[lacnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora en apnic.net
Vie Nov 5 15:02:55 -03 2021
This is an automated weekly mailing describing the state of the Internet
Global IPv4 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 en lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
Global IPv4 Routing Table Report 04:00 +10GMT Sat 06 Nov, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 868790
Prefixes after maximum aggregation (per Origin AS): 328900
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 420349
Total ASes present in the Internet Routing Table: 72204
Prefixes per ASN: 12.03
Origin-only ASes present in the Internet Routing Table: 62027
Origin ASes announcing only one prefix: 25592
Transit ASes present in the Internet Routing Table: 10177
Transit-only ASes present in the Internet Routing Table: 340
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 53
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 864
Number of instances of unregistered ASNs: 868
Number of 32-bit ASNs allocated by the RIRs: 37762
Number of 32-bit ASNs visible in the Routing Table: 31293
Prefixes from 32-bit ASNs in the Routing Table: 144024
Number of bogon 32-bit ASNs visible in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 436
Number of addresses announced to Internet: 3071807488
Equivalent to 183 /8s, 24 /16s and 16 /24s
Percentage of available address space announced: 83.0
Percentage of allocated address space announced: 83.0
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: 289585
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 230522
Total APNIC prefixes after maximum aggregation: 64735
APNIC Deaggregation factor: 3.56
Prefixes being announced from the APNIC address blocks: 225581
Unique aggregates announced from the APNIC address blocks: 92757
APNIC Region origin ASes present in the Internet Routing Table: 12084
APNIC Prefixes per ASN: 18.67
APNIC Region origin ASes announcing only one prefix: 3439
APNIC Region transit ASes present in the Internet Routing Table: 1688
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7254
Number of APNIC addresses announced to Internet: 772863872
Equivalent to 46 /8s, 16 /16s and 247 /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, 131072-151865
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: 255488
Total ARIN prefixes after maximum aggregation: 117985
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 255606
Unique aggregates announced from the ARIN address blocks: 122166
ARIN Region origin ASes present in the Internet Routing Table: 18944
ARIN Prefixes per ASN: 13.49
ARIN Region origin ASes announcing only one prefix: 6864
ARIN Region transit ASes present in the Internet Routing Table: 1952
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4192
Number of ARIN addresses announced to Internet: 1301808384
Equivalent to 77 /8s, 152 /16s and 5 /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, 393216-401308
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: 242203
Total RIPE prefixes after maximum aggregation: 113330
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 238381
Unique aggregates announced from the RIPE address blocks: 146288
RIPE Region origin ASes present in the Internet Routing Table: 28108
RIPE Prefixes per ASN: 8.48
RIPE Region origin ASes announcing only one prefix: 12118
RIPE Region transit ASes present in the Internet Routing Table: 3930
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 38
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10493
Number of RIPE addresses announced to Internet: 712299904
Equivalent to 42 /8s, 116 /16s and 213 /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: 113077
Total LACNIC prefixes after maximum aggregation: 26943
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 113954
Unique aggregates announced from the LACNIC address blocks: 47461
LACNIC Region origin ASes present in the Internet Routing Table: 10788
LACNIC Prefixes per ASN: 10.56
LACNIC Region origin ASes announcing only one prefix: 2620
LACNIC Region transit ASes present in the Internet Routing Table: 2127
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 53
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8456
Number of LACNIC addresses announced to Internet: 176445696
Equivalent to 10 /8s, 132 /16s and 89 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 26636
Total AfriNIC prefixes after maximum aggregation: 5248
AfriNIC Deaggregation factor: 5.08
Prefixes being announced from the AfriNIC address blocks: 34832
Unique aggregates announced from the AfriNIC address blocks: 11297
AfriNIC Region origin ASes present in the Internet Routing Table: 1569
AfriNIC Prefixes per ASN: 22.20
AfriNIC Region origin ASes announcing only one prefix: 551
AfriNIC Region transit ASes present in the Internet Routing Table: 310
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 898
Number of AfriNIC addresses announced to Internet: 108121344
Equivalent to 6 /8s, 113 /16s and 205 /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
9808 8645 9000 57 CHINAMOBILE-CN China Mobile Communicati
7545 5850 785 685 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4662 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3587 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3499 1023 57 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3124 1896 54 VNPT-AS-VN VNPT Corp, VN
4766 2508 11119 578 KIXS-AS-KR Korea Telecom, KR
9498 2170 472 236 BBIL-AP BHARTI Airtel Ltd., IN
45090 2126 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2123 429 203 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
16509 5879 9962 2550 AMAZON-02, US
11492 4628 306 802 CABLEONE, US
22773 4059 3052 382 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3954 264 30 VIASAT-SP-BACKBONE, US
16625 3663 1892 2550 AKAMAI-AS, US
6327 3382 1318 69 SHAW, CA
