[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 17 18:03:36 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 18 Aug, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 710936
Prefixes after maximum aggregation (per Origin AS): 273073
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 341471
Total ASes present in the Internet Routing Table: 61560
Prefixes per ASN: 11.55
Origin-only ASes present in the Internet Routing Table: 53145
Origin ASes announcing only one prefix: 23145
Transit ASes present in the Internet Routing Table: 8415
Transit-only ASes present in the Internet Routing Table: 265
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 64
Number of instances of unregistered ASNs: 64
Number of 32-bit ASNs allocated by the RIRs: 23718
Number of 32-bit ASNs visible in the Routing Table: 19114
Prefixes from 32-bit ASNs in the Routing Table: 80241
Number of bogon 32-bit ASNs visible in the Routing Table: 79
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 273
Number of addresses announced to Internet: 2857353028
Equivalent to 170 /8s, 79 /16s and 191 /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: 99.0
Total number of prefixes smaller than registry allocations: 237374
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 193698
Total APNIC prefixes after maximum aggregation: 55273
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 191862
Unique aggregates announced from the APNIC address blocks: 79147
APNIC Region origin ASes present in the Internet Routing Table: 9007
APNIC Prefixes per ASN: 21.30
APNIC Region origin ASes announcing only one prefix: 2525
APNIC Region transit ASes present in the Internet Routing Table: 1346
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3968
Number of APNIC addresses announced to Internet: 767572739
Equivalent to 45 /8s, 192 /16s and 59 /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: 211280
Total ARIN prefixes after maximum aggregation: 100125
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 211152
Unique aggregates announced from the ARIN address blocks: 100055
ARIN Region origin ASes present in the Internet Routing Table: 18222
ARIN Prefixes per ASN: 11.59
ARIN Region origin ASes announcing only one prefix: 6755
ARIN Region transit ASes present in the Internet Routing Table: 1805
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: 2404
Number of ARIN addresses announced to Internet: 1103306912
Equivalent to 65 /8s, 195 /16s and 32 /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: 194600
Total RIPE prefixes after maximum aggregation: 92972
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 190927
Unique aggregates announced from the RIPE address blocks: 113250
RIPE Region origin ASes present in the Internet Routing Table: 25424
RIPE Prefixes per ASN: 7.51
RIPE Region origin ASes announcing only one prefix: 11458
RIPE Region transit ASes present in the Internet Routing Table: 3531
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7311
Number of RIPE addresses announced to Internet: 713978496
Equivalent to 42 /8s, 142 /16s and 114 /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: 91962
Total LACNIC prefixes after maximum aggregation: 20542
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 93397
Unique aggregates announced from the LACNIC address blocks: 40757
LACNIC Region origin ASes present in the Internet Routing Table: 7426
LACNIC Prefixes per ASN: 12.58
LACNIC Region origin ASes announcing only one prefix: 2016
LACNIC Region transit ASes present in the Internet Routing Table: 1397
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: 4971
Number of LACNIC addresses announced to Internet: 171888672
Equivalent to 10 /8s, 62 /16s and 208 /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: 19331
Total AfriNIC prefixes after maximum aggregation: 4104
AfriNIC Deaggregation factor: 4.71
Prefixes being announced from the AfriNIC address blocks: 23325
Unique aggregates announced from the AfriNIC address blocks: 8018
AfriNIC Region origin ASes present in the Internet Routing Table: 1187
AfriNIC Prefixes per ASN: 19.65
AfriNIC Region origin ASes announcing only one prefix: 391
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: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 460
Number of AfriNIC addresses announced to Internet: 100161536
Equivalent to 5 /8s, 248 /16s and 88 /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 4684 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4414 477 468 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2968 1150 82 VIETEL-AS-AP Viettel Group, VN
4766 2840 11134 766 KIXS-AS-KR Korea Telecom, KR
9829 2812 1497 543 BSNL-NIB National Internet Backbone, IN
45899 2578 1638 157 VNPT-AS-VN VNPT Corp, VN
9394 2544 4907 32 CTTNET China TieTong Telecommunications
17974 2262 962 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2249 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2117 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 3442 1324 82 SHAW - Shaw Communications Inc., CA
22773 3235 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 3041 256 408 CABLEONE - CABLE ONE, INC., US
16509 2258 4807 767 AMAZON-02 - Amazon.com, Inc., US
18566 2166 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2125 2640 488 CHARTER-NET-HKY-NC - Charter Communicat
