[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 28 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 29 Sep, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 718431
Prefixes after maximum aggregation (per Origin AS): 276135
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 344920
Total ASes present in the Internet Routing Table: 61949
Prefixes per ASN: 11.60
Origin-only ASes present in the Internet Routing Table: 53479
Origin ASes announcing only one prefix: 23303
Transit ASes present in the Internet Routing Table: 8470
Transit-only ASes present in the Internet Routing Table: 258
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: 47
Number of instances of unregistered ASNs: 47
Number of 32-bit ASNs allocated by the RIRs: 24227
Number of 32-bit ASNs visible in the Routing Table: 19553
Prefixes from 32-bit ASNs in the Routing Table: 82433
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 297
Number of addresses announced to Internet: 2854737091
Equivalent to 170 /8s, 39 /16s and 212 /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: 240210
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 195396
Total APNIC prefixes after maximum aggregation: 55713
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 193250
Unique aggregates announced from the APNIC address blocks: 79704
APNIC Region origin ASes present in the Internet Routing Table: 9114
APNIC Prefixes per ASN: 21.20
APNIC Region origin ASes announcing only one prefix: 2559
APNIC Region transit ASes present in the Internet Routing Table: 1363
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4078
Number of APNIC addresses announced to Internet: 767593602
Equivalent to 45 /8s, 192 /16s and 140 /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: 214048
Total ARIN prefixes after maximum aggregation: 101265
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 213746
Unique aggregates announced from the ARIN address blocks: 101660
ARIN Region origin ASes present in the Internet Routing Table: 18250
ARIN Prefixes per ASN: 11.71
ARIN Region origin ASes announcing only one prefix: 6772
ARIN Region transit ASes present in the Internet Routing Table: 1810
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2441
Number of ARIN addresses announced to Internet: 1098335136
Equivalent to 65 /8s, 119 /16s and 67 /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: 196161
Total RIPE prefixes after maximum aggregation: 93683
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 192448
Unique aggregates announced from the RIPE address blocks: 113867
RIPE Region origin ASes present in the Internet Routing Table: 25510
RIPE Prefixes per ASN: 7.54
RIPE Region origin ASes announcing only one prefix: 11484
RIPE Region transit ASes present in the Internet Routing Table: 3525
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: 7425
Number of RIPE addresses announced to Internet: 714730112
Equivalent to 42 /8s, 153 /16s and 234 /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: 93175
Total LACNIC prefixes after maximum aggregation: 21264
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 94556
Unique aggregates announced from the LACNIC address blocks: 41268
LACNIC Region origin ASes present in the Internet Routing Table: 7590
LACNIC Prefixes per ASN: 12.46
LACNIC Region origin ASes announcing only one prefix: 2081
LACNIC Region transit ASes present in the Internet Routing Table: 1430
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5136
Number of LACNIC addresses announced to Internet: 172160544
Equivalent to 10 /8s, 66 /16s and 246 /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: 19603
Total AfriNIC prefixes after maximum aggregation: 4168
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 24134
Unique aggregates announced from the AfriNIC address blocks: 8164
AfriNIC Region origin ASes present in the Internet Routing Table: 1202
AfriNIC Prefixes per ASN: 20.08
AfriNIC Region origin ASes announcing only one prefix: 407
AfriNIC Region transit ASes present in the Internet Routing Table: 244
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 473
Number of AfriNIC addresses announced to Internet: 101476864
Equivalent to 6 /8s, 12 /16s and 106 /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 4448 485 476 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2981 1153 92 VIETEL-AS-AP Viettel Group, VN
4766 2822 11130 764 KIXS-AS-KR Korea Telecom, KR
9829 2807 1495 540 BSNL-NIB National Internet Backbone, IN
45899 2755 1666 158 VNPT-AS-VN VNPT Corp, VN
9394 2589 4907 31 CTTNET China TieTong Telecommunications
9808 2269 8699 26 CMNET-GD Guangdong Mobile Communication
17974 2251 972 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2126 417 203 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
11492 3554 233 463 CABLEONE - CABLE ONE, INC., US
6327 3466 1324 83 SHAW - Shaw Communications Inc., CA
22773 3239 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2303 5003 804 AMAZON-02 - Amazon.com, Inc., US
18566 2160 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2155 2741 519 CHARTER-NET-HKY-NC - Charter Communicat
5650 2082 3074 1461 FRONTIER-FRTR - Frontier Communications
16625 2056 1094 1530 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2051 347 130 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2038 5081 598 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
