[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 10 18:03:29 UTC 2020
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 11 Apr, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 805484
Prefixes after maximum aggregation (per Origin AS): 305957
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 393305
Total ASes present in the Internet Routing Table: 67689
Prefixes per ASN: 11.90
Origin-only ASes present in the Internet Routing Table: 58122
Origin ASes announcing only one prefix: 24256
Transit ASes present in the Internet Routing Table: 9567
Transit-only ASes present in the Internet Routing Table: 295
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 38
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 1239
Number of instances of unregistered ASNs: 1242
Number of 32-bit ASNs allocated by the RIRs: 31261
Number of 32-bit ASNs visible in the Routing Table: 25806
Prefixes from 32-bit ASNs in the Routing Table: 119426
Number of bogon 32-bit ASNs visible in the Routing Table: 22
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1117
Number of addresses announced to Internet: 2854271488
Equivalent to 170 /8s, 32 /16s and 186 /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: 99.5
Total number of prefixes smaller than registry allocations: 271215
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 212043
Total APNIC prefixes after maximum aggregation: 61938
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 204843
Unique aggregates announced from the APNIC address blocks: 85571
APNIC Region origin ASes present in the Internet Routing Table: 10519
APNIC Prefixes per ASN: 19.47
APNIC Region origin ASes announcing only one prefix: 2924
APNIC Region transit ASes present in the Internet Routing Table: 1565
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5585
Number of APNIC addresses announced to Internet: 766795648
Equivalent to 45 /8s, 180 /16s and 95 /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, 131072-141625
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: 235626
Total ARIN prefixes after maximum aggregation: 108397
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 233072
Unique aggregates announced from the ARIN address blocks: 118306
ARIN Region origin ASes present in the Internet Routing Table: 18423
ARIN Prefixes per ASN: 12.65
ARIN Region origin ASes announcing only one prefix: 6716
ARIN Region transit ASes present in the Internet Routing Table: 1912
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3200
Number of ARIN addresses announced to Internet: 1079232768
Equivalent to 64 /8s, 83 /16s and 201 /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, 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: 228817
Total RIPE prefixes after maximum aggregation: 105651
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 225628
Unique aggregates announced from the RIPE address blocks: 132097
RIPE Region origin ASes present in the Internet Routing Table: 26999
RIPE Prefixes per ASN: 8.36
RIPE Region origin ASes announcing only one prefix: 11735
RIPE Region transit ASes present in the Internet Routing Table: 3828
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9086
Number of RIPE addresses announced to Internet: 724642176
Equivalent to 43 /8s, 49 /16s and 41 /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
196608-213403
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: 105579
Total LACNIC prefixes after maximum aggregation: 24490
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 106900
Unique aggregates announced from the LACNIC address blocks: 46248
LACNIC Region origin ASes present in the Internet Routing Table: 9686
LACNIC Prefixes per ASN: 11.04
LACNIC Region origin ASes announcing only one prefix: 2399
LACNIC Region transit ASes present in the Internet Routing Table: 1837
Average LACNIC Region AS path length visible: 5.5
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7264
Number of LACNIC addresses announced to Internet: 174542592
Equivalent to 10 /8s, 103 /16s and 79 /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: 22179
Total AfriNIC prefixes after maximum aggregation: 4713
AfriNIC Deaggregation factor: 4.71
Prefixes being announced from the AfriNIC address blocks: 33924
Unique aggregates announced from the AfriNIC address blocks: 10107
AfriNIC Region origin ASes present in the Internet Routing Table: 1379
AfriNIC Prefixes per ASN: 24.60
AfriNIC Region origin ASes announcing only one prefix: 482
AfriNIC Region transit ASes present in the Internet Routing Table: 273
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 671
Number of AfriNIC addresses announced to Internet: 108475648
Equivalent to 6 /8s, 119 /16s and 53 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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 5388 681 629 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4335 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3390 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3146 1802 105 VNPT-AS-VN VNPT Corp, VN
7713 2706 831 503 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2569 9043 61 CMNET-GD Guangdong Mobile Communication
4766 2289 11102 560 KIXS-AS-KR Korea Telecom, KR
9498 2258 434 221 BBIL-AP BHARTI Airtel Ltd., IN
4755 2134 441 192 TATACOMM-AS TATA Communications formerl
9394 2035 4898 24 CTTNET China TieTong Telecommunications
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 4095 273 633 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3959 7856 1747 AMAZON-02, US
