[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 5 18:03:22 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 06 Apr, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 743761
Prefixes after maximum aggregation (per Origin AS): 285554
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 358387
Total ASes present in the Internet Routing Table: 63839
Prefixes per ASN: 11.65
Origin-only ASes present in the Internet Routing Table: 54939
Origin ASes announcing only one prefix: 23724
Transit ASes present in the Internet Routing Table: 8900
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: 28
Number of instances of unregistered ASNs: 35
Number of 32-bit ASNs allocated by the RIRs: 26474
Number of 32-bit ASNs visible in the Routing Table: 21592
Prefixes from 32-bit ASNs in the Routing Table: 94741
Number of bogon 32-bit ASNs visible in the Routing Table: 29
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 251
Number of addresses announced to Internet: 2844502144
Equivalent to 169 /8s, 139 /16s and 168 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
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: 249042
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 200892
Total APNIC prefixes after maximum aggregation: 57957
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 197778
Unique aggregates announced from the APNIC address blocks: 82200
APNIC Region origin ASes present in the Internet Routing Table: 9644
APNIC Prefixes per ASN: 20.51
APNIC Region origin ASes announcing only one prefix: 2700
APNIC Region transit ASes present in the Internet Routing Table: 1432
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4630
Number of APNIC addresses announced to Internet: 769411456
Equivalent to 45 /8s, 220 /16s and 73 /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: 219668
Total ARIN prefixes after maximum aggregation: 103931
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 218709
Unique aggregates announced from the ARIN address blocks: 105006
ARIN Region origin ASes present in the Internet Routing Table: 18426
ARIN Prefixes per ASN: 11.87
ARIN Region origin ASes announcing only one prefix: 6859
ARIN Region transit ASes present in the Internet Routing Table: 1889
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: 2645
Number of ARIN addresses announced to Internet: 1079698560
Equivalent to 64 /8s, 90 /16s and 228 /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: 205325
Total RIPE prefixes after maximum aggregation: 97761
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 201667
Unique aggregates announced from the RIPE address blocks: 119689
RIPE Region origin ASes present in the Internet Routing Table: 25968
RIPE Prefixes per ASN: 7.77
RIPE Region origin ASes announcing only one prefix: 11541
RIPE Region transit ASes present in the Internet Routing Table: 3692
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: 7985
Number of RIPE addresses announced to Internet: 718206336
Equivalent to 42 /8s, 206 /16s and 245 /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: 96613
Total LACNIC prefixes after maximum aggregation: 21614
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 97958
Unique aggregates announced from the LACNIC address blocks: 42031
LACNIC Region origin ASes present in the Internet Routing Table: 8247
LACNIC Prefixes per ASN: 11.88
LACNIC Region origin ASes announcing only one prefix: 2188
LACNIC Region transit ASes present in the Internet Routing Table: 1528
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: 5794
Number of LACNIC addresses announced to Internet: 172779008
Equivalent to 10 /8s, 76 /16s and 102 /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: 21234
Total AfriNIC prefixes after maximum aggregation: 4269
AfriNIC Deaggregation factor: 4.97
Prefixes being announced from the AfriNIC address blocks: 27398
Unique aggregates announced from the AfriNIC address blocks: 9229
AfriNIC Region origin ASes present in the Internet Routing Table: 1261
AfriNIC Prefixes per ASN: 21.73
AfriNIC Region origin ASes announcing only one prefix: 436
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: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 538
Number of AfriNIC addresses announced to Internet: 104150016
Equivalent to 6 /8s, 53 /16s and 52 /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 4728 546 549 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4706 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3131 1313 54 VIETEL-AS-AP Viettel Group, VN
45899 3038 1734 111 VNPT-AS-VN VNPT Corp, VN
9829 2748 1496 551 BSNL-NIB National Internet Backbone, IN
4766 2613 11120 761 KIXS-AS-KR Korea Telecom, KR
9808 2435 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 2032 426 167 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 3642 238 588 CABLEONE - CABLE ONE, INC., US
6327 3600 1325 94 SHAW - Shaw Communications Inc., CA
22773 3388 2976 161 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2606 5902 1078 AMAZON-02 - Amazon.com, Inc., US
16625 2348 1294 1791 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2152 355 130 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2151 2751 532 CHARTER-20115 - Charter Communications,
