[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 14 18:03:12 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 15 Sep, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 715632
Prefixes after maximum aggregation (per Origin AS): 274995
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 343809
Total ASes present in the Internet Routing Table: 61843
Prefixes per ASN: 11.57
Origin-only ASes present in the Internet Routing Table: 53396
Origin ASes announcing only one prefix: 23286
Transit ASes present in the Internet Routing Table: 8447
Transit-only ASes present in the Internet Routing Table: 259
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 36
Max AS path prepend of ASN ( 30873) 34
Prefixes from unregistered ASNs in the Routing Table: 69
Number of instances of unregistered ASNs: 69
Number of 32-bit ASNs allocated by the RIRs: 24086
Number of 32-bit ASNs visible in the Routing Table: 19447
Prefixes from 32-bit ASNs in the Routing Table: 81493
Number of bogon 32-bit ASNs visible in the Routing Table: 25
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 324
Number of addresses announced to Internet: 2853242180
Equivalent to 170 /8s, 17 /16s and 5 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.0
Total number of prefixes smaller than registry allocations: 239222
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 195042
Total APNIC prefixes after maximum aggregation: 55503
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 193100
Unique aggregates announced from the APNIC address blocks: 79556
APNIC Region origin ASes present in the Internet Routing Table: 9093
APNIC Prefixes per ASN: 21.24
APNIC Region origin ASes announcing only one prefix: 2555
APNIC Region transit ASes present in the Internet Routing Table: 1365
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4053
Number of APNIC addresses announced to Internet: 768098051
Equivalent to 45 /8s, 200 /16s and 63 /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, 131072-139577
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: 212696
Total ARIN prefixes after maximum aggregation: 100695
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 212454
Unique aggregates announced from the ARIN address blocks: 100997
ARIN Region origin ASes present in the Internet Routing Table: 18246
ARIN Prefixes per ASN: 11.64
ARIN Region origin ASes announcing only one prefix: 6772
ARIN Region transit ASes present in the Internet Routing Table: 1809
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2431
Number of ARIN addresses announced to Internet: 1097187744
Equivalent to 65 /8s, 101 /16s and 193 /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, 393216-399260
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: 195831
Total RIPE prefixes after maximum aggregation: 93419
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 192076
Unique aggregates announced from the RIPE address blocks: 113790
RIPE Region origin ASes present in the Internet Routing Table: 25466
RIPE Prefixes per ASN: 7.54
RIPE Region origin ASes announcing only one prefix: 11474
RIPE Region transit ASes present in the Internet Routing Table: 3521
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7397
Number of RIPE addresses announced to Internet: 714375296
Equivalent to 42 /8s, 148 /16s and 128 /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
196608-210331
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: 92435
Total LACNIC prefixes after maximum aggregation: 21188
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 93843
Unique aggregates announced from the LACNIC address blocks: 41083
LACNIC Region origin ASes present in the Internet Routing Table: 7551
LACNIC Prefixes per ASN: 12.43
LACNIC Region origin ASes announcing only one prefix: 2079
LACNIC Region transit ASes present in the Internet Routing Table: 1421
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5095
Number of LACNIC addresses announced to Internet: 172151840
Equivalent to 10 /8s, 66 /16s and 212 /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: 19558
Total AfriNIC prefixes after maximum aggregation: 4129
AfriNIC Deaggregation factor: 4.74
Prefixes being announced from the AfriNIC address blocks: 23835
Unique aggregates announced from the AfriNIC address blocks: 8111
AfriNIC Region origin ASes present in the Internet Routing Table: 1201
AfriNIC Prefixes per ASN: 19.85
AfriNIC Region origin ASes announcing only one prefix: 406
AfriNIC Region transit ASes present in the Internet Routing Table: 240
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 471
Number of AfriNIC addresses announced to Internet: 100971520
Equivalent to 6 /8s, 4 /16s and 180 /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 4632 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4435 483 475 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2988 1154 90 VIETEL-AS-AP Viettel Group, VN
9829 2811 1495 540 BSNL-NIB National Internet Backbone, IN
4766 2804 11135 772 KIXS-AS-KR Korea Telecom, KR
45899 2746 1658 158 VNPT-AS-VN VNPT Corp, VN
9394 2610 4907 31 CTTNET China TieTong Telecommunications
9808 2264 8699 26 CMNET-GD Guangdong Mobile Communication
17974 2256 962 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2121 417 204 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 3467 1324 84 SHAW - Shaw Communications Inc., CA
11492 3404 236 494 CABLEONE - CABLE ONE, INC., US
