[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 5 18:03:19 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 06 Oct, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 719613
Prefixes after maximum aggregation (per Origin AS): 276479
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 345397
Total ASes present in the Internet Routing Table: 62033
Prefixes per ASN: 11.60
Origin-only ASes present in the Internet Routing Table: 53570
Origin ASes announcing only one prefix: 23365
Transit ASes present in the Internet Routing Table: 8463
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: 36
Max AS path prepend of ASN ( 30873) 34
Prefixes from unregistered ASNs in the Routing Table: 45
Number of instances of unregistered ASNs: 45
Number of 32-bit ASNs allocated by the RIRs: 24323
Number of 32-bit ASNs visible in the Routing Table: 19649
Prefixes from 32-bit ASNs in the Routing Table: 82878
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 282
Number of addresses announced to Internet: 2855171843
Equivalent to 170 /8s, 46 /16s and 119 /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: 99.1
Total number of prefixes smaller than registry allocations: 240471
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 196173
Total APNIC prefixes after maximum aggregation: 55802
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 193872
Unique aggregates announced from the APNIC address blocks: 79906
APNIC Region origin ASes present in the Internet Routing Table: 9145
APNIC Prefixes per ASN: 21.20
APNIC Region origin ASes announcing only one prefix: 2579
APNIC Region transit ASes present in the Internet Routing Table: 1369
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: 4111
Number of APNIC addresses announced to Internet: 767775170
Equivalent to 45 /8s, 195 /16s and 81 /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: 214165
Total ARIN prefixes after maximum aggregation: 101278
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 214003
Unique aggregates announced from the ARIN address blocks: 101771
ARIN Region origin ASes present in the Internet Routing Table: 18264
ARIN Prefixes per ASN: 11.72
ARIN Region origin ASes announcing only one prefix: 6792
ARIN Region transit ASes present in the Internet Routing Table: 1816
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: 2455
Number of ARIN addresses announced to Internet: 1098491808
Equivalent to 65 /8s, 121 /16s and 167 /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: 196442
Total RIPE prefixes after maximum aggregation: 93831
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 192762
Unique aggregates announced from the RIPE address blocks: 113962
RIPE Region origin ASes present in the Internet Routing Table: 25533
RIPE Prefixes per ASN: 7.55
RIPE Region origin ASes announcing only one prefix: 11499
RIPE Region transit ASes present in the Internet Routing Table: 3519
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: 7459
Number of RIPE addresses announced to Internet: 714618496
Equivalent to 42 /8s, 152 /16s and 54 /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: 93183
Total LACNIC prefixes after maximum aggregation: 21345
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 94581
Unique aggregates announced from the LACNIC address blocks: 41323
LACNIC Region origin ASes present in the Internet Routing Table: 7601
LACNIC Prefixes per ASN: 12.44
LACNIC Region origin ASes announcing only one prefix: 2089
LACNIC Region transit ASes present in the Internet Routing Table: 1423
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: 5149
Number of LACNIC addresses announced to Internet: 172320544
Equivalent to 10 /8s, 69 /16s and 103 /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: 19604
Total AfriNIC prefixes after maximum aggregation: 4183
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 24113
Unique aggregates announced from the AfriNIC address blocks: 8183
AfriNIC Region origin ASes present in the Internet Routing Table: 1201
AfriNIC Prefixes per ASN: 20.08
AfriNIC Region origin ASes announcing only one prefix: 406
AfriNIC Region transit ASes present in the Internet Routing Table: 246
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: 475
Number of AfriNIC addresses announced to Internet: 101538304
Equivalent to 6 /8s, 13 /16s and 90 /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 4645 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4450 485 476 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2994 1153 93 VIETEL-AS-AP Viettel Group, VN
4766 2822 11130 764 KIXS-AS-KR Korea Telecom, KR
45899 2762 1674 159 VNPT-AS-VN VNPT Corp, VN
9829 2746 1494 557 BSNL-NIB National Internet Backbone, IN
9394 2589 4907 31 CTTNET China TieTong Telecommunications
9808 2270 8699 26 CMNET-GD Guangdong Mobile Communication
17974 2250 968 51 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2132 421 171 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 3547 229 465 CABLEONE - CABLE ONE, INC., US
6327 3451 1324 83 SHAW - Shaw Communications Inc., CA
22773 3242 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2315 5005 815 AMAZON-02 - Amazon.com, Inc., US
