[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 29 18:03:11 UTC 2018
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, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 30 Jun, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 704428
Prefixes after maximum aggregation (per Origin AS): 270513
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 338397
Total ASes present in the Internet Routing Table: 61088
Prefixes per ASN: 11.53
Origin-only ASes present in the Internet Routing Table: 52749
Origin ASes announcing only one prefix: 23016
Transit ASes present in the Internet Routing Table: 8339
Transit-only ASes present in the Internet Routing Table: 279
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 35
Max AS path prepend of ASN ( 30873) 28
Prefixes from unregistered ASNs in the Routing Table: 59
Number of instances of unregistered ASNs: 60
Number of 32-bit ASNs allocated by the RIRs: 23121
Number of 32-bit ASNs visible in the Routing Table: 18629
Prefixes from 32-bit ASNs in the Routing Table: 77713
Number of bogon 32-bit ASNs visible in the Routing Table: 19
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 256
Number of addresses announced to Internet: 2858486211
Equivalent to 170 /8s, 97 /16s and 9 /24s
Percentage of available address space announced: 77.2
Percentage of allocated address space announced: 77.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.9
Total number of prefixes smaller than registry allocations: 235143
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 192169
Total APNIC prefixes after maximum aggregation: 54695
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 190813
Unique aggregates announced from the APNIC address blocks: 78049
APNIC Region origin ASes present in the Internet Routing Table: 8917
APNIC Prefixes per ASN: 21.40
APNIC Region origin ASes announcing only one prefix: 2517
APNIC Region transit ASes present in the Internet Routing Table: 1335
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3884
Number of APNIC addresses announced to Internet: 767652354
Equivalent to 45 /8s, 193 /16s and 114 /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: 209432
Total ARIN prefixes after maximum aggregation: 99692
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 209864
Unique aggregates announced from the ARIN address blocks: 99446
ARIN Region origin ASes present in the Internet Routing Table: 18191
ARIN Prefixes per ASN: 11.54
ARIN Region origin ASes announcing only one prefix: 6733
ARIN Region transit ASes present in the Internet Routing Table: 1817
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2370
Number of ARIN addresses announced to Internet: 1102961056
Equivalent to 65 /8s, 189 /16s and 217 /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: 192778
Total RIPE prefixes after maximum aggregation: 92071
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 188916
Unique aggregates announced from the RIPE address blocks: 112121
RIPE Region origin ASes present in the Internet Routing Table: 25232
RIPE Prefixes per ASN: 7.49
RIPE Region origin ASes announcing only one prefix: 11360
RIPE Region transit ASes present in the Internet Routing Table: 3507
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7118
Number of RIPE addresses announced to Internet: 715915648
Equivalent to 42 /8s, 172 /16s and 1 /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: 91081
Total LACNIC prefixes after maximum aggregation: 19997
LACNIC Deaggregation factor: 4.55
Prefixes being announced from the LACNIC address blocks: 92503
Unique aggregates announced from the LACNIC address blocks: 40846
LACNIC Region origin ASes present in the Internet Routing Table: 7275
LACNIC Prefixes per ASN: 12.72
LACNIC Region origin ASes announcing only one prefix: 2021
LACNIC Region transit ASes present in the Internet Routing Table: 1347
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4818
Number of LACNIC addresses announced to Internet: 172429728
Equivalent to 10 /8s, 71 /16s and 17 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-268700 + 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: 18908
Total AfriNIC prefixes after maximum aggregation: 4007
AfriNIC Deaggregation factor: 4.72
Prefixes being announced from the AfriNIC address blocks: 22076
Unique aggregates announced from the AfriNIC address blocks: 7713
AfriNIC Region origin ASes present in the Internet Routing Table: 1163
AfriNIC Prefixes per ASN: 18.98
AfriNIC Region origin ASes announcing only one prefix: 385
AfriNIC Region transit ASes present in the Internet Routing Table: 232
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 439
Number of AfriNIC addresses announced to Internet: 99088128
Equivalent to 5 /8s, 231 /16s and 247 /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 5424 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4313 424 442 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2880 1150 79 VIETEL-AS-AP Viettel Group, VN
4766 2849 11134 761 KIXS-AS-KR Korea Telecom, KR
9829 2812 1497 543 BSNL-NIB National Internet Backbone, IN
9394 2539 4907 31 CTTNET China TieTong Telecommunications
45899 2532 1603 158 VNPT-AS-VN VNPT Corp, VN
17974 2261 930 70 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2245 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2108 417 205 TATACOMM-AS TATA Communications formerl
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
6327 3415 1324 84 SHAW - Shaw Communications Inc., CA
22773 3287 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2365 242 474 CABLEONE - CABLE ONE, INC., US
16509 2197 4716 708 AMAZON-02 - Amazon.com, Inc., US
18566 2170 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2107 2573 472 CHARTER-NET-HKY-NC - Charter Communicat