30036 2022 344 144 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2016 5085 604 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16625 2012 1035 1454 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1765 20206 1280 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 4691 1613 124 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 2804 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2541 621 1889 AKAMAI-ASN1, US
12389 2041 1891 731 ROSTELECOM-AS, RU
34984 2013 335 506 TELLCOM-AS, TR
9121 1824 1692 19 TTNET, TR
13188 1604 100 43 TRIOLAN, UA
8402 1194 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1177 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 5196 3349 607 Uninet S.A. de C.V., MX
10620 3488 532 453 Telmex Colombia S.A., CO
11830 2657 369 78 Instituto Costarricense de Electricidad
6503 1665 444 63 Axtel, S.A.B. de C.V., MX
7303 1429 952 205 Telecom Argentina S.A., AR
28573 1085 2229 181 CLARO S.A., BR
3816 1021 508 129 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 933 377 31 Telefonica del Peru S.A.A., PE
18881 915 1080 32 TELEFÔNICA BRASIL S.A, BR
13999 878 522 248 Mega Cable, S.A. de C.V., MX
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 1184 396 48 LINKdotNET-AS, EG
37611 893 107 9 Afrihost, ZA
36903 778 391 137 MT-MPLS, MA
36992 743 1411 40 ETISALAT-MISR, EG
24835 641 818 18 RAYA-AS, EG
8452 593 1728 14 TE-AS TE-AS, EG
37492 474 470 57 ORANGE-, TN
29571 460 68 12 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 379 231 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 5196 3349 607 Uninet S.A. de C.V., MX
12479 4691 1613 124 UNI2-AS, ES
4538 4684 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4414 477 468 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3488 532 453 Telmex Colombia S.A., CO
6327 3442 1324 82 SHAW - Shaw Communications Inc., CA
22773 3235 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 3041 256 408 CABLEONE - CABLE ONE, INC., US
7552 2968 1150 82 VIETEL-AS-AP Viettel Group, VN
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 4684 4610 ERX-CERNET-BKB China Education and Research Net
12479 4691 4567 UNI2-AS, ES
7545 4414 3946 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3442 3360 SHAW - Shaw Communications Inc., CA
22773 3235 3086 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
10620 3488 3035 Telmex Colombia S.A., CO
7552 2968 2886 VIETEL-AS-AP Viettel Group, VN
8551 2804 2760 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3041 2633 CABLEONE - CABLE ONE, INC., 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
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
64500 DOCUMENT 45.43.56.0/24 135391 AOFEI-HK AOFEI DATA INTERNATIO
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
65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb
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
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
41.78.92.0/22 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
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 /11:99 /12:291
/13:570 /14:1096 /15:1899 /16:13380 /17:7929 /18:13805
/19:25371 /20:39332 /21:45624 /22:88177 /23:71681 /24:399464
/25:800 /26:603 /27:624 /28:35 /29:20 /30:19
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3440 4691 UNI2-AS, ES
6327 3231 3442 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2501 3235 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11492 2413 3041 CABLEONE - CABLE ONE, INC., US
8551 2266 2804 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2060 2166 MEGAPATH5-US - MegaPath Corporation, US
11830 2005 2657 Instituto Costarricense de Electricidad y Telec
30036 1774 2022 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1579 3488 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)
----------------------------------------------
1:1617 2:823 4:19 5:2843 6:43 7:1
8:1126 12:1864 13:211 14:1799 15:32 16:3
17:194 18:54 20:50 23:2478 24:2239 25:2
27:2480 31:2029 32:88 35:29 36:522 37:2891
38:1494 39:254 40:118 41:3168 42:698 43:1965
44:121 45:5346 46:3110 47:198 49:1340 50:1054
51:318 52:1077 54:368 55:1 56:12 57:39
58:1627 59:991 60:402 61:2118 62:1860 63:1789
64:5075 65:2211 66:4722 67:2587 68:1161 69:3299
70:1157 71:582 72:2169 74:2723 75:419 76:463
77:1629 78:1688 79:2131 80:1566 81:1379 82:1051
83:783 84:1033 85:1999 86:566 87:1369 88:909
89:2353 90:215 91:6437 92:1269 93:2379 94:2395
95:2953 96:893 97:356 98:934 99:133 100:85
101:992 102:173 103:18381 104:3565 105:214 106:770
107:1783 108:711 109:3158 110:1642 111:1796 112:1337
113:1301 114:1130 115:1642 116:1646 117:1715 118:2221
119:1670 120:1015 121:1050 122:2418 123:1725 124:1445
125:1916 128:1118 129:680 130:496 131:1631 132:730
133:190 134:1024 135:225 136:504 137:646 138:1950
139:673 140:473 141:734 142:815 143:1013 144:812
145:483 146:1219 147:728 148:1641 149:758 150:751
151:1101 152:827 153:323 154:1493 155:802 156:1452
157:798 158:655 159:1820 160:1306 161:808 162:2622
163:606 164:1083 165:1539 166:462 167:1294 168:3147
169:833 170:3827 171:493 172:1005 173:2056 174:947
175:786 176:1999 177:4033 178:2506 179:1272 180:2180
181:2420 182:2559 183:1237 184:1046 185:13971 186:3563
187:2420 188:2928 189:2029 190:8166 191:1358 192:9828
193:6111 194:5006 195:3985 196:2685 197:1614 198:5578
199:5917 200:7369 201:4974 202:10286 203:10276 204:4583
205:2900 206:3162 207:3208 208:3936 209:4023 210:3878
211:1998 212:3040 213:2823 214:1036 215:55 216:6041
217:2117 218:859 219:568 220:1805 221:995 222:971
223:1377
End of report
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