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 4902 1616 127 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3056 378 51 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2560 592 1911 AKAMAI-ASN1, US
12389 2093 2039 676 ROSTELECOM-AS, RU
34984 2044 337 507 TELLCOM-AS, TR
9121 1978 1691 17 TTNET, TR
13188 1602 100 46 TRIOLAN, UA
8402 1245 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 5438 3307 605 Uninet S.A. de C.V., MX
10620 3195 489 804 Telmex Colombia S.A., CO
11830 2655 370 81 Instituto Costarricense de Electricidad
6503 1654 444 66 Axtel, S.A.B. de C.V., MX
7303 1432 955 206 Telecom Argentina S.A., AR
28573 1102 2231 193 CLARO S.A., BR
3816 1014 509 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 963 377 31 Telefonica del Peru S.A.A., PE
11172 934 144 71 Alestra, S. de R.L. de C.V., MX
18881 919 1114 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 1207 396 48 LINKdotNET-AS, EG
37611 904 107 9 Afrihost, ZA
36903 797 400 139 MT-MPLS, MA
36992 747 1411 41 ETISALAT-MISR, EG
24835 653 802 18 RAYA-AS, EG
8452 594 1728 15 TE-AS TE-AS, EG
37492 464 470 55 ORANGE-, TN
29571 463 70 11 ORANGE-COTE-IVOIRE, CI
37342 394 32 1 MOVITEL, MZ
23889 381 231 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 5438 3307 605 Uninet S.A. de C.V., MX
12479 4902 1616 127 UNI2-AS, ES
4538 4632 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4448 485 476 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3554 233 463 CABLEONE - CABLE ONE, INC., US
6327 3466 1324 83 SHAW - Shaw Communications Inc., CA
22773 3239 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3195 489 804 Telmex Colombia S.A., CO
8551 3056 378 51 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 4902 4775 UNI2-AS, ES
4538 4632 4558 ERX-CERNET-BKB China Education and Research Net
7545 4448 3972 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3466 3383 SHAW - Shaw Communications Inc., CA
11492 3554 3091 CABLEONE - CABLE ONE, INC., US
22773 3239 3083 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3056 3005 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2981 2889 VIETEL-AS-AP Viettel Group, VN
45899 2755 2597 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
64500 DOCUMENT 45.43.56.0/24 45474 NEXUSGUARD-AS-AP Suite 2101~02
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
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
65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom
64643 PRIVATE 119.44.18.0/24 9394 CTTNET China TieTong Telecommu
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
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
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.251.20.0/22 9381 WTT-AS-AP WTT HK Limited, HK
45.121.32.0/22 134356 UNKNOWN
45.121.136.0/22 22552 ESITED - eSited Solutions, US
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
64.28.160.0/20 20475 AS20475 - Global Capacity, LLC, US
64.29.240.0/20 27279 -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
/13:566 /14:1102 /15:1885 /16:13329 /17:7897 /18:13795
/19:25335 /20:39509 /21:45936 /22:89200 /23:73246 /24:403985
/25:816 /26:618 /27:628 /28:38 /29:21 /30:21
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3667 4902 UNI2-AS, ES
6327 3252 3466 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2806 3554 CABLEONE - CABLE ONE, INC., US
8551 2512 3056 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2501 3239 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2054 2160 MEGAPATH5-US - MegaPath Corporation, US
11830 2005 2655 Instituto Costarricense de Electricidad y Telec
30036 1799 2051 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1762 2082 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)
----------------------------------------------
1:1599 2:842 4:18 5:2628 6:42 7:1
8:1131 12:1867 13:211 14:1817 15:33 16:3
17:196 18:55 20:50 23:2495 24:2417 25:2
27:2501 31:1988 32:88 35:29 36:536 37:2847
38:1538 39:261 40:121 41:3168 42:709 43:1946
44:120 45:5631 46:3101 47:216 49:1347 50:1057
51:318 52:1086 54:367 55:2 56:12 57:41
58:1625 59:989 60:417 61:2087 62:1895 63:1797
64:5042 65:2210 66:4827 67:2668 68:1153 69:3365
70:1156 71:576 72:2262 74:2723 75:418 76:457
77:1640 78:1709 79:2235 80:1567 81:1403 82:1061
83:789 84:1046 85:2036 86:560 87:1446 88:954
89:2344 90:207 91:6443 92:1297 93:2395 94:2441
95:3050 96:931 97:353 98:927 99:140 100:86
101:1190 102:233 103:18697 104:3535 105:218 106:769
107:1806 108:707 109:3360 110:1656 111:1811 112:1333
113:1307 114:1129 115:1674 116:1666 117:1791 118:2208
119:1671 120:1081 121:1047 122:2377 123:1644 124:1440
125:1932 128:1178 129:690 130:498 131:1608 132:726
133:191 134:1032 135:236 136:514 137:663 138:1938
139:686 140:548 141:757 142:845 143:1015 144:823
145:496 146:1242 147:737 148:1680 149:769 150:764
151:988 152:862 153:323 154:1859 155:916 156:1472
157:809 158:658 159:1870 160:1470 161:843 162:2663
163:617 164:1089 165:1559 166:454 167:1258 168:3154
169:854 170:3975 171:497 172:1001 173:2089 174:1000
175:806 176:2089 177:4025 178:2517 179:1318 180:2145
181:2440 182:2371 183:1275 184:1135 185:14117 186:3590
187:2531 188:2910 189:2028 190:8182 191:1397 192:9861
193:6276 194:5065 195:4014 196:2778 197:1618 198:5665
199:5980 200:7359 201:4978 202:10231 203:10283 204:4608
205:3000 206:3219 207:3193 208:3935 209:4095 210:3861
211:1997 212:3026 213:2820 214:1044 215:54 216:6028
217:2156 218:864 219:569 220:1797 221:1000 222:983
223:1390
End of report
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