[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 3 18:03:35 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 04 Apr, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 804347
Prefixes after maximum aggregation (per Origin AS): 305190
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 392265
Total ASes present in the Internet Routing Table: 67597
Prefixes per ASN: 11.90
Origin-only ASes present in the Internet Routing Table: 58038
Origin ASes announcing only one prefix: 24266
Transit ASes present in the Internet Routing Table: 9559
Transit-only ASes present in the Internet Routing Table: 284
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 1128
Number of instances of unregistered ASNs: 1128
Number of 32-bit ASNs allocated by the RIRs: 31194
Number of 32-bit ASNs visible in the Routing Table: 25732
Prefixes from 32-bit ASNs in the Routing Table: 118982
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1116
Number of addresses announced to Internet: 2854697344
Equivalent to 170 /8s, 39 /16s and 57 /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: 270525
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 212120
Total APNIC prefixes after maximum aggregation: 61866
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 204949
Unique aggregates announced from the APNIC address blocks: 86416
APNIC Region origin ASes present in the Internet Routing Table: 10496
APNIC Prefixes per ASN: 19.53
APNIC Region origin ASes announcing only one prefix: 2924
APNIC Region transit ASes present in the Internet Routing Table: 1567
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: 5562
Number of APNIC addresses announced to Internet: 766396672
Equivalent to 45 /8s, 174 /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, 131072-141625
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: 235500
Total ARIN prefixes after maximum aggregation: 108231
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 232771
Unique aggregates announced from the ARIN address blocks: 116557
ARIN Region origin ASes present in the Internet Routing Table: 18424
ARIN Prefixes per ASN: 12.63
ARIN Region origin ASes announcing only one prefix: 6712
ARIN Region transit ASes present in the Internet Routing Table: 1911
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3198
Number of ARIN addresses announced to Internet: 1079233280
Equivalent to 64 /8s, 83 /16s and 203 /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: 228181
Total RIPE prefixes after maximum aggregation: 105171
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 225030
Unique aggregates announced from the RIPE address blocks: 132021
RIPE Region origin ASes present in the Internet Routing Table: 26979
RIPE Prefixes per ASN: 8.34
RIPE Region origin ASes announcing only one prefix: 11741
RIPE Region transit ASes present in the Internet Routing Table: 3830
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: 9066
Number of RIPE addresses announced to Internet: 724635264
Equivalent to 43 /8s, 49 /16s and 14 /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: 105169
Total LACNIC prefixes after maximum aggregation: 24482
LACNIC Deaggregation factor: 4.30
Prefixes being announced from the LACNIC address blocks: 106488
Unique aggregates announced from the LACNIC address blocks: 46184
LACNIC Region origin ASes present in the Internet Routing Table: 9662
LACNIC Prefixes per ASN: 11.02
LACNIC Region origin ASes announcing only one prefix: 2410
LACNIC Region transit ASes present in the Internet Routing Table: 1821
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7238
Number of LACNIC addresses announced to Internet: 174454528
Equivalent to 10 /8s, 101 /16s and 247 /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: 22248
Total AfriNIC prefixes after maximum aggregation: 4714
AfriNIC Deaggregation factor: 4.72
Prefixes being announced from the AfriNIC address blocks: 33993
Unique aggregates announced from the AfriNIC address blocks: 10105
AfriNIC Region origin ASes present in the Internet Routing Table: 1377
AfriNIC Prefixes per ASN: 24.69
AfriNIC Region origin ASes announcing only one prefix: 479
AfriNIC Region transit ASes present in the Internet Routing Table: 271
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: 668
Number of AfriNIC addresses announced to Internet: 109390336
Equivalent to 6 /8s, 133 /16s and 42 /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 5321 678 626 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4624 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3393 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 2801 1762 149 VNPT-AS-VN VNPT Corp, VN
9808 2781 9043 61 CMNET-GD Guangdong Mobile Communication
7713 2708 831 502 TELKOMNET-AS-AP PT Telekomunikasi Indon
4766 2289 11102 560 KIXS-AS-KR Korea Telecom, KR
9498 2257 434 221 BBIL-AP BHARTI Airtel Ltd., IN
4755 2135 441 192 TATACOMM-AS TATA Communications formerl
