Routing Table Report 08:00 +10GMT Sun 02 Feb, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 475203
Prefixes after maximum aggregation: 189846
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 237815
Total ASes present in the Internet Routing Table: 45925
Prefixes per ASN: 10.35
Origin-only ASes present in the Internet Routing Table: 35614
Origin ASes announcing only one prefix: 16405
Transit ASes present in the Internet Routing Table: 5841
Transit-only ASes present in the Internet Routing Table: 146
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 29
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 1820
Unregistered ASNs in the Routing Table: 471
Number of 32-bit ASNs allocated by the RIRs: 5870
Number of 32-bit ASNs visible in the Routing Table: 4470
Prefixes from 32-bit ASNs in the Routing Table: 14124
Number of bogon 32-bit ASNs visible in the Routing Table: 4
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 447
Number of addresses announced to Internet: 2684742656
Equivalent to 160 /8s, 5 /16s and 236 /24s
Percentage of available address space announced: 72.5
Percentage of allocated address space announced: 72.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.7
Total number of prefixes smaller than registry allocations: 165550
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109813
Total APNIC prefixes after maximum aggregation: 33662
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112948
Unique aggregates announced from the APNIC address blocks: 48710
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 23.31
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 803
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 822
Number of APNIC addresses announced to Internet: 729079040
Equivalent to 43 /8s, 116 /16s and 221 /24s
Percentage of available APNIC address space announced: 85.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 163481
Total ARIN prefixes after maximum aggregation: 82154
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 164802
Unique aggregates announced from the ARIN address blocks: 77042
ARIN Region origin ASes present in the Internet Routing Table: 16060
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 6097
ARIN Region transit ASes present in the Internet Routing Table: 1642
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 59
Number of ARIN addresses announced to Internet: 1077178880
Equivalent to 64 /8s, 52 /16s and 114 /24s
Percentage of available ARIN address space announced: 57.0
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, 62464-63487, 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: 121164
Total RIPE prefixes after maximum aggregation: 61552
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 125019
Unique aggregates announced from the RIPE address blocks: 79926
RIPE Region origin ASes present in the Internet Routing Table: 17628
RIPE Prefixes per ASN: 7.09
RIPE Region origin ASes announcing only one prefix: 8333
RIPE Region transit ASes present in the Internet Routing Table: 2792
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2600
Number of RIPE addresses announced to Internet: 656373760
Equivalent to 39 /8s, 31 /16s and 120 /24s
Percentage of available RIPE address space announced: 95.4
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, 61952-62463, 196608-200191
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: 53625
Total LACNIC prefixes after maximum aggregation: 9819
LACNIC Deaggregation factor: 5.46
Prefixes being announced from the LACNIC address blocks: 59082
Unique aggregates announced from the LACNIC address blocks: 27607
LACNIC Region origin ASes present in the Internet Routing Table: 2052
LACNIC Prefixes per ASN: 28.79
LACNIC Region origin ASes announcing only one prefix: 551
LACNIC Region transit ASes present in the Internet Routing Table: 390
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 980
Number of LACNIC addresses announced to Internet: 148952320
Equivalent to 8 /8s, 224 /16s and 213 /24s
Percentage of available LACNIC address space announced: 88.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 12219
Total AfriNIC prefixes after maximum aggregation: 2621
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 12904
Unique aggregates announced from the AfriNIC address blocks: 4156
AfriNIC Region origin ASes present in the Internet Routing Table: 698
AfriNIC Prefixes per ASN: 18.49
AfriNIC Region origin ASes announcing only one prefix: 198
AfriNIC Region transit ASes present in the Internet Routing Table: 145
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 50420736
Equivalent to 3 /8s, 1 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 50.1
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 2741 902 88 PT Telekomunikasi Indonesia
4766 2170 11551 649 Korea Telecom
7545 2127 320 116 TPG Telecom Limited
4755 1830 401 188 TATA Communications formerly
9829 1592 1283 39 National Internet Backbone
9583 1298 102 531 Sify Limited
7552 1234 1080 13 Viettel Corporation
9498 1217 309 70 BHARTI Airtel Ltd.
4808 1097 2023 327 CNCGROUP IP network China169
24560 1094 382 167 Bharti Airtel Ltd., Telemedia
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 3026 3688 53 BellSouth.net Inc.
22773 2327 2940 140 Cox Communications Inc.
1785 2156 689 129 PaeTec Communications, Inc.
18566 2045 379 177 MegaPath Corporation
20115 1684 1664 580 Charter Communications
4323 1637 1105 410 tw telecom holdings, inc.
701 1499 11173 769 MCI Communications Services,
30036 1372 296 567 Mediacom Communications Corp
7018 1302 18022 853 AT&T Services, Inc.
6983 1296 756 581 ITC^Deltacom
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 1721 544 16 OJSC "Vimpelcom"
34984 1395 244 227 TELLCOM ILETISIM HIZMETLERI A
20940 1213 455 912 Akamai International B.V.
13188 1046 100 20 TOV "Bank-Inform"
31148 1014 45 21 Freenet Ltd.
6849 861 362 37 JSC "Ukrtelecom"
8551 837 370 41 Bezeq International-Ltd
6830 773 2327 426 Liberty Global Operations B.V
12479 697 797 55 France Telecom Espana SA
9116 553 326 35 012 Smile Communications Ltd.
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 3339 1878 78 NET Serviços de Comunicação S
10620 2714 437 222 Telmex Colombia S.A.
18881 1834 908 20 Global Village Telecom
7303 1745 1165 220 Telecom Argentina S.A.
8151 1364 2882 422 Uninet S.A. de C.V.
6503 874 434 62 Axtel, S.A.B. de C.V.
