Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 8 18:10:30 UTC 2016
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 09 Apr, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 589751
Prefixes after maximum aggregation (per Origin AS): 216647
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 288363
Total ASes present in the Internet Routing Table: 53345
Prefixes per ASN: 11.06
Origin-only ASes present in the Internet Routing Table: 36594
Origin ASes announcing only one prefix: 15723
Transit ASes present in the Internet Routing Table: 6418
Transit-only ASes present in the Internet Routing Table: 174
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 39
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 960
Unregistered ASNs in the Routing Table: 357
Number of 32-bit ASNs allocated by the RIRs: 13382
Number of 32-bit ASNs visible in the Routing Table: 10333
Prefixes from 32-bit ASNs in the Routing Table: 40300
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 396
Number of addresses announced to Internet: 2806952004
Equivalent to 167 /8s, 78 /16s and 176 /24s
Percentage of available address space announced: 75.8
Percentage of allocated address space announced: 75.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.1
Total number of prefixes smaller than registry allocations: 192907
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 151042
Total APNIC prefixes after maximum aggregation: 42035
APNIC Deaggregation factor: 3.59
Prefixes being announced from the APNIC address blocks: 161299
Unique aggregates announced from the APNIC address blocks: 65695
APNIC Region origin ASes present in the Internet Routing Table: 5147
APNIC Prefixes per ASN: 31.34
APNIC Region origin ASes announcing only one prefix: 1185
APNIC Region transit ASes present in the Internet Routing Table: 910
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1975
Number of APNIC addresses announced to Internet: 751850820
Equivalent to 44 /8s, 208 /16s and 85 /24s
Percentage of available APNIC address space announced: 87.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 180298
Total ARIN prefixes after maximum aggregation: 89148
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 185444
Unique aggregates announced from the ARIN address blocks: 87967
ARIN Region origin ASes present in the Internet Routing Table: 16393
ARIN Prefixes per ASN: 11.31
ARIN Region origin ASes announcing only one prefix: 5871
ARIN Region transit ASes present in the Internet Routing Table: 1713
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 37
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1120
Number of ARIN addresses announced to Internet: 1101672000
Equivalent to 65 /8s, 170 /16s and 46 /24s
Percentage of available ARIN address space announced: 58.3
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, 62464-63487, 64198-64296, 393216-395164
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: 141875
Total RIPE prefixes after maximum aggregation: 70011
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 150551
Unique aggregates announced from the RIPE address blocks: 92796
RIPE Region origin ASes present in the Internet Routing Table: 18062
RIPE Prefixes per ASN: 8.34
RIPE Region origin ASes announcing only one prefix: 7904
RIPE Region transit ASes present in the Internet Routing Table: 2997
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4631
Number of RIPE addresses announced to Internet: 704286592
Equivalent to 41 /8s, 250 /16s and 143 /24s
Percentage of available RIPE address space announced: 102.4
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, 196608-204287
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: 61962
Total LACNIC prefixes after maximum aggregation: 12210
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 76046
Unique aggregates announced from the LACNIC address blocks: 35816
LACNIC Region origin ASes present in the Internet Routing Table: 2470
LACNIC Prefixes per ASN: 30.79
LACNIC Region origin ASes announcing only one prefix: 577
LACNIC Region transit ASes present in the Internet Routing Table: 553
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2407
Number of LACNIC addresses announced to Internet: 170680384
Equivalent to 10 /8s, 44 /16s and 96 /24s
Percentage of available LACNIC address space announced: 101.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 14193
Total AfriNIC prefixes after maximum aggregation: 3202
AfriNIC Deaggregation factor: 4.43
Prefixes being announced from the AfriNIC address blocks: 16015
Unique aggregates announced from the AfriNIC address blocks: 5732
AfriNIC Region origin ASes present in the Internet Routing Table: 740
AfriNIC Prefixes per ASN: 21.64
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 170
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 200
Number of AfriNIC addresses announced to Internet: 78087168
Equivalent to 4 /8s, 167 /16s and 132 /24s
Percentage of available AfriNIC address space announced: 77.6
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
4538 5594 4192 76 China Education and Research
7545 3299 353 199 TPG Telecom Limited
4766 3153 11142 1119 Korea Telecom
17974 2920 914 96 PT Telekomunikasi Indonesia
9829 2471 1456 445 National Internet Backbone
4755 2099 432 243 TATA Communications formerly
9808 1855 8717 30 Guangdong Mobile Communicatio
4808 1657 2299 539 CNCGROUP IP network China169
4788 1537 645 62 TM Net, Internet Service Prov
38197 1508 93 203 Sun Network (Hong Kong) Limit
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3355 2948 148 Cox Communications Inc.
6389 2357 3687 42 BellSouth.net Inc.
18566 2209 394 276 MegaPath Corporation
20115 1922 1933 403 Charter Communications
30036 1753 345 215 Mediacom Communications Corp
6983 1691 849 231 EarthLink, Inc.
4323 1568 1004 386 tw telecom holdings, inc.
209 1543 4619 1225 Qwest Communications Company,
701 1399 11446 660 MCI Communications Services,
11492 1271 235 601 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 2708 143 10 SaudiNet, Saudi Telecom Compa
20940 2423 931 1761 Akamai International B.V.
34984 1960 323 413 TELLCOM ILETISIM HIZMETLERI A
8551 1412 376 56 Bezeq International-Ltd
6849 1152 355 21 JSC "Ukrtelecom"
12479 1150 981 86 France Telecom Espana SA
8402 1088 544 15 OJSC "Vimpelcom"
13188 1079 98 69 TOV "Bank-Inform"
31148 1035 47 41 Freenet Ltd.
