[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 12 18:03:32 UTC 2019
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 13 Apr, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 745313
Prefixes after maximum aggregation (per Origin AS): 286294
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 358952
Total ASes present in the Internet Routing Table: 63889
Prefixes per ASN: 11.67
Origin-only ASes present in the Internet Routing Table: 54986
Origin ASes announcing only one prefix: 23700
Transit ASes present in the Internet Routing Table: 8903
Transit-only ASes present in the Internet Routing Table: 274
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 34
Max AS path prepend of ASN (206156) 26
Prefixes from unregistered ASNs in the Routing Table: 25
Number of instances of unregistered ASNs: 29
Number of 32-bit ASNs allocated by the RIRs: 26580
Number of 32-bit ASNs visible in the Routing Table: 21664
Prefixes from 32-bit ASNs in the Routing Table: 94966
Number of bogon 32-bit ASNs visible in the Routing Table: 24
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 242
Number of addresses announced to Internet: 2849895552
Equivalent to 169 /8s, 221 /16s and 244 /24s
Percentage of available address space announced: 77.0
Percentage of allocated address space announced: 77.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.2
Total number of prefixes smaller than registry allocations: 249446
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 200535
Total APNIC prefixes after maximum aggregation: 58096
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 197351
Unique aggregates announced from the APNIC address blocks: 82271
APNIC Region origin ASes present in the Internet Routing Table: 9649
APNIC Prefixes per ASN: 20.45
APNIC Region origin ASes announcing only one prefix: 2702
APNIC Region transit ASes present in the Internet Routing Table: 1426
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4640
Number of APNIC addresses announced to Internet: 773494912
Equivalent to 46 /8s, 26 /16s and 152 /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: 221747
Total ARIN prefixes after maximum aggregation: 104303
ARIN Deaggregation factor: 2.13
Prefixes being announced from the ARIN address blocks: 220762
Unique aggregates announced from the ARIN address blocks: 105233
ARIN Region origin ASes present in the Internet Routing Table: 18426
ARIN Prefixes per ASN: 11.98
ARIN Region origin ASes announcing only one prefix: 6824
ARIN Region transit ASes present in the Internet Routing Table: 1891
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2655
Number of ARIN addresses announced to Internet: 1079234176
Equivalent to 64 /8s, 83 /16s and 206 /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: 205349
Total RIPE prefixes after maximum aggregation: 97932
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 201735
Unique aggregates announced from the RIPE address blocks: 119703
RIPE Region origin ASes present in the Internet Routing Table: 25987
RIPE Prefixes per ASN: 7.76
RIPE Region origin ASes announcing only one prefix: 11538
RIPE Region transit ASes present in the Internet Routing Table: 3697
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8009
Number of RIPE addresses announced to Internet: 718764160
Equivalent to 42 /8s, 215 /16s and 120 /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: 96391
Total LACNIC prefixes after maximum aggregation: 21650
LACNIC Deaggregation factor: 4.45
Prefixes being announced from the LACNIC address blocks: 97742
Unique aggregates announced from the LACNIC address blocks: 42278
LACNIC Region origin ASes present in the Internet Routing Table: 8268
LACNIC Prefixes per ASN: 11.82
LACNIC Region origin ASes announcing only one prefix: 2198
LACNIC Region transit ASes present in the Internet Routing Table: 1530
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5814
Number of LACNIC addresses announced to Internet: 173673728
Equivalent to 10 /8s, 90 /16s and 13 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 21265
Total AfriNIC prefixes after maximum aggregation: 4292
AfriNIC Deaggregation factor: 4.95
Prefixes being announced from the AfriNIC address blocks: 27481
Unique aggregates announced from the AfriNIC address blocks: 9244
AfriNIC Region origin ASes present in the Internet Routing Table: 1267
AfriNIC Prefixes per ASN: 21.69
AfriNIC Region origin ASes announcing only one prefix: 438
AfriNIC Region transit ASes present in the Internet Routing Table: 243
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 546
Number of AfriNIC addresses announced to Internet: 104472832
Equivalent to 6 /8s, 58 /16s and 33 /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
7545 4715 545 547 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4468 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3136 1305 53 VIETEL-AS-AP Viettel Group, VN
45899 3007 1736 112 VNPT-AS-VN VNPT Corp, VN
9829 2734 1496 551 BSNL-NIB National Internet Backbone, IN
4766 2613 11120 761 KIXS-AS-KR Korea Telecom, KR
9808 2436 8699 27 CMNET-GD Guangdong Mobile Communication
9394 2180 4906 29 CTTNET China TieTong Telecommunications
4755 2149 429 186 TATACOMM-AS TATA Communications formerl
9498 2042 427 170 BBIL-AP BHARTI Airtel Ltd., IN
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 3644 238 589 CABLEONE - CABLE ONE, INC., US
6327 3616 1325 94 SHAW - Shaw Communications Inc., CA
22773 3392 2976 161 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2615 5904 1081 AMAZON-02 - Amazon.com, Inc., US
