Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 24 18:02:52 UTC 2017
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,
MENOG, SAFNOG, 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 25 Mar, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 639326
Prefixes after maximum aggregation (per Origin AS): 249732
Deaggregation factor: 2.56
Unique aggregates announced (without unneeded subnets): 309219
Total ASes present in the Internet Routing Table: 56642
Prefixes per ASN: 11.29
Origin-only ASes present in the Internet Routing Table: 49032
Origin ASes announcing only one prefix: 21726
Transit ASes present in the Internet Routing Table: 7610
Transit-only ASes present in the Internet Routing Table: 213
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 41
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 75
Numnber of instances of unregistered ASNs: 76
Number of 32-bit ASNs allocated by the RIRs: 17833
Number of 32-bit ASNs visible in the Routing Table: 13867
Prefixes from 32-bit ASNs in the Routing Table: 56285
Number of bogon 32-bit ASNs visible in the Routing Table: 46
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 412
Number of addresses announced to Internet: 2839257668
Equivalent to 169 /8s, 59 /16s and 162 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.5
Total number of prefixes smaller than registry allocations: 212171
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 175163
Total APNIC prefixes after maximum aggregation: 50255
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 174442
Unique aggregates announced from the APNIC address blocks: 72098
APNIC Region origin ASes present in the Internet Routing Table: 7950
APNIC Prefixes per ASN: 21.94
APNIC Region origin ASes announcing only one prefix: 2232
APNIC Region transit ASes present in the Internet Routing Table: 1126
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 41
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2789
Number of APNIC addresses announced to Internet: 762323332
Equivalent to 45 /8s, 112 /16s and 33 /24s
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, 64297-64395, 131072-137529
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: 195124
Total ARIN prefixes after maximum aggregation: 93482
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 197529
Unique aggregates announced from the ARIN address blocks: 90549
ARIN Region origin ASes present in the Internet Routing Table: 17854
ARIN Prefixes per ASN: 11.06
ARIN Region origin ASes announcing only one prefix: 6629
ARIN Region transit ASes present in the Internet Routing Table: 1771
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1862
Number of ARIN addresses announced to Internet: 1107930528
Equivalent to 66 /8s, 9 /16s and 173 /24s
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, 393216-397212
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: 171945
Total RIPE prefixes after maximum aggregation: 84500
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 167206
Unique aggregates announced from the RIPE address blocks: 101222
RIPE Region origin ASes present in the Internet Routing Table: 23840
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 11007
RIPE Region transit ASes present in the Internet Routing Table: 3375
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 5667
Number of RIPE addresses announced to Internet: 710463104
Equivalent to 42 /8s, 88 /16s and 206 /24s
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, 64396-64495
196608-207259
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: 80179
Total LACNIC prefixes after maximum aggregation: 17733
LACNIC Deaggregation factor: 4.52
Prefixes being announced from the LACNIC address blocks: 81383
Unique aggregates announced from the LACNIC address blocks: 38177
LACNIC Region origin ASes present in the Internet Routing Table: 5728
LACNIC Prefixes per ASN: 14.21
LACNIC Region origin ASes announcing only one prefix: 1539
LACNIC Region transit ASes present in the Internet Routing Table: 1045
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3250
Number of LACNIC addresses announced to Internet: 170312864