6830 889 2711 463 Liberty Global Operations B.V
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3439 539 176 Telmex Colombia S.A.
8151 2219 3312 543 Uninet S.A. de C.V.
7303 1510 939 240 Telecom Argentina S.A.
11830 1477 368 51 Instituto Costarricense de El
6503 1434 453 56 Axtel, S.A.B. de C.V.
6147 1055 377 27 Telefonica del Peru S.A.A.
3816 995 478 185 COLOMBIA TELECOMUNICACIONES S
26615 993 2325 34 Tim Celular S.A.
7738 987 1882 40 Telemar Norte Leste S.A.
28573 879 2175 156 NET Serviços de Comunicação S
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1229 402 40 Link Egypt (Link.NET)
37611 643 48 2 Afrihost-Brevis Computer Serv
8452 619 1472 15 TE-AS
36903 585 294 107 Office National des Postes et
36992 509 1357 25 ETISALAT MISR
37492 370 225 65 Orange Tunisie
24835 297 210 13 Vodafone Data
29571 280 37 12 Cote d'Ivoire Telecom
2018 256 327 74 TENET (The UNINET Project)
36947 236 807 13 Telecom Algeria
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
4538 5594 4192 76 China Education and Research
10620 3439 539 176 Telmex Colombia S.A.
22773 3355 2948 148 Cox Communications Inc.
7545 3299 353 199 TPG Telecom Limited
4766 3153 11142 1119 Korea Telecom
17974 2920 914 96 PT Telekomunikasi Indonesia
39891 2708 143 10 SaudiNet, Saudi Telecom Compa
9829 2471 1456 445 National Internet Backbone
20940 2423 931 1761 Akamai International B.V.
6389 2357 3687 42 BellSouth.net Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
10620 3439 3263 Telmex Colombia S.A.
22773 3355 3207 Cox Communications Inc.
7545 3299 3100 TPG Telecom Limited
17974 2920 2824 PT Telekomunikasi Indonesia
39891 2708 2698 SaudiNet, Saudi Telecom Compa
6389 2357 2315 BellSouth.net Inc.
4766 3153 2034 Korea Telecom
9829 2471 2026 National Internet Backbone
18566 2209 1933 MegaPath Corporation
4755 2099 1856 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/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
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited
16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.22.0/24 32787 Prolexic Technologie
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
23.178.0.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
27.100.7.0/24 56096 >>UNKNOWN<<
37.46.10.0/23 36351 SoftLayer Technologies Inc.
37.46.14.0/24 36351 SoftLayer Technologies Inc.
37.46.15.0/24 36351 SoftLayer Technologies Inc.
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/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 /9:13 /10:36 /11:101 /12:267
/13:512 /14:1029 /15:1758 /16:12964 /17:7576 /18:12737
/19:25828 /20:38174 /21:40038 /22:65173 /23:56630 /24:325217
/25:552 /26:595 /27:412 /28:45 /29:31 /30:14
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2708 SaudiNet, Saudi Telecom Compa
22773 2532 3355 Cox Communications Inc.
18566 2111 2209 MegaPath Corporation
30036 1567 1753 Mediacom Communications Corp
6389 1499 2357 BellSouth.net Inc.
6983 1340 1691 EarthLink, Inc.
10620 1340 3439 Telmex Colombia S.A.
34984 1245 1960 TELLCOM ILETISIM HIZMETLERI A
11492 1175 1271 CABLE ONE, INC.
6849 970 1152 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1661 2:735 4:20 5:2046 6:28 8:946
12:1778 13:39 14:1669 15:45 16:2 17:77
18:89 20:48 23:1445 24:1780 27:2281 31:1761
32:54 33:2 34:2 35:5 36:279 37:2263
38:1182 39:24 40:87 41:2781 42:393 43:1704
44:41 45:1783 46:2480 47:74 49:1140 50:844
51:8 52:143 54:220 55:4 56:6 57:45
58:1535 59:873 60:570 61:1814 62:1482 63:1920
64:4473 65:2149 66:4299 67:2170 68:1101 69:3279
70:1063 71:468 72:1984 74:2542 75:340 76:418
77:1340 78:1270 79:837 80:1329 81:1360 82:940
83:687 84:816 85:1580 86:472 87:1015 88:561
89:1947 90:168 91:6058 92:850 93:2319 94:2313
95:2306 96:475 97:358 98:956 99:45 100:71
101:1018 103:10298 104:2347 105:162 106:392 107:1081
108:676 109:2276 110:1259 111:1658 112:960 113:1140
114:1040 115:1699 116:1539 117:1426 118:2151 119:1580
120:521 121:1166 122:2212 123:2009 124:1620 125:1760
128:716 129:381 130:413 131:1316 132:628 133:174
134:451 135:123 136:372 137:349 138:1716 139:239
140:251 141:467 142:642 143:883 144:611 145:162
146:853 147:675 148:1456 149:496 150:653 151:765
152:608 153:277 154:573 155:950 156:491 157:473
158:342 159:1108 160:450 161:740 162:2294 163:547
164:753 165:1039 166:313 167:1103 168:1675 169:638
170:1583 171:271 172:527 173:1697 174:729 175:909
176:1678 177:4076 178:2241 179:1145 180:2064 181:1724
182:1907 183:681 184:788 185:6120 186:3127 187:2117
188:2154 189:1744 190:7700 191:1199 192:8932 193:5723
194:4367 195:3773 196:1713 197:1064 198:5541 199:5655
200:6942 201:3713 202:10112 203:9662 204:4656 205:2702
206:2982 207:3079 208:4060 209:3789 210:3937 211:2011
212:2633 213:2190 214:836 215:72 216:5738 217:1932
218:763 219:567 220:1678 221:858 222:663 223:970
End of report
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