[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 9 18:03:18 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 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 10 Nov, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 724810
Prefixes after maximum aggregation (per Origin AS): 278850
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 347882
Total ASes present in the Internet Routing Table: 62367
Prefixes per ASN: 11.62
Origin-only ASes present in the Internet Routing Table: 53812
Origin ASes announcing only one prefix: 23367
Transit ASes present in the Internet Routing Table: 8555
Transit-only ASes present in the Internet Routing Table: 262
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: 34
Number of instances of unregistered ASNs: 34
Number of 32-bit ASNs allocated by the RIRs: 24790
Number of 32-bit ASNs visible in the Routing Table: 20041
Prefixes from 32-bit ASNs in the Routing Table: 85558
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 269
Number of addresses announced to Internet: 2861029537
Equivalent to 170 /8s, 135 /16s and 216 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
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: 241600
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 198132
Total APNIC prefixes after maximum aggregation: 56287
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 195616
Unique aggregates announced from the APNIC address blocks: 80344
APNIC Region origin ASes present in the Internet Routing Table: 9222
APNIC Prefixes per ASN: 21.21
APNIC Region origin ASes announcing only one prefix: 2585
APNIC Region transit ASes present in the Internet Routing Table: 1370
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: 4202
Number of APNIC addresses announced to Internet: 768556928
Equivalent to 45 /8s, 207 /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: 215182
Total ARIN prefixes after maximum aggregation: 102100
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 214589
Unique aggregates announced from the ARIN address blocks: 102000
ARIN Region origin ASes present in the Internet Routing Table: 18281
ARIN Prefixes per ASN: 11.74
ARIN Region origin ASes announcing only one prefix: 6794
ARIN Region transit ASes present in the Internet Routing Table: 1839
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2490
Number of ARIN addresses announced to Internet: 1101801632
Equivalent to 65 /8s, 172 /16s and 40 /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: 197855
Total RIPE prefixes after maximum aggregation: 94547
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 194252
Unique aggregates announced from the RIPE address blocks: 115052
RIPE Region origin ASes present in the Internet Routing Table: 25619
RIPE Prefixes per ASN: 7.58
RIPE Region origin ASes announcing only one prefix: 11474
RIPE Region transit ASes present in the Internet Routing Table: 3530
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: 7567
Number of RIPE addresses announced to Internet: 715381888
Equivalent to 42 /8s, 163 /16s and 220 /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: 93832
Total LACNIC prefixes after maximum aggregation: 21694
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 95274
Unique aggregates announced from the LACNIC address blocks: 41681
LACNIC Region origin ASes present in the Internet Routing Table: 7748
LACNIC Prefixes per ASN: 12.30
LACNIC Region origin ASes announcing only one prefix: 2108
LACNIC Region transit ASes present in the Internet Routing Table: 1472
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5294
Number of LACNIC addresses announced to Internet: 172547328
Equivalent to 10 /8s, 72 /16s and 221 /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: 19774
Total AfriNIC prefixes after maximum aggregation: 4194
AfriNIC Deaggregation factor: 4.71
Prefixes being announced from the AfriNIC address blocks: 24810
Unique aggregates announced from the AfriNIC address blocks: 8562
AfriNIC Region origin ASes present in the Internet Routing Table: 1214
AfriNIC Prefixes per ASN: 20.44
AfriNIC Region origin ASes announcing only one prefix: 406
AfriNIC Region transit ASes present in the Internet Routing Table: 241
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: 488
Number of AfriNIC addresses announced to Internet: 102215936
Equivalent to 6 /8s, 23 /16s and 177 /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 4631 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4610 518 515 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2999 1154 93 VIETEL-AS-AP Viettel Group, VN
45899 2951 1685 110 VNPT-AS-VN VNPT Corp, VN
4766 2799 11130 764 KIXS-AS-KR Korea Telecom, KR
9829 2703 1489 571 BSNL-NIB National Internet Backbone, IN
9808 2448 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2412 4907 31 CTTNET China TieTong Telecommunications
17974 2270 968 51 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2123 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
6327 3463 1324 84 SHAW - Shaw Communications Inc., CA
11492 3463 223 625 CABLEONE - CABLE ONE, INC., US
22773 3273 2973 165 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2446 5082 902 AMAZON-02 - Amazon.com, Inc., US
18566 2154 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2146 2739 545 CHARTER-NET-HKY-NC - Charter Communicat
16625 2120 1144 1574 AKAMAI-AS - Akamai Technologies, Inc.,
5650 2085 3074 1461 FRONTIER-FRTR - Frontier Communications