16625 2398 1316 1813 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2164 356 121 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2149 2751 527 CHARTER-20115 - Charter Communications,
18566 2109 405 108 MEGAPATH5-US - MegaPath Corporation, US
5650 2086 3074 1462 FRONTIER-FRTR - Frontier Communications
209 2040 5103 577 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 5444 1629 140 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3245 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2639 534 1913 AKAMAI-ASN1, US
12389 2227 2221 636 ROSTELECOM-AS, RU
34984 2083 342 537 TELLCOM-AS, TR
9121 1671 1693 19 TTNET, TR
13188 1602 100 47 TRIOLAN, UA
9009 1416 148 771 M247, GB
8402 1254 545 15 CORBINA-AS OJSC "Vimpelcom", RU
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 5676 3339 593 Uninet S.A. de C.V., MX
10620 3436 537 388 Telmex Colombia S.A., CO
11830 2708 384 34 Instituto Costarricense de Electricidad
7303 1461 1000 252 Telecom Argentina S.A., AR
28573 1367 2249 191 CLARO S.A., BR
6503 1299 433 53 Axtel, S.A.B. de C.V., MX
6147 1259 374 25 Telefonica del Peru S.A.A., PE
3816 1041 507 128 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 959 521 247 Mega Cable, S.A. de C.V., MX
11172 955 144 63 Alestra, S. de R.L. 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 1205 393 21 LINKdotNET-AS, EG
37611 894 107 9 Afrihost, ZA
24835 884 646 21 RAYA-AS, EG
36903 827 416 126 MT-MPLS, MA
36992 819 1531 71 ETISALAT-MISR, EG
8452 709 1731 19 TE-AS TE-AS, EG
29571 495 70 12 ORANGE-COTE-IVOIRE, CI
37492 470 470 57 ORANGE-, TN
15706 421 32 6 Sudatel, SD
37342 420 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 5676 3339 593 Uninet S.A. de C.V., MX
12479 5444 1629 140 UNI2-AS, ES
7545 4715 545 547 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4468 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3644 238 589 CABLEONE - CABLE ONE, INC., US
6327 3616 1325 94 SHAW - Shaw Communications Inc., CA
10620 3436 537 388 Telmex Colombia S.A., CO
22773 3392 2976 161 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3245 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 5444 5304 UNI2-AS, ES
4538 4468 4394 ERX-CERNET-BKB China Education and Research Net
7545 4715 4168 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3616 3522 SHAW - Shaw Communications Inc., CA
22773 3392 3231 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3245 3201 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3136 3083 VIETEL-AS-AP Viettel Group, VN
11492 3644 3055 CABLEONE - CABLE ONE, INC., US
10620 3436 3048 Telmex Colombia S.A., CO
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
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
65553 UNALLOCATED 103.132.227.0/24 138556 ARMOUR-AS-AP Armour Technologi
65549 DOCUMENT 117.239.163.0/24 65544 UNKNOWN
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.133.192.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
41.76.136.0/22 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
41.220.48.0/20 36900 -Reserved AS-, ZZ
43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
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 /8:12 /9:10 /10:37 /11:100 /12:291
/13:568 /14:1135 /15:1905 /16:13353 /17:7972 /18:13881
/19:25629 /20:39916 /21:46161 /22:93255 /23:75822 /24:424200
/25:1066 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4358 5444 UNI2-AS, ES
6327 3390 3616 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2851 3644 CABLEONE - CABLE ONE, INC., US
8551 2699 3245 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2631 3392 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11830 2053 2708 Instituto Costarricense de Electricidad y Telec
18566 2004 2109 MEGAPATH5-US - MegaPath Corporation, US
30036 1911 2164 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1754 2086 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)
----------------------------------------------
1:1600 2:967 4:21 5:3085 6:45 7:1
8:1285 9:1 12:1805 13:328 14:1987 15:36
16:4 17:244 18:58 20:50 23:2666 24:2499
25:2 27:2483 31:1973 32:97 35:36 36:847
37:3051 38:1720 39:292 40:121 41:3279 42:767
43:2024 44:151 45:7175 46:3220 47:258 49:1351
50:1106 51:322 52:1016 54:285 55:693 56:6
57:42 58:1780 59:1070 60:507 61:2124 62:2124
63:1818 64:4967 65:2223 66:4836 67:2722 68:1169
69:3525 70:1324 71:605 72:2459 74:2754 75:515
76:543 77:1760 78:1806 79:2281 80:1804 81:1509
82:1134 83:905 84:1124 85:2297 86:514 87:1535
88:1053 89:2596 90:220 91:6566 92:1370 93:2442
94:2528 95:3254 96:928 97:343 98:951 99:377
100:87 101:1158 102:543 103:20923 104:3536 105:253
106:796 107:1784 108:690 109:3718 110:1652 111:1849
112:1484 113:1394 114:1143 115:1720 116:1734 117:1904
118:2175 119:1627 120:1008 121:1041 122:2348 123:1641
124:1471 125:1979 128:1267 129:829 130:538 131:1810
132:788 133:219 134:1087 135:242 136:566 137:718
138:2041 139:841 140:639 141:871 142:798 143:1046
144:862 145:494 146:1265 147:832 148:1723 149:801
150:787 151:1012 152:1054 153:335 154:2819 155:914
156:1622 157:948 158:640 159:1940 160:1571 161:906
162:2750 163:809 164:1194 165:1569 166:448 167:1393
168:3292 169:869 170:4103 171:574 172:1140 173:2213
174:1040 175:914 176:2327 177:4193 178:2522 179:1450
180:2179 181:2409 182:2668 183:1083 184:1441 185:14946
186:3652 187:2470 188:2899 189:1968 190:8301 191:1544
192:10047 193:6657 194:5411 195:4103 196:3092 197:1765
198:5909 199:6004 200:7190 201:5112 202:10392 203:10115
204:4539 205:3028 206:3223 207:3243 208:3963 209:4246
210:3936 211:1992 212:3156 213:2938 214:1099 215:54
216:5933 217:2214 218:881 219:581 220:1861 221:968
222:980 223:1364
End of report
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