209 2034 5070 611 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 2000 343 161 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 1953 979 1388 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1744 20203 1273 ATT-INTERNET4 - AT&T Services, Inc., US
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
12479 4417 1604 118 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 2641 377 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2543 627 1874 AKAMAI-ASN1, US
34984 2017 335 496 TELLCOM-AS, TR
12389 2013 1877 708 ROSTELECOM-AS, RU
9121 1894 1692 19 TTNET, TR
13188 1601 100 43 TRIOLAN, UA
8402 1247 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1241 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
8151 4995 3299 584 Uninet S.A. de C.V., MX
10620 3565 542 251 Telmex Colombia S.A., CO
11830 2655 369 78 Instituto Costarricense de Electricidad
6503 1666 443 60 Axtel, S.A.B. de C.V., MX
7303 1507 1026 188 Telecom Argentina S.A., AR
28573 1035 2245 180 CLARO S.A., BR
3816 1008 505 129 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 931 377 31 Telefonica del Peru S.A.A., PE
11172 928 127 86 Alestra, S. de R.L. de C.V., MX
18881 913 1078 30 TELEFÔNICA BRASIL S.A, BR
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 1153 396 48 LINKdotNET-AS, EG
37611 878 107 9 Afrihost, ZA
36903 766 385 138 MT-MPLS, MA
36992 752 1411 39 ETISALAT-MISR, EG
8452 633 1730 18 TE-AS TE-AS, EG
24835 611 818 18 RAYA-AS, EG
37492 472 470 57 ORANGE-, TN
29571 453 68 11 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
15399 374 39 8 WANANCHI-, KE
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 5424 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4995 3299 584 Uninet S.A. de C.V., MX
12479 4417 1604 118 UNI2-AS, ES
7545 4313 424 442 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3565 542 251 Telmex Colombia S.A., CO
6327 3415 1324 84 SHAW - Shaw Communications Inc., CA
22773 3287 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 2880 1150 79 VIETEL-AS-AP Viettel Group, VN
4766 2849 11134 761 KIXS-AS-KR Korea Telecom, KR
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
8151 4995 4411 Uninet S.A. de C.V., MX
12479 4417 4299 UNI2-AS, ES
7545 4313 3871 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3415 3331 SHAW - Shaw Communications Inc., CA
10620 3565 3314 Telmex Colombia S.A., CO
22773 3287 3140 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2880 2801 VIETEL-AS-AP Viettel Group, VN
8551 2641 2598 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2655 2577 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64121 UNALLOCATED 98.159.12.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64140 UNALLOCATED 98.159.14.0/24 64121 UNKNOWN
65544 DOCUMENT 103.197.121.0/24 65542 UNKNOWN
4259905537 PRIVATE 103.250.48.0/24 132917 YELLOWPAGESGROUP-AS-AP Yellow
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.136.0/24 37500 -Reserved AS-, ZZ
41.76.138.0/24 37500 -Reserved AS-, ZZ
41.76.139.0/24 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/24 37500 -Reserved AS-, ZZ
41.76.141.0/24 37500 -Reserved AS-, ZZ
41.76.142.0/24 37500 -Reserved AS-, ZZ
41.76.143.0/24 37500 -Reserved AS-, ZZ
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 /8:14 /9:11 /10:37 /11:99 /12:290
/13:568 /14:1097 /15:1898 /16:13360 /17:7933 /18:13761
/19:25252 /20:39302 /21:45486 /22:87624 /23:71032 /24:394474
/25:820 /26:613 /27:628 /28:35 /29:20 /30:18
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3202 3415 SHAW - Shaw Communications Inc., CA
12479 3160 4417 UNI2-AS, ES
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2549 3287 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2103 2641 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2063 2170 MEGAPATH5-US - MegaPath Corporation, US
11830 2003 2655 Instituto Costarricense de Electricidad y Telec
11492 1916 2365 CABLEONE - CABLE ONE, INC., US
30036 1752 2000 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1612 3565 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1578 2:849 4:18 5:2817 6:41 7:1
8:1124 12:1874 13:196 14:1748 15:30 16:3
17:213 18:54 20:49 23:2625 24:2224 25:2
27:2424 31:2022 32:92 35:27 36:494 37:2771
38:1460 39:229 40:122 41:3104 42:675 43:1932
44:118 45:4832 46:3040 47:201 49:1329 50:1056
51:316 52:1067 54:372 55:3 56:12 57:39
58:1622 59:1000 60:389 61:2102 62:1858 63:1803
64:5066 65:2208 66:4663 67:2438 68:1168 69:3239
70:1158 71:567 72:2112 74:2716 75:422 76:457
77:1553 78:1712 79:1693 80:1510 81:1381 82:1069
83:789 84:1065 85:2012 86:569 87:1307 88:928
89:2343 90:212 91:6387 92:1211 93:2375 94:2389
95:2880 96:731 97:357 98:947 99:133 100:83
101:1232 102:105 103:18036 104:3569 105:213 106:655
107:1780 108:695 109:3396 110:1606 111:1776 112:1283
113:1270 114:1124 115:1661 116:1640 117:1755 118:2160
119:1675 120:992 121:1054 122:2470 123:1778 124:1440
125:1922 128:1080 129:672 130:458 131:1610 132:690
133:195 134:1016 135:224 136:500 137:562 138:1984
139:649 140:453 141:724 142:801 143:980 144:800
145:481 146:1196 147:721 148:1629 149:760 150:735
151:1095 152:793 153:317 154:1213 155:765 156:1120
157:789 158:653 159:1739 160:1168 161:789 162:2589
163:595 164:1064 165:1492 166:449 167:1314 168:3058
169:815 170:3783 171:461 172:1077 173:2007 174:908
175:776 176:1982 177:4050 178:2534 179:1216 180:2191
181:2304 182:2370 183:1193 184:1029 185:13715 186:3599
187:2347 188:2852 189:2114 190:8122 191:1405 192:9829
193:5985 194:4858 195:3978 196:2602 197:1574 198:5545
199:5918 200:7332 201:5006 202:10459 203:10120 204:4581
205:2898 206:3108 207:3187 208:3982 209:3974 210:4047
211:2106 212:3000 213:2768 214:983 215:57 216:5984
217:2122 218:896 219:634 220:1773 221:983 222:1022
223:1297
End of report
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