22773 3532 2969 152 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3364 1324 92 SHAW, CA
16625 3032 1582 2163 AKAMAI-AS, US
209 2386 5077 537 CENTURYLINK-US-LEGACY-QWEST, US
30036 2353 361 92 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2300 2981 1621 FRONTIER-FRTR, US
26484 2195 137 171 IKGUL-26484, 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 5830 1603 132 UNI2-AS, ES
31334 4836 484 13 KABELDEUTSCHLAND-AS, DE
39891 3651 203 20 ALJAWWALSTC-AS, SA
8551 3179 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2967 467 2032 AKAMAI-ASN1, US
12389 2494 2250 726 ROSTELECOM-AS, RU
9009 2151 226 1163 M247, GB
34984 2055 350 563 TELLCOM-AS, TR
9121 1871 1691 18 TTNET, TR
13188 1606 100 36 TRIOLAN, 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 6381 3307 603 Uninet S.A. de C.V., MX
10620 3358 530 515 Telmex Colombia S.A., CO
11830 2671 369 63 Instituto Costarricense de Electricidad
6503 1677 327 387 Axtel, S.A.B. de C.V., MX
7303 1554 1032 259 Telecom Argentina S.A., AR
28573 1368 2242 204 CLARO S.A., BR
13999 1278 479 327 Mega Cable, S.A. de C.V., MX
6147 1139 379 39 Telefonica del Peru S.A.A., PE
3816 1096 564 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 956 112 71 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 1382 393 20 LINKdotNET-AS, EG
36992 1079 1537 74 ETISALAT-MISR, EG
24835 1070 574 25 RAYA-AS, EG
36903 890 467 88 MT-MPLS, MA
29571 592 68 12 ORANGE-COTE-IVOIRE, CI
6713 587 1863 34 IAM-AS, MA
37342 480 32 1 MOVITEL, MZ
36935 387 521 47 Vodafone-, EG
23889 382 231 15 MauritiusTelecom, MU
15399 338 45 10 WANANCHI-, KE
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 6381 3307 603 Uninet S.A. de C.V., MX
12479 5830 1603 132 UNI2-AS, ES
7545 5388 681 629 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4836 484 13 KABELDEUTSCHLAND-AS, DE
4538 4335 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4095 273 633 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3959 7856 1747 AMAZON-02, US
39891 3651 203 20 ALJAWWALSTC-AS, SA
22773 3532 2969 152 ASN-CXA-ALL-CCI-22773-RDC, US
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5830 5698 UNI2-AS, ES
31334 4836 4823 KABELDEUTSCHLAND-AS, DE
7545 5388 4759 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4335 4262 ERX-CERNET-BKB China Education and Research Net
7155 4034 4006 VIASAT-SP-BACKBONE, US
39891 3651 3631 ALJAWWALSTC-AS, SA
11492 4095 3462 CABLEONE, US
22773 3532 3380 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3390 3368 VIETEL-AS-AP Viettel Group, VN
6327 3364 3272 SHAW, CA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
26584 UNALLOCATED 8.42.62.0/23 209 CENTURYLINK-US-LEGACY-QWEST,
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.137.192.0/24 Origin: 31798 CANAD-86-31798, CA
Transit: 174 COGENT-174, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
27.126.156.0/22 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
27.126.158.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
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 /8:10 /9:11 /10:38 /11:98 /12:285
/13:579 /14:1165 /15:1912 /16:13358 /17:8163 /18:13874
/19:25751 /20:40365 /21:47945 /22:99620 /23:82117 /24:468908
/25:1285 /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 4827 5830 UNI2-AS, ES
31334 4681 4836 KABELDEUTSCHLAND-AS, DE
11492 3215 4095 CABLEONE, US
6327 3152 3364 SHAW, CA
7155 3125 4034 VIASAT-SP-BACKBONE, US
39891 2801 3651 ALJAWWALSTC-AS, SA
22773 2750 3532 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2638 3179 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2180 6381 Uninet S.A. de C.V., MX
30036 2100 2353 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1584 2:1138 3:30 4:19 5:3320 6:51
8:1400 9:1 11:1 12:1797 13:499 14:2276
15:75 16:9 17:299 18:81 20:83 23:3484
24:2296 25:2 27:2554 31:3102 32:106 34:3
35:39 36:925 37:3298 38:1940 39:319 40:123
41:3570 42:687 43:2109 44:196 45:14023 46:3711
47:284 49:1426 50:1240 51:93 52:1121 54:270
55:673 56:6 57:52 58:1898 59:1175 60:718
61:2227 62:2267 63:1943 64:5078 65:2299 66:4892
67:2859 68:1228 69:3844 70:1431 71:678 72:2824
74:2610 75:1433 76:682 77:2794 78:1868 79:2350
80:1899 81:1576 82:1271 83:1175 84:1205 85:2482
86:547 87:1711 88:1108 89:2724 90:314 91:7918
92:1494 93:2453 94:2650 95:3974 96:1051 97:335
98:955 99:961 100:87 101:1117 102:881 103:23445
104:3415 105:377 106:828 107:1968 108:699 109:3735
110:1808 111:2041 112:1599 113:1406 114:1548 115:1870
116:1792 117:2089 118:2161 119:1738 120:844 121:1042
122:2428 123:1991 124:1552 125:2021 128:1349 129:934
130:629 131:1857 132:756 133:300 134:1269 135:278
136:609 137:852 138:2174 139:989 140:635 141:931
142:905 143:1220 144:978 145:328 146:1481 147:1031
148:2133 149:1175 150:815 151:1283 152:1489 153:378
154:4733 155:1036 156:3403 157:1102 158:824 159:1940
160:1916 161:1021 162:3043 163:846 164:1464 165:1271
166:537 167:1628 168:3697 169:519 170:4270 171:764
172:1920 173:2439 174:1014 175:1014 176:2631 177:4236
178:3054 179:1463 180:2176 181:2525 182:3082 183:1132
184:2403 185:16344 186:3766 187:2674 188:4066 189:2228
190:8630 191:1452 192:10326 193:7443 194:6100 195:4365
196:3534 197:1875 198:6092 199:5952 200:7198 201:5197
202:10530 203:10159 204:4514 205:3090 206:3255 207:3286
208:4044 209:4423 210:4004 211:1989 212:3309 213:3047
214:1164 215:60 216:5941 217:2389 218:877 219:606
220:2029 221:897 222:981 223:1493
End of report
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