* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Mon 23 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 469254
Prefixes after maximum aggregation: 189034
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 235871
Total ASes present in the Internet Routing Table: 45645
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 35506
Origin ASes announcing only one prefix: 16266
Transit ASes present in the Internet Routing Table: 5814
Transit-only ASes present in the Internet Routing Table: 152
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 35
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 1033
Unregistered ASNs in the Routing Table: 282
Number of 32-bit ASNs allocated by the RIRs: 5580
Number of 32-bit ASNs visible in the Routing Table: 4325
Prefixes from 32-bit ASNs in the Routing Table: 13518
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1462
Number of addresses announced to Internet: 2658147168
Equivalent to 158 /8s, 112 /16s and 27 /24s
Percentage of available address space announced: 71.8
Percentage of allocated address space announced: 71.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.4
Total number of prefixes smaller than registry allocations: 164000
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108547
Total APNIC prefixes after maximum aggregation: 33521
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110814
Unique aggregates announced from the APNIC address blocks: 47876
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 22.87
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 792
Number of APNIC addresses announced to Internet: 727613184
Equivalent to 43 /8s, 94 /16s and 127 /24s
Percentage of available APNIC address space announced: 85.0
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: 162102
Total ARIN prefixes after maximum aggregation: 81516
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162835
Unique aggregates announced from the ARIN address blocks: 75833
ARIN Region origin ASes present in the Internet Routing Table: 15879
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 5989
ARIN Region transit ASes present in the Internet Routing Table: 1617
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 49
Number of ARIN addresses announced to Internet: 1074415104
Equivalent to 64 /8s, 10 /16s and 70 /24s
Percentage of available ARIN address space announced: 56.8
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: 119502
Total RIPE prefixes after maximum aggregation: 61295
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123178
Unique aggregates announced from the RIPE address blocks: 79294
RIPE Region origin ASes present in the Internet Routing Table: 17557
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8297
RIPE Region transit ASes present in the Internet Routing Table: 2778
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2539
Number of RIPE addresses announced to Internet: 655719008
Equivalent to 39 /8s, 21 /16s and 122 /24s
Percentage of available RIPE address space announced: 95.3
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: 53038
Total LACNIC prefixes after maximum aggregation: 9841
LACNIC Deaggregation factor: 5.39
Prefixes being announced from the LACNIC address blocks: 58379
Unique aggregates announced from the LACNIC address blocks: 27508
LACNIC Region origin ASes present in the Internet Routing Table: 2049
LACNIC Prefixes per ASN: 28.49
LACNIC Region origin ASes announcing only one prefix: 551
LACNIC Region transit ASes present in the Internet Routing Table: 383
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 937
Number of LACNIC addresses announced to Internet: 146971136
Equivalent to 8 /8s, 194 /16s and 154 /24s
Percentage of available LACNIC address space announced: 87.6
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: 11815
Total AfriNIC prefixes after maximum aggregation: 2610
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12586
Unique aggregates announced from the AfriNIC address blocks: 4220
AfriNIC Region origin ASes present in the Internet Routing Table: 695
AfriNIC Prefixes per ASN: 18.11
AfriNIC Region origin ASes announcing only one prefix: 203
AfriNIC Region transit ASes present in the Internet Routing Table: 143
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8
Number of AfriNIC addresses announced to Internet: 48643072
Equivalent to 2 /8s, 230 /16s and 60 /24s
Percentage of available AfriNIC address space announced: 48.3
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 2731 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2156 11550 653 Korea Telecom (KIX)
7545 2106 319 113 TPG Internet Pty Ltd
4755 1788 391 190 TATA Communications formerly
9829 1520 1251 42 BSNL National Internet Backbo
9583 1299 100 535 Sify Limited
9498 1229 309 71 BHARTI Airtel Ltd.
7552 1204 1080 13 Vietel Corporation
24560 1098 382 167 Bharti Airtel Ltd., Telemedia
4808 1084 2024 319 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3027 3688 53 BellSouth.net Inc.
22773 2322 2939 139 Cox Communications, Inc.
1785 2146 687 132 PaeTec Communications, Inc.
18566 2051 379 178 MegaPath Corporation
20115 1682 1664 594 Charter Communications
4323 1639 1097 414 Time Warner Telecom
701 1505 11144 776 MCI Communications Services,
30036 1375 309 574 Mediacom Communications Corp
7018 1316 17764 856 AT&T WorldNet Services
6983 1296 772 581 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1822 544 16 OJSC "Vimpelcom"
34984 1365 243 227 TELLCOM ILETISIM HIZMETLERI A
20940 1212 459 916 Akamai Technologies European
31148 1011 45 19 FreeNet ISP
13188 920 99 40 TOV "Bank-Inform"
6849 860 363 38 JSC UKRTELECOM,
8551 849 370 38 Bezeq International
6830 773 2328 426 UPC Distribution Services
12479 683 798 53 Uni2 Autonomous System
35228 549 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3429 1839 91 NET Servicos de Comunicao S.A
10620 2691 435 209 Telmex Colombia S.A.
