[lacnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora en apnic.net
Vie Jun 10 15:02:55 -03 2022
This is an automated weekly mailing describing the state of the 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 11 Jun, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 900506
Prefixes after maximum aggregation (per Origin AS): 339370
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 434242
Total ASes present in the Internet Routing Table: 73256
Prefixes per ASN: 12.29
Origin-only ASes present in the Internet Routing Table: 62869
Origin ASes announcing only one prefix: 25827
Transit ASes present in the Internet Routing Table: 10387
Transit-only ASes present in the Internet Routing Table: 376
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 918
Number of instances of unregistered ASNs: 925
Number of 32-bit ASNs allocated by the RIRs: 39573
Number of 32-bit ASNs visible in the Routing Table: 32813
Prefixes from 32-bit ASNs in the Routing Table: 154828
Number of bogon 32-bit ASNs visible in the Routing Table: 242
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 495
Number of addresses announced to Internet: 3065155456
Equivalent to 182 /8s, 178 /16s and 143 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 305833
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 235356
Total APNIC prefixes after maximum aggregation: 66865
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 230680
Unique aggregates announced from the APNIC address blocks: 95361
APNIC Region origin ASes present in the Internet Routing Table: 12701
APNIC Prefixes per ASN: 18.16
APNIC Region origin ASes announcing only one prefix: 3643
APNIC Region transit ASes present in the Internet Routing Table: 1751
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7915
Number of APNIC addresses announced to Internet: 773710848
Equivalent to 46 /8s, 29 /16s and 228 /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: 263341
Total ARIN prefixes after maximum aggregation: 120608
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 263102
Unique aggregates announced from the ARIN address blocks: 126827
ARIN Region origin ASes present in the Internet Routing Table: 19035
ARIN Prefixes per ASN: 13.82
ARIN Region origin ASes announcing only one prefix: 6894
ARIN Region transit ASes present in the Internet Routing Table: 1932
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4526
Number of ARIN addresses announced to Internet: 1293383680
Equivalent to 77 /8s, 23 /16s and 120 /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: 258021
Total RIPE prefixes after maximum aggregation: 118041
RIPE Deaggregation factor: 2.19
Prefixes being announced from the RIPE address blocks: 255597
Unique aggregates announced from the RIPE address blocks: 151284
RIPE Region origin ASes present in the Internet Routing Table: 28127
RIPE Prefixes per ASN: 9.09
RIPE Region origin ASes announcing only one prefix: 12033
RIPE Region transit ASes present in the Internet Routing Table: 3974
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 40
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10703
Number of RIPE addresses announced to Internet: 713612416
Equivalent to 42 /8s, 136 /16s and 220 /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: 115036
Total LACNIC prefixes after maximum aggregation: 27674
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 114810
Unique aggregates announced from the LACNIC address blocks: 48715
LACNIC Region origin ASes present in the Internet Routing Table: 10981
LACNIC Prefixes per ASN: 10.46
LACNIC Region origin ASes announcing only one prefix: 2687
LACNIC Region transit ASes present in the Internet Routing Table: 2230
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8693