9394 2042 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 4085 272 637 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3958 7855 1742 AMAZON-02, US
22773 3530 2969 152 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3364 1324 92 SHAW, CA
16625 3011 1577 2151 AKAMAI-AS, US
209 2387 5076 534 CENTURYLINK-US-LEGACY-QWEST, US
30036 2341 360 102 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2300 2981 1621 FRONTIER-FRTR, US
26484 2196 137 172 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 5855 1603 132 UNI2-AS, ES
31334 4386 484 13 KABELDEUTSCHLAND-AS, DE
39891 3651 203 20 ALJAWWALSTC-AS, SA
8551 3154 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2952 901 1678 AKAMAI-ASN1, US
12389 2493 2250 726 ROSTELECOM-AS, RU
9009 2126 224 1150 M247, GB
34984 2055 350 563 TELLCOM-AS, TR
9121 1862 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 6369 3307 602 Uninet S.A. de C.V., MX
10620 3357 530 520 Telmex Colombia S.A., CO
11830 2671 369 63 Instituto Costarricense de Electricidad
6503 1675 327 387 Axtel, S.A.B. de C.V., MX
7303 1555 1032 259 Telecom Argentina S.A., AR
28573 1343 2240 203 CLARO S.A., BR
13999 1262 476 327 Mega Cable, S.A. de C.V., MX
6147 1139 379 39 Telefonica del Peru S.A.A., PE
3816 1095 567 149 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 1472 393 22 LINKdotNET-AS, EG
24835 1108 574 25 RAYA-AS, EG
36992 1082 1537 74 ETISALAT-MISR, EG
36903 890 467 88 MT-MPLS, MA
6713 592 1863 34 IAM-AS, MA
29571 592 68 12 ORANGE-COTE-IVOIRE, CI
37342 482 32 1 MOVITEL, MZ
36935 387 522 44 Vodafone-, EG
23889 382 231 15 MauritiusTelecom, MU
15399 339 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 6369 3307 602 Uninet S.A. de C.V., MX
12479 5855 1603 132 UNI2-AS, ES
7545 5321 678 626 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4624 4192 73 ERX-CERNET-BKB China Education and Rese
31334 4386 484 13 KABELDEUTSCHLAND-AS, DE
11492 4085 272 637 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3958 7855 1742 AMAZON-02, US
39891 3651 203 20 ALJAWWALSTC-AS, SA
22773 3530 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 5855 5723 UNI2-AS, ES
7545 5321 4695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4624 4551 ERX-CERNET-BKB China Education and Research Net
31334 4386 4373 KABELDEUTSCHLAND-AS, DE
7155 4034 4006 VIASAT-SP-BACKBONE, US
39891 3651 3631 ALJAWWALSTC-AS, SA
11492 4085 3448 CABLEONE, US
22773 3530 3378 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3393 3371 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 /11:99 /12:285
/13:578 /14:1165 /15:1917 /16:13360 /17:8165 /18:13545
/19:25841 /20:40506 /21:47999 /22:99532 /23:82000 /24:468015
/25:1281 /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 4848 5855 UNI2-AS, ES
31334 4231 4386 KABELDEUTSCHLAND-AS, DE
11492 3207 4085 CABLEONE, US
6327 3152 3364 SHAW, CA
7155 3125 4034 VIASAT-SP-BACKBONE, US
39891 2801 3651 ALJAWWALSTC-AS, SA
22773 2748 3530 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2613 3154 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2169 6369 Uninet S.A. de C.V., MX
30036 2088 2341 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 2:1100 3:30 4:19 5:3282 6:51
8:1390 9:1 11:1 12:1792 13:500 14:2259
15:74 16:9 17:294 18:80 20:69 23:3471
24:2294 25:2 27:2530 31:3124 32:105 34:3
35:38 36:933 37:3294 38:1947 39:325 40:126
41:3562 42:686 43:2108 44:193 45:14003 46:3709
47:281 49:1436 50:1244 51:93 52:1135 54:269
55:690 56:6 57:48 58:1889 59:1149 60:707
61:2226 62:2254 63:1943 64:5069 65:2303 66:4890
67:2877 68:1226 69:3843 70:1430 71:678 72:2797
74:2609 75:1438 76:668 77:2623 78:1928 79:2395
80:1906 81:1583 82:1277 83:1168 84:1204 85:2490
86:545 87:1712 88:1096 89:2714 90:314 91:7739
92:1484 93:2487 94:2655 95:3907 96:1041 97:335
98:966 99:960 100:87 101:1120 102:871 103:23400
104:3400 105:385 106:869 107:1964 108:706 109:3649
110:1802 111:2066 112:1599 113:1400 114:1548 115:1872
116:1796 117:2090 118:2154 119:1731 120:840 121:1042
122:2420 123:1978 124:1555 125:2040 128:1345 129:906
130:630 131:1844 132:760 133:301 134:1235 135:276
136:607 137:841 138:2164 139:995 140:614 141:931
142:903 143:1204 144:979 145:331 146:1480 147:1019
148:2079 149:1167 150:811 151:1283 152:1487 153:378
154:4723 155:1039 156:3406 157:1102 158:827 159:1949
160:1904 161:1025 162:3041 163:844 164:1459 165:1263
166:537 167:1635 168:3688 169:516 170:4269 171:767
172:1911 173:2419 174:1030 175:1019 176:2677 177:4289
178:2984 179:1499 180:2164 181:2454 182:3106 183:1127
184:2404 185:16342 186:3777 187:2662 188:4124 189:2228
190:8624 191:1461 192:10314 193:7435 194:6108 195:4346
196:3550 197:1877 198:6100 199:5941 200:7183 201:5192
202:10513 203:10123 204:4514 205:3092 206:3232 207:3285
208:4054 209:4423 210:4009 211:1991 212:3263 213:3060
214:1172 215:55 216:5926 217:2385 218:877 219:609
220:2015 221:904 222:994 223:1509
End of report
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