749 2890 50784 2146 DNIC-AS-00749, US
30036 2595 373 155 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2525 5028 444 CENTURYLINK-US-LEGACY-QWEST, US
20115 2245 3032 503 CHARTER-20115, 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 6875 1725 145 UNI2-AS, ES
20940 3920 3348 213 AKAMAI-ASN1, NL
8551 3273 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 3271 187 23 ALJAWWALSTC-AS, SA
12389 2932 2279 898 ROSTELECOM-AS, RU
9009 2501 258 1312 M247, GB
34984 2206 356 598 TELLCOM-AS, TR
58224 1708 904 582 TCI, IR
61317 1688 224 955 ASDETUK www.heficed.com, GB
13188 1610 100 27 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 10153 3463 573 Uninet S.A. de C.V., MX
10620 3249 492 817 Telmex Colombia S.A., CO
11830 2470 369 62 Instituto Costarricense de Electricidad
13999 1638 289 454 Mega Cable, S.A. de C.V., MX
6503 1530 359 472 Axtel, S.A.B. de C.V., MX
28573 1449 2312 259 CLARO S.A., BR
3816 1240 651 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
26615 1130 2351 137 TIM SA, BR
6147 1099 370 22 Telefonica del Peru S.A.A., PE
11664 965 187 442 Techtel LMDS Comunicaciones Interactiva
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 1636 393 21 LINKdotNET-AS, EG
24835 1553 507 33 RAYA-AS, EG
36992 1273 1414 268 ETISALAT-MISR, EG
36903 1183 537 110 MT-MPLS, MA
29571 786 68 11 ORANGE-COTE-IVOIRE, CI
36935 682 523 44 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
37342 470 32 1 MOVITEL, MZ
15399 441 50 31 WANANCHI-, KE
2018 343 319 73 TENET-1, ZA
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 10153 3463 573 Uninet S.A. de C.V., MX
9808 8645 9000 57 CHINAMOBILE-CN China Mobile Communicati
12479 6875 1725 145 UNI2-AS, ES
16509 5879 9962 2550 AMAZON-02, US
7545 5850 785 685 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4662 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4628 306 802 CABLEONE, US
22773 4059 3052 382 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3954 264 30 VIASAT-SP-BACKBONE, US
20940 3920 3348 213 AKAMAI-ASN1, NL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 8645 8588 CHINAMOBILE-CN China Mobile Communications Grou
12479 6875 6730 UNI2-AS, ES
7545 5850 5165 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4662 4588 ERX-CERNET-BKB China Education and Research Net
7155 3954 3924 VIASAT-SP-BACKBONE, US
11492 4628 3826 CABLEONE, US
20940 3920 3707 AKAMAI-ASN1, NL
22773 4059 3677 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3587 3568 VIETEL-AS-AP Viettel Group, VN
7713 3499 3442 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
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
398418 UNALLOCATED 8.2.200.0/24 2914 NTT-COMMUNICATIONS-2914, US
46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
1782 UNALLOCATED 8.42.19.0/24 46887 LIGHTOWER, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, 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
23.132.208.0/24 Origin: 7850 CITYLINKFIBER, US
23.132.208.0/24 Transit: 15164 UPNLLC, US
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.252.160.0/24 Origin: 398968 GROUP-IID-01, US
23.252.160.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE
23.252.161.0/24 Origin: 398968 GROUP-IID-01, US
23.252.161.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE
23.252.162.0/24 Origin: 398968 GROUP-IID-01, US
23.252.162.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE
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 /8:16 /9:13 /10:41 /11:99 /12:300
/13:597 /14:1214 /15:2045 /16:13577 /17:8246 /18:13892
/19:25270 /20:42932 /21:50578 /22:107046 /23:93597 /24:507875
/25:1452 /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 5839 6875 UNI2-AS, ES
8151 4111 10153 Uninet S.A. de C.V., MX
11492 3581 4628 CABLEONE, US
6327 3190 3382 SHAW, CA
7155 3044 3954 VIASAT-SP-BACKBONE, US
22773 3017 4059 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2807 3271 ALJAWWALSTC-AS, SA
8551 2738 3273 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2249 2595 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 1921 2470 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1916 2:1048 3:145 4:19 5:3641 6:100
7:5 8:1547 9:1 11:172 12:1718 13:406
14:2262 15:121 16:27 17:372 18:124 20:134
21:4 22:188 23:5315 24:2388 25:2 27:2549
29:19 31:2382 32:106 34:1 35:47 36:1731
37:3918 38:2346 39:618 40:148 41:3823 42:1062
43:2079 44:289 45:15631 46:3721 47:324 49:1678
50:1880 51:100 52:1328 54:283 55:731 56:4
57:55 58:1750 59:1132 60:935 61:2245 62:2345
63:1959 64:5392 65:2355 66:4941 67:2873 68:1169
69:4088 70:1352 71:678 72:3091 74:2622 75:1500
76:704 77:2060 78:1741 79:2580 80:1864 81:1512
82:1376 83:1170 84:1298 85:2811 86:711 87:1861
88:975 89:3097 90:502 91:7447 92:1846 93:2565
94:3164 95:3554 96:1301 97:347 98:979 99:925
100:75 101:1045 102:1740 103:27397 104:4114 105:425
106:829 107:2430 108:745 109:3913 110:2048 111:3134
112:1958 113:1432 114:1536 115:1934 116:1871 117:2423
118:2337 119:1841 120:1604 121:1039 122:2537 123:2129
124:1597 125:2032 128:1380 129:1110 130:911 131:2059
132:750 133:364 134:1900 135:331 136:805 137:859
138:2398 139:1215 140:828 141:1298 142:1235 143:1377
144:1273 145:328 146:1574 147:1469 148:2224 149:1584
150:848 151:1078 152:1665 153:433 154:3260 155:1358
156:1801 157:1187 158:988 159:2037 160:2302 161:1275
162:3384 163:1110 164:1650 165:1481 166:608 167:1660
168:3645 169:683 170:4276 171:808 172:2811 173:3024
174:1000 175:1124 176:3391 177:4512 178:3009 179:1935
180:2258 181:2614 182:3146 183:1921 184:2414 185:18976
186:4229 187:3454 188:3586 189:2989 190:8677 191:1334
192:10960 193:8405 194:6862 195:4887 196:2859 197:2137
198:6030 199:5974 200:7389 201:5594 202:10473 203:10026
204:4499 205:3389 206:3846 207:3376 208:3999 209:4700
210:4219 211:2437 212:3778 213:3388 214:1155 215:64
216:6382 217:2627 218:1220 219:612 220:1952 221:975
222:852 223:2106
End of report
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