18566 2109 405 108 MEGAPATH5-US - MegaPath Corporation, US
5650 2086 3074 1462 FRONTIER-FRTR - Frontier Communications
209 2056 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 5430 1628 139 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3254 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2644 539 1919 AKAMAI-ASN1, US
12389 2225 2221 636 ROSTELECOM-AS, RU
34984 2081 342 535 TELLCOM-AS, TR
9121 1683 1693 19 TTNET, TR
13188 1605 100 47 TRIOLAN, UA
9009 1409 147 767 M247, GB
8402 1259 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 5663 3338 592 Uninet S.A. de C.V., MX
10620 3476 537 375 Telmex Colombia S.A., CO
11830 2706 384 34 Instituto Costarricense de Electricidad
7303 1454 992 247 Telecom Argentina S.A., AR
6503 1354 433 53 Axtel, S.A.B. de C.V., MX
28573 1348 2249 187 CLARO S.A., BR
6147 1259 374 25 Telefonica del Peru S.A.A., PE
3816 1023 505 113 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 962 524 248 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 1204 393 21 LINKdotNET-AS, EG
37611 892 107 9 Afrihost, ZA
24835 883 646 21 RAYA-AS, EG
36903 827 416 126 MT-MPLS, MA
36992 816 1531 71 ETISALAT-MISR, EG
8452 706 1731 19 TE-AS TE-AS, EG
29571 495 70 12 ORANGE-COTE-IVOIRE, CI
37492 470 470 57 ORANGE-, TN
15706 420 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 5663 3338 592 Uninet S.A. de C.V., MX
12479 5430 1628 139 UNI2-AS, ES
7545 4728 546 549 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4706 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3642 238 588 CABLEONE - CABLE ONE, INC., US
6327 3600 1325 94 SHAW - Shaw Communications Inc., CA
10620 3476 537 375 Telmex Colombia S.A., CO
22773 3388 2976 161 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3254 378 45 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 5430 5291 UNI2-AS, ES
4538 4706 4632 ERX-CERNET-BKB China Education and Research Net
7545 4728 4179 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3600 3506 SHAW - Shaw Communications Inc., CA
22773 3388 3227 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3254 3209 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
10620 3476 3101 Telmex Colombia S.A., CO
7552 3131 3077 VIETEL-AS-AP Viettel Group, VN
11492 3642 3054 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
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
66087 UNALLOCATED 103.136.231.0/24 138903 KHILGAON-AS-AP KHILGAON DOT NE
651315 UNALLOCATED 103.137.6.0/24 17806 MANGOTELESERVICE-AS-BD Tire-1
651315 UNALLOCATED 103.137.7.0/24 17806 MANGOTELESERVICE-AS-BD Tire-1
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
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
43.255.80.0/24 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 /10:36 /11:100 /12:291
/13:567 /14:1136 /15:1909 /16:13351 /17:7968 /18:13896
/19:25599 /20:39974 /21:46167 /22:93269 /23:75655 /24:422757
/25:1064 /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 4343 5430 UNI2-AS, ES
6327 3374 3600 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2848 3642 CABLEONE - CABLE ONE, INC., US
8551 2707 3254 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2627 3388 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11830 2051 2706 Instituto Costarricense de Electricidad y Telec
18566 2004 2109 MEGAPATH5-US - MegaPath Corporation, US
30036 1899 2152 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)
----------------------------------------------
1:1601 2:952 4:22 5:3025 6:45 7:1
8:1286 9:1 11:3 12:1806 13:324 14:1991
15:36 16:4 17:241 18:58 20:49 23:2657
24:2516 25:2 27:2496 31:1977 32:97 35:36
36:841 37:3048 38:1715 39:294 40:119 41:3280
42:768 43:2026 44:149 45:7147 46:3248 47:257
49:1356 50:1104 51:322 52:1016 54:285 55:2
56:9 57:42 58:1786 59:1080 60:506 61:2125
62:2124 63:1813 64:4961 65:2214 66:4843 67:2715
68:1168 69:3529 70:1329 71:599 72:2448 74:2764
75:514 76:548 77:1731 78:1766 79:2321 80:1811
81:1507 82:1134 83:907 84:1116 85:2303 86:528
87:1552 88:1053 89:2605 90:220 91:6555 92:1366
93:2437 94:2551 95:3228 96:927 97:343 98:948
99:210 100:87 101:1153 102:516 103:20878 104:3521
105:252 106:811 107:1779 108:692 109:3731 110:1649
111:1905 112:1487 113:1395 114:1139 115:1722 116:1720
117:1900 118:2186 119:1644 120:1025 121:1043 122:2341
123:1644 124:1472 125:1978 128:1265 129:822 130:531
131:1652 132:742 133:219 134:1052 135:242 136:573
137:718 138:2058 139:850 140:580 141:858 142:793
143:1068 144:859 145:494 146:1263 147:835 148:1723
149:821 150:783 151:1012 152:1053 153:323 154:2778
155:903 156:1619 157:952 158:640 159:1929 160:1529
161:919 162:2714 163:798 164:1188 165:1564 166:445
167:1392 168:3292 169:868 170:4142 171:574 172:1136
173:2204 174:1038 175:910 176:2354 177:4221 178:2528
179:1460 180:2181 181:2404 182:2665 183:1073 184:1207
185:14941 186:3664 187:2479 188:2893 189:1967 190:8316
191:1570 192:10052 193:6662 194:5413 195:4100 196:3089
197:1772 198:5839 199:5987 200:7214 201:5127 202:10407
203:10113 204:4544 205:3022 206:3220 207:3248 208:3967
209:4242 210:3936 211:2001 212:3158 213:2929 214:1093
215:54 216:5940 217:2235 218:880 219:580 220:1860
221:968 222:987 223:1363
End of report
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