11830 869 364 15 Instituto Costarricense de El
7738 847 1626 39 Telemar Norte Leste S.A.
27947 836 94 90 Telconet S.A
6147 767 373 27 Telefonica del Peru S.A.A.
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
36998 1810 240 6 Sudanese Mobile Telephone (ZA
24863 912 380 28 Link Egypt (Link.NET)
6713 602 685 28 Office National des Postes et
8452 480 956 9 TE-AS
24835 298 144 9 Vodafone Data
36992 271 783 24 ETISALAT MISR
3741 246 921 208 Internet Solutions
29571 246 21 14 Cote d'Ivoire Telecom
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
29975 192 668 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
28573 3339 1878 78 NET Serviços de Comunicação S
6389 3026 3688 53 BellSouth.net Inc.
17974 2741 902 88 PT Telekomunikasi Indonesia
10620 2714 437 222 Telmex Colombia S.A.
22773 2327 2940 140 Cox Communications Inc.
4766 2170 11551 649 Korea Telecom
1785 2156 689 129 PaeTec Communications, Inc.
7545 2127 320 116 TPG Telecom Limited
18566 2045 379 177 MegaPath Corporation
18881 1834 908 20 Global Village Telecom
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 3026 2973 BellSouth.net Inc.
17974 2741 2653 PT Telekomunikasi Indonesia
10620 2714 2492 Telmex Colombia S.A.
22773 2327 2187 Cox Communications Inc.
1785 2156 2027 PaeTec Communications, Inc.
7545 2127 2011 TPG Telecom Limited
18566 2045 1868 MegaPath Corporation
18881 1834 1814 Global Village Telecom
36998 1810 1804 Sudanese Mobile Telephone (ZA
8402 1721 1705 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
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 Reserved
100.64.0.0/10 65333 Reserved
169.254.0.0/16 65333 Reserved
172.16.0.0/12 65333 Reserved
192.0.0.0/24 65333 Reserved
192.0.2.0/24 65333 Reserved
192.168.0.0/16 0 *
198.18.0.0/15 65333 Reserved
198.51.100.0/24 65333 Reserved
203.0.113.0/24 65333 Reserved
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 Suburban Telecom
41.73.2.0/24 37004 Suburban Telecom
41.73.10.0/24 37004 Suburban Telecom
41.73.11.0/24 37004 Suburban Telecom
41.73.12.0/24 37004 Suburban Telecom
41.73.13.0/24 37004 Suburban Telecom
41.73.15.0/24 37004 Suburban Telecom
41.73.16.0/24 37004 Suburban Telecom
41.73.18.0/24 37004 Suburban Telecom
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 /8:17 /9:13 /10:31 /11:92 /12:254
/13:473 /14:945 /15:1651 /16:12853 /17:6827 /18:11415
/19:23594 /20:33258 /21:35874 /22:50698 /23:44175 /24:252363
/25:8 /26:11 /27:12 /28:122 /29:218 /30:165
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2000 2045 MegaPath Corporation
36998 1771 1810 Sudanese Mobile Telephone (ZA
6389 1697 3026 BellSouth.net Inc.
22773 1571 2327 Cox Communications Inc.
8402 1417 1721 OJSC "Vimpelcom"
30036 1212 1372 Mediacom Communications Corp
11492 1162 1199 CABLE ONE, INC.
1785 1161 2156 PaeTec Communications, Inc.
6983 1037 1296 ITC^Deltacom
22561 978 1259 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:944 2:811 3:3 4:15 5:890 6:21
8:646 12:1856 13:3 14:896 15:9 16:3
17:24 18:19 20:36 23:666 24:1720 27:1723
31:1524 32:39 33:2 34:5 36:118 37:1882
38:914 39:4 40:189 41:3383 42:242 44:14
46:2138 47:13 49:663 50:898 52:12 54:44
55:5 57:29 58:1061 59:588 60:368 61:1472
62:1207 63:1953 64:4378 65:2299 66:4144 67:2036
68:1022 69:3279 70:881 71:470 72:2004 74:2655
75:312 76:307 77:1145 78:1018 79:690 80:1316
81:1103 82:684 83:743 84:716 85:1262 86:466
87:1032 88:521 89:1734 90:146 91:5714 92:674
93:1634 94:2077 95:1486 96:536 97:351 98:1071
99:39 100:32 101:506 103:4059 105:535 106:143
107:418 108:519 109:2055 110:979 111:1231 112:595
113:807 114:761 115:1040 116:1002 117:803 118:1241
119:1284 120:316 121:758 122:1804 123:1226 124:1355
125:1441 128:584 129:230 130:343 131:654 132:343
133:156 134:306 135:74 136:280 137:287 138:350
139:151 140:176 141:342 142:538 143:406 144:493
145:99 146:586 147:406 148:736 149:343 150:150
151:530 152:420 153:208 154:82 155:515 156:314
157:370 158:292 159:755 160:355 161:456 162:1063
163:201 164:669 165:581 166:274 167:642 168:1036
169:122 170:1172 171:196 172:13 173:1622 174:697
175:546 176:1400 177:2688 178:1948 179:412 180:1611
181:953 182:1370 183:468 184:641 185:1230 186:2767
187:1460 188:2001 189:1263 190:7339 191:41 192:7016
193:5446 194:4006 195:3377 196:1349 197:1141 198:4805
199:5497 200:6022 201:2525 202:8837 203:8827 204:4428
205:2636 206:2853 207:2748 208:3960 209:3640 210:2970
211:1615 212:2225 213:1987 214:866 215:84 216:5481
217:1683 218:598 219:314 220:1267 221:593 222:331
223:573
End of report