Equivalent to 10 /8s, 38 /16s and 196 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-266652 + 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: 16805
Total AfriNIC prefixes after maximum aggregation: 3699
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 18354
Unique aggregates announced from the AfriNIC address blocks: 6815
AfriNIC Region origin ASes present in the Internet Routing Table: 1028
AfriNIC Prefixes per ASN: 17.85
AfriNIC Region origin ASes announcing only one prefix: 319
AfriNIC Region transit ASes present in the Internet Routing Table: 203
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 299
Number of AfriNIC addresses announced to Internet: 87706880
Equivalent to 5 /8s, 58 /16s and 77 /24s
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 5563 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3773 391 262 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2998 905 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2761 11150 755 KIXS-AS-KR Korea Telecom, KR
9829 2719 1499 540 BSNL-NIB National Internet Backbone, IN
9808 2276 8649 45 CMNET-GD Guangdong Mobile Communication
4755 2069 421 220 TATACOMM-AS TATA Communications formerl
45899 1902 1325 112 VNPT-AS-VN VNPT Corp, VN
9583 1571 121 540 SIFY-AS-IN Sify Limited, IN
24560 1563 579 256 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 3678 2969 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3355 1333 83 SHAW - Shaw Communications Inc., CA
18566 2186 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2068 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 1981 2086 407 CHARTER-NET-HKY-NC - Charter Communicat
209 1783 5067 641 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1779 3325 568 AMAZON-02 - Amazon.com, Inc., US
30036 1726 320 391 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1690 854 231 ITCDELTA - Earthlink, Inc., US
701 1577 10586 649 UUNET - MCI Communications Services, In
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 3334 171 18 ALJAWWALSTC-AS, SA
20940 3064 1129 2171 AKAMAI-ASN1, US
9121 2670 1691 17 TTNET, TR
34984 2004 328 382 TELLCOM-AS, TR
8551 1648 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
13188 1647 99 59 TRIOLAN, UA
12479 1533 1043 53 UNI2-AS, ES
12389 1351 1273 553 ROSTELECOM-AS, RU
9198 1306 352 23 KAZTELECOM-AS, KZ
6849 1265 355 21 UKRTELNET, UA
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 3540 545 179 Telmex Colombia S.A., CO
8151 2510 3385 547 Uninet S.A. de C.V., MX
11830 1819 369 57 Instituto Costarricense de Electricidad
7303 1554 1002 247 Telecom Argentina S.A., AR
6503 1542 437 53 Axtel, S.A.B. de C.V., MX
6147 1252 377 27 Telefonica del Peru S.A.A., PE
28573 1066 2292 189 CLARO S.A., BR
3816 1002 479 183 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 990 280 35 Techtel LMDS Comunicaciones Interactiva
17072 936 118 409 TOTAL PLAY TELECOMUNICACIONES SA DE CV,
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 1312 399 43 LINKdotNET-AS, EG
36903 717 360 127 MT-MPLS, MA
37611 698 67 6 Afrihost, ZA
36992 601 1375 26 ETISALAT-MISR, EG
24835 497 722 14 RAYA-AS, EG
8452 442 1474 16 TE-AS TE-AS, EG
37492 399 318 73 ORANGE-, TN
29571 367 36 10 CITelecom-AS, CI
15399 340 35 7 WANANCHI-, KE
2018 287 327 74 TENET-1, ZA
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 5563 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3773 391 262 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3678 2969 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3540 545 179 Telmex Colombia S.A., CO
6327 3355 1333 83 SHAW - Shaw Communications Inc., CA
39891 3334 171 18 ALJAWWALSTC-AS, SA
20940 3064 1129 2171 AKAMAI-ASN1, US
17974 2998 905 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2761 11150 755 KIXS-AS-KR Korea Telecom, KR
9829 2719 1499 540 BSNL-NIB National Internet Backbone, IN
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3678 3526 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3773 3511 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3540 3361 Telmex Colombia S.A., CO
39891 3334 3316 ALJAWWALSTC-AS, SA
6327 3355 3272 SHAW - Shaw Communications Inc., CA
17974 2998 2926 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9121 2670 2653 TTNET, TR
9808 2276 2231 CMNET-GD Guangdong Mobile Communication Co.Ltd.