18881 1778 908 20 Global Village Telecom
7303 1741 1163 228 Telecom Argentina Stet-France
8151 1358 2855 423 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 829 94 90 Telconet S.A
6503 788 434 61 AVANTEL, S.A.
6147 787 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1819 112 5 Sudanese Mobile Telephone (ZA
24863 890 338 26 LINKdotNET AS number
6713 598 653 27 Itissalat Al-MAGHRIB
8452 419 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
36992 247 526 30 Etisalat MISR
29571 239 21 14 Ci Telecom Autonomous system
15706 219 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3429 1839 91 NET Servicos de Comunicao S.A
6389 3027 3688 53 BellSouth.net Inc.
17974 2731 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2691 435 209 Telmex Colombia S.A.
22773 2322 2939 139 Cox Communications, Inc.
4766 2156 11550 653 Korea Telecom (KIX)
1785 2146 687 132 PaeTec Communications, Inc.
7545 2106 319 113 TPG Internet Pty Ltd
18566 2051 379 178 MegaPath Corporation
8402 1822 544 16 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3027 2974 BellSouth.net Inc.
17974 2731 2643 PT TELEKOMUNIKASI INDONESIA
10620 2691 2482 Telmex Colombia S.A.
22773 2322 2183 Cox Communications, Inc.
1785 2146 2014 PaeTec Communications, Inc.
7545 2106 1993 TPG Internet Pty Ltd
18566 2051 1873 MegaPath Corporation
36998 1819 1814 Sudanese Mobile Telephone (ZA
8402 1822 1806 OJSC "Vimpelcom"
18881 1778 1758 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 3356 Level 3 Communicatio
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/us/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 /8:16 /9:11 /10:31 /11:92 /12:253
/13:468 /14:927 /15:1618 /16:12800 /17:6665 /18:11145
/19:22909 /20:32840 /21:35496 /22:50028 /23:43609 /24:250217
/25:41 /26:34 /27:17 /28:18 /29:8 /30:2
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2006 2051 MegaPath Corporation
36998 1786 1819 Sudanese Mobile Telephone (ZA
6389 1699 3027 BellSouth.net Inc.
22773 1566 2322 Cox Communications, Inc.
8402 1524 1822 OJSC "Vimpelcom"
30036 1216 1375 Mediacom Communications Corp
1785 1163 2146 PaeTec Communications, Inc.
11492 1148 1185 Cable One
6983 1037 1296 ITC^Deltacom
22561 977 1252 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:920 2:836 3:3 4:16 5:827 6:21
8:618 12:1882 13:3 14:875 15:9 16:3
17:20 18:19 20:36 23:615 24:1750 27:1702
31:1514 32:43 33:2 34:5 36:105 37:1951
38:914 39:3 40:182 41:3335 42:236 44:13
46:2097 47:10 49:700 50:854 52:12 54:44
55:5 56:4 57:26 58:1067 59:586 60:369
61:1473 62:1224 63:1979 64:4378 65:2328 66:4131
67:2111 68:1085 69:3295 70:906 71:511 72:2015
74:2578 75:323 76:294 77:1214 78:1012 79:677
80:1278 81:1077 82:639 83:755 84:623 85:1238
86:402 87:1014 88:518 89:1566 90:150 91:5736
92:618 93:1619 94:2097 95:1520 96:519 97:351
98:1077 99:41 100:32 101:445 103:3842 105:535
106:144 107:253 108:528 109:2021 110:956 111:1131
112:588 113:810 114:734 115:1003 116:990 117:800
118:1241 119:1254 120:331 121:734 122:1795 123:1244
124:1349 125:1447 128:602 129:218 130:340 131:661
132:345 133:159 134:298 135:73 136:272 137:246
138:353 139:165 140:174 141:336 142:539 143:403
144:491 145:90 146:554 147:433 148:739 149:352
150:152 151:479 152:412 153:208 154:49 155:519
156:311 157:368 158:286 159:709 160:359 161:448
162:950 163:207 164:658 165:577 166:281 167:641
168:1037 169:119 170:1153 171:185 172:12 173:1705
174:675 175:531 176:1327 177:2600 178:1901 179:347
180:1599 181:912 182:1413 183:475 184:620 185:1146
186:2776 187:1479 188:1928 189:1248 190:7290 192:7016
193:5430 194:4029 195:3393 196:1343 197:1081 198:4733
199:5492 200:6034 201:2542 202:8815 203:8826 204:4464
205:2621 206:2815 207:2747 208:3949 209:3677 210:2941
211:1606 212:2180 213:1971 214:869 215:85 216:5420
217:1721 218:615 219:316 220:1269 221:591 222:330
223:550
End of report
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