18566 2157 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2153 2739 522 CHARTER-NET-HKY-NC - Charter Communicat
16625 2143 1109 1551 AKAMAI-AS - Akamai Technologies, Inc.,
5650 2085 3074 1461 FRONTIER-FRTR - Frontier Communications
30036 2047 346 149 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2046 5081 602 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 4907 1613 129 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3054 378 50 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2568 592 1915 AKAMAI-ASN1, US
12389 2099 2048 673 ROSTELECOM-AS, RU
34984 2047 337 509 TELLCOM-AS, TR
9121 1837 1691 17 TTNET, TR
13188 1604 100 45 TRIOLAN, UA
8402 1256 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 5401 3302 612 Uninet S.A. de C.V., MX
10620 3195 489 804 Telmex Colombia S.A., CO
11830 2650 370 81 Instituto Costarricense de Electricidad
6503 1648 444 65 Axtel, S.A.B. de C.V., MX
7303 1432 955 206 Telecom Argentina S.A., AR
28573 1120 2238 189 CLARO S.A., BR
6147 1040 377 31 Telefonica del Peru S.A.A., PE
3816 1014 509 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 933 144 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 1205 396 48 LINKdotNET-AS, EG
37611 898 107 9 Afrihost, ZA
36903 795 399 143 MT-MPLS, MA
36992 749 1411 41 ETISALAT-MISR, EG
24835 653 802 18 RAYA-AS, EG
8452 607 1728 15 TE-AS TE-AS, EG
37492 466 470 57 ORANGE-, TN
29571 463 70 11 ORANGE-COTE-IVOIRE, CI
37342 394 32 1 MOVITEL, MZ
23889 375 231 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 5401 3302 612 Uninet S.A. de C.V., MX
12479 4907 1613 129 UNI2-AS, ES
4538 4645 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4450 485 476 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3547 229 465 CABLEONE - CABLE ONE, INC., US
6327 3451 1324 83 SHAW - Shaw Communications Inc., CA
22773 3242 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3195 489 804 Telmex Colombia S.A., CO
8551 3054 378 50 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 4907 4778 UNI2-AS, ES
4538 4645 4571 ERX-CERNET-BKB China Education and Research Net
7545 4450 3974 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3451 3368 SHAW - Shaw Communications Inc., CA
22773 3242 3086 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11492 3547 3082 CABLEONE - CABLE ONE, INC., US
8551 3054 3004 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2994 2901 VIETEL-AS-AP Viettel Group, VN
45899 2762 2603 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
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
64643 PRIVATE 119.44.192.0/22 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
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
64.30.152.0/24 15830 TELECITY-LON, GB
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 /12:290
/13:566 /14:1104 /15:1884 /16:13315 /17:7906 /18:13774
/19:25359 /20:39581 /21:45915 /22:89388 /23:73469 /24:404701
/25:817 /26:618 /27:633 /28:36 /29:21 /30:21
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3684 4907 UNI2-AS, ES
6327 3237 3451 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2800 3547 CABLEONE - CABLE ONE, INC., US
8551 2510 3054 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2504 3242 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2051 2157 MEGAPATH5-US - MegaPath Corporation, US
11830 2000 2650 Instituto Costarricense de Electricidad y Telec
30036 1795 2047 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1762 2085 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)
----------------------------------------------
1:1604 2:883 4:18 5:2660 6:44 7:1
8:1137 12:1864 13:218 14:1829 15:34 16:3
17:194 18:55 20:50 23:2546 24:2431 25:2
27:2512 31:2003 32:84 35:29 36:536 37:2878
38:1547 39:261 40:121 41:3218 42:714 43:1968
44:123 45:5699 46:3090 47:225 49:1348 50:1064
51:318 52:1087 54:364 55:1 56:12 57:39
58:1623 59:986 60:417 61:2090 62:1881 63:1800
64:5054 65:2209 66:4793 67:2680 68:1157 69:3365
70:1155 71:579 72:2256 74:2728 75:420 76:456
77:1647 78:1735 79:2234 80:1568 81:1415 82:1051
83:790 84:1043 85:2038 86:561 87:1489 88:916
89:2349 90:207 91:6440 92:1280 93:2397 94:2440
95:3029 96:934 97:353 98:928 99:142 100:86
101:1188 102:233 103:18831 104:3569 105:218 106:772
107:1805 108:709 109:3362 110:1676 111:1810 112:1332
113:1307 114:1169 115:1684 116:1666 117:1788 118:2208
119:1694 120:1084 121:1046 122:2387 123:1662 124:1444
125:1931 128:1179 129:672 130:500 131:1616 132:726
133:191 134:1033 135:237 136:530 137:658 138:1931
139:695 140:546 141:754 142:840 143:1020 144:844
145:498 146:1237 147:741 148:1685 149:776 150:767
151:997 152:867 153:325 154:1873 155:931 156:1414
157:813 158:661 159:1877 160:1490 161:838 162:2642
163:625 164:1093 165:1555 166:450 167:1258 168:3171
169:850 170:3954 171:497 172:1035 173:2074 174:999
175:806 176:2097 177:4044 178:2521 179:1329 180:2161
181:2442 182:2382 183:1303 184:1146 185:14183 186:3600
187:2474 188:2921 189:2000 190:8187 191:1368 192:9848
193:6287 194:5108 195:4026 196:2757 197:1606 198:5663
199:5948 200:7313 201:4991 202:10262 203:10234 204:4600
205:3001 206:3207 207:3176 208:3932 209:4149 210:3831
211:1986 212:3032 213:2806 214:1045 215:52 216:6012
217:2164 218:868 219:577 220:1802 221:1001 222:986
223:1392
End of report
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