9829 2719 2179 BSNL-NIB National Internet Backbone, IN
18566 2186 2077 MEGAPATH5-US - MegaPath Corporation, US
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65001 PRIVATE 5.143.176.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US
65001 PRIVATE 31.172.192.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.192.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.200.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.208.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.216.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65555 UNALLOCATED 37.142.172.0/24 21450 MIRS-AS, IL
65555 UNALLOCATED 37.142.175.0/24 21450 MIRS-AS, IL
65001 PRIVATE 46.237.32.0/20 13118 ASN-YARTELECOM PJSC Rostelecom
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.157.128.0/17 393899 -Reserved AS-, ZZ
23.161.128.0/17 393899 -Reserved AS-, ZZ
27.100.7.0/24 56096 UNKNOWN
41.76.232.0/21 203496 AB-TELECOM, RU
41.77.248.0/21 203496 AB-TELECOM, RU
41.78.12.0/23 203496 AB-TELECOM, RU
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.242.132.0/23 203496 AB-TELECOM, RU
43.224.140.0/24 38197 SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited -
43.224.141.0/24 38197 SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited -
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 /11:103 /12:281
/13:538 /14:1050 /15:1824 /16:13235 /17:7569 /18:13369
/19:24586 /20:38323 /21:41168 /22:75594 /23:62679 /24:357567
/25:554 /26:415 /27:296 /28:35 /29:23 /30:25
/31:1 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3147 3355 SHAW - Shaw Communications Inc., CA
39891 2896 3334 ALJAWWALSTC-AS, SA
22773 2848 3678 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2079 2186 MEGAPATH5-US - MegaPath Corporation, US
9121 1886 2670 TTNET, TR
30036 1533 1726 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1457 3540 Telmex Colombia S.A., CO
6389 1375 2068 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
13188 1371 1647 TRIOLAN, UA
6983 1327 1690 ITCDELTA - Earthlink, Inc., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1615 2:844 4:26 5:2484 6:34 8:1057
12:1815 13:92 14:1790 15:22 16:2 17:113
18:129 19:1 20:55 23:2142 24:1856 25:2
27:2373 31:1890 32:89 33:5 35:19 36:386
37:2563 38:1354 39:45 40:100 41:2942 42:460
43:1900 44:64 45:2451 46:2709 47:114 49:1212
50:971 51:18 52:780 54:360 55:7 56:4
57:41 58:1630 59:991 60:388 61:1941 62:1499
63:1923 64:4587 65:2206 66:4545 67:2272 68:1195
69:3333 70:1305 71:578 72:2173 74:2635 75:406
76:425 77:1434 78:1647 79:1316 80:1354 81:1403
82:966 83:724 84:859 85:1757 86:485 87:1146
88:794 89:2056 90:172 91:6138 92:1029 93:2383
94:2380 95:2818 96:570 97:359 98:952 99:85
100:155 101:1256 103:14044 104:2781 105:165 106:489
107:1567 108:821 109:2598 110:1292 111:1719 112:1165
113:1328 114:1029 115:1735 116:1771 117:1688 118:2067
119:1604 120:969 121:1092 122:2358 123:2053 124:1539
125:1821 128:741 129:619 130:418 131:1399 132:521
133:190 134:605 135:221 136:519 137:428 138:1871
139:417 140:374 141:538 142:739 143:921 144:768
145:170 146:1030 147:666 148:1378 149:563 150:703
151:946 152:730 153:306 154:754 155:979 156:563
157:605 158:443 159:1434 160:562 161:735 162:2445
163:521 164:789 165:1199 166:389 167:1235 168:2583
169:771 170:3020 171:285 172:982 173:1812 174:803
175:730 176:1802 177:4022 178:2493 179:1130 180:2183
181:1913 182:2245 183:1050 184:835 185:9163 186:3215
187:2192 188:2506 189:1784 190:8120 191:1281 192:9366
193:5779 194:4661 195:3861 196:1981 197:1252 198:5555
199:5867 200:7421 201:4119 202:10244 203:9801 204:4480
205:2760 206:3004 207:3109 208:3912 209:3965 210:3959
211:2109 212:2802 213:2471 214:856 215:64 216:5929
217:2034 218:834 219:619 220:1705 221:906 222:723
223:1164
End of report
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