22773 3237 2971 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2285 4938 793 AMAZON-02 - Amazon.com, Inc., US
18566 2165 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2157 2741 512 CHARTER-NET-HKY-NC - Charter Communicat
30036 2043 347 135 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2040 5084 603 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16625 1980 1056 1472 AKAMAI-AS - Akamai Technologies, Inc.,
5650 1887 3224 1320 FRONTIER-FRTR - Frontier Communications
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 4853 1616 127 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3062 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2567 618 1912 AKAMAI-ASN1, US
12389 2049 1919 729 ROSTELECOM-AS, RU
34984 2036 336 508 TELLCOM-AS, TR
9121 1866 1691 17 TTNET, TR
13188 1604 100 43 TRIOLAN, UA
8402 1255 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 5275 3339 600 Uninet S.A. de C.V., MX
10620 3221 493 777 Telmex Colombia S.A., CO
11830 2654 370 81 Instituto Costarricense de Electricidad
6503 1654 444 66 Axtel, S.A.B. de C.V., MX
7303 1431 954 205 Telecom Argentina S.A., AR
28573 1094 2231 192 CLARO S.A., BR
3816 1016 509 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 937 377 31 Telefonica del Peru S.A.A., PE
11172 933 128 70 Alestra, S. de R.L. de C.V., MX
18881 917 1098 28 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 1195 396 48 LINKdotNET-AS, EG
37611 901 107 9 Afrihost, ZA
36903 778 391 137 MT-MPLS, MA
36992 750 1411 41 ETISALAT-MISR, EG
24835 643 818 18 RAYA-AS, EG
8452 602 1728 14 TE-AS TE-AS, EG
37492 473 470 57 ORANGE-, TN
29571 463 70 11 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 376 231 15 MauritiusTelecom, MU
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
8151 5275 3339 600 Uninet S.A. de C.V., MX
12479 4853 1616 127 UNI2-AS, ES
4538 4632 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4435 483 475 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3467 1324 84 SHAW - Shaw Communications Inc., CA
11492 3404 236 494 CABLEONE - CABLE ONE, INC., US
22773 3237 2971 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3221 493 777 Telmex Colombia S.A., CO
8551 3062 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 4853 4726 UNI2-AS, ES
4538 4632 4558 ERX-CERNET-BKB China Education and Research Net
7545 4435 3960 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3467 3383 SHAW - Shaw Communications Inc., CA
22773 3237 3082 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3062 3018 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3404 2910 CABLEONE - CABLE ONE, INC., US
7552 2988 2898 VIETEL-AS-AP Viettel Group, VN
45899 2746 2588 VNPT-AS-VN VNPT Corp, VN
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
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
4200003000 PRIVATE 47.89.98.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
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
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 /10:36 /11:98 /12:289
/13:564 /14:1097 /15:1889 /16:13340 /17:7916 /18:13812
/19:25359 /20:39533 /21:45768 /22:88785 /23:72679 /24:402263
/25:802 /26:612 /27:633 /28:36 /29:21 /30:19
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3602 4853 UNI2-AS, ES
6327 3255 3467 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2714 3404 CABLEONE - CABLE ONE, INC., US
8551 2524 3062 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2501 3237 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2059 2165 MEGAPATH5-US - MegaPath Corporation, US
11830 2004 2654 Instituto Costarricense de Electricidad y Telec
30036 1791 2043 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1554 1887 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1594 2:844 4:18 5:2817 6:44 7:1
8:1134 12:1868 13:211 14:1813 15:34 16:3
17:196 18:55 20:50 23:2450 24:2357 25:2
27:2481 31:1978 32:88 35:29 36:535 37:2841
38:1533 39:261 40:112 41:3234 42:708 43:1940
44:115 45:5481 46:3116 47:211 49:1347 50:1053
51:318 52:1087 54:367 55:1 56:8 57:38
58:1622 59:992 60:410 61:2114 62:1899 63:1799
64:5050 65:2219 66:4698 67:2652 68:1153 69:3366
70:1157 71:576 72:2218 74:2727 75:417 76:457
77:1635 78:1715 79:2237 80:1572 81:1398 82:1061
83:787 84:1038 85:2015 86:569 87:1419 88:926
89:2343 90:211 91:6433 92:1263 93:2384 94:2449
95:3002 96:933 97:355 98:928 99:138 100:86
101:1189 102:203 103:18653 104:3533 105:218 106:762
107:1797 108:709 109:3323 110:1647 111:1793 112:1342
113:1305 114:1143 115:1674 116:1657 117:1777 118:2206
119:1662 120:1042 121:1046 122:2424 123:1645 124:1420
125:1927 128:1122 129:677 130:492 131:1622 132:728
133:191 134:1030 135:236 136:502 137:654 138:1941
139:680 140:484 141:746 142:842 143:1034 144:819
145:481 146:1249 147:740 148:1670 149:769 150:761
151:1099 152:841 153:324 154:1703 155:804 156:1447
157:804 158:660 159:1849 160:1389 161:830 162:2662
163:607 164:1084 165:1551 166:454 167:1215 168:3211
169:846 170:3988 171:494 172:1003 173:2098 174:992
175:803 176:2077 177:3924 178:2519 179:1259 180:2183
181:2417 182:2579 183:1253 184:1078 185:14086 186:3555
187:2502 188:2898 189:1999 190:8207 191:1386 192:9832
193:6163 194:5032 195:4001 196:2728 197:1606 198:5596
199:5948 200:7332 201:4973 202:10240 203:10288 204:4589
205:2872 206:3224 207:3195 208:3921 209:4085 210:3892
211:1998 212:3022 213:2821 214:1047 215:54 216:6025
217:2128 218:866 219:566 220:1797 221:999 222:988
223:1392
End of report
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