
119:1218 120:299 121:677 122:1610 123:1168 124:1311
125:1270 128:523 129:179 130:271 131:627 132:313
133:22 134:240 135:61 136:216 137:236 138:338
139:185 140:474 141:278 142:467 143:358 144:475
145:82 146:508 147:253 148:747 149:293 150:150
151:174 152:450 153:177 154:19 155:436 156:219
157:336 158:180 159:561 160:342 161:387 162:407
163:179 164:685 165:411 166:562 167:542 168:953
169:124 170:909 171:145 172:6 173:1716 174:629
175:436 176:566 177:1127 178:1653 180:1331 181:132
182:1020 183:229 184:588 186:2173 187:1227 188:1520
189:1574 190:6124 192:5977 193:5514 194:4243 195:3248
196:1217 197:214 198:3707 199:4912 200:5889 201:1958
202:8467 203:8598 204:4334 205:2525 206:2662 207:2799
208:4051 209:3636 210:2752 211:1514 212:2046 213:1810
214:884 215:85 216:5127 217:1549 218:533 219:299
220:1236 221:510 222:303 223:316
End of report
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