30036 2060 346 142 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2040 5079 594 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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 5054 1613 133 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3039 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2557 565 1908 AKAMAI-ASN1, US
12389 2181 2178 616 ROSTELECOM-AS, RU
34984 2014 334 536 TELLCOM-AS, TR
9121 1921 1691 17 TTNET, TR
13188 1605 100 42 TRIOLAN, UA
8402 1281 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1218 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 5452 3311 603 Uninet S.A. de C.V., MX
10620 3118 475 885 Telmex Colombia S.A., CO
11830 2667 370 75 Instituto Costarricense de Electricidad
6503 1660 449 54 Axtel, S.A.B. de C.V., MX
7303 1440 963 213 Telecom Argentina S.A., AR
28573 1146 2240 183 CLARO S.A., BR
6147 1091 377 29 Telefonica del Peru S.A.A., PE
3816 1025 512 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 938 145 72 Alestra, S. de R.L. de C.V., MX
13999 923 537 260 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 1166 394 29 LINKdotNET-AS, EG
37611 910 107 9 Afrihost, ZA
36903 795 399 144 MT-MPLS, MA
36992 762 1411 43 ETISALAT-MISR, EG
24835 653 742 20 RAYA-AS, EG
8452 613 1728 15 TE-AS TE-AS, EG
37492 467 470 57 ORANGE-, TN
29571 462 70 12 ORANGE-COTE-IVOIRE, CI
23889 400 231 15 MauritiusTelecom, MU
37342 394 32 1 MOVITEL, MZ
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 5452 3311 603 Uninet S.A. de C.V., MX
12479 5054 1613 133 UNI2-AS, ES
4538 4631 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4610 518 515 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3463 1324 84 SHAW - Shaw Communications Inc., CA
11492 3463 223 625 CABLEONE - CABLE ONE, INC., US
22773 3273 2973 165 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3118 475 885 Telmex Colombia S.A., CO
8551 3039 378 43 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 5054 4921 UNI2-AS, ES
4538 4631 4557 ERX-CERNET-BKB China Education and Research Net
7545 4610 4095 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3463 3379 SHAW - Shaw Communications Inc., CA
22773 3273 3108 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3039 2996 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2999 2906 VIETEL-AS-AP Viettel Group, VN
45899 2951 2841 VNPT-AS-VN VNPT Corp, VN
11492 3463 2838 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
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
65553 UNALLOCATED 103.218.190.0/24 58715 EARTHTELECOMMUNICATION-AS EART
65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom
92937 UNALLOCATED 110.49.72.0/24 45458 SBN-AWN-AS-02-AP SBN-ISP/AWN-I
4230060012 PRIVATE 132.190.106.0/24 64673 -Private Use AS-, ZZ
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
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22 134356 UNKNOWN
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
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 /12:290
/13:566 /14:1112 /15:1897 /16:13325 /17:7874 /18:13816
/19:25421 /20:39496 /21:46094 /22:90126 /23:74077 /24:408286
/25:827 /26:651 /27:653 /28:37 /29:20 /30:24
/31:4 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3878 5054 UNI2-AS, ES
6327 3248 3463 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2749 3463 CABLEONE - CABLE ONE, INC., US
22773 2528 3273 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2495 3039 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2048 2154 MEGAPATH5-US - MegaPath Corporation, US
11830 2012 2667 Instituto Costarricense de Electricidad y Telec
30036 1809 2060 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 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)
----------------------------------------------
1:1623 2:890 4:18 5:2695 6:43 7:1
8:1138 12:1876 13:241 14:1875 15:33 16:3
17:197 18:58 20:50 23:2514 24:2414 25:2
27:2517 31:1999 32:85 35:28 36:558 37:2930
38:1558 39:265 40:121 41:3139 42:716 43:1980
44:127 45:6020 46:3084 47:234 49:1312 50:1068
51:318 52:1109 54:362 55:1 56:6 57:38
58:1694 59:1024 60:462 61:2088 62:1960 63:1790
64:5058 65:2181 66:4805 67:2635 68:1159 69:3365
70:1179 71:602 72:2235 74:2729 75:413 76:480
77:1669 78:1749 79:2221 80:1570 81:1415 82:1053
83:804 84:1065 85:2094 86:559 87:1485 88:960
89:2387 90:210 91:6482 92:1268 93:2386 94:2435
95:3039 96:912 97:349 98:938 99:154 100:87
101:1165 102:278 103:19135 104:3595 105:240 106:877
107:1847 108:709 109:3396 110:1642 111:1825 112:1396
113:1327 114:1147 115:1701 116:1664 117:1889 118:2203
119:1675 120:1115 121:1038 122:2331 123:1698 124:1439
125:1945 128:1213 129:690 130:510 131:1624 132:714
133:190 134:1041 135:228 136:532 137:659 138:1967
139:739 140:557 141:754 142:805 143:997 144:839
145:498 146:1244 147:762 148:1682 149:791 150:774
151:996 152:878 153:325 154:1955 155:951 156:1568
157:847 158:648 159:1865 160:1481 161:850 162:2641
163:760 164:1116 165:1581 166:460 167:1343 168:3144
169:868 170:3977 171:496 172:1063 173:2093 174:988
175:833 176:2145 177:4021 178:2513 179:1297 180:2154
181:2388 182:2594 183:1473 184:1130 185:14319 186:3565
187:2448 188:2903 189:2028 190:8308 191:1384 192:9920
193:6404 194:5231 195:4029 196:2969 197:1634 198:5667
199:5985 200:7358 201:4997 202:10199 203:10162 204:4608
205:3004 206:3251 207:3212 208:3943 209:4162 210:3868
211:2011 212:3003 213:2825 214:1056 215:55 216:6024
217:2178 218:877 219:576 220:1827 221:1007 222:970
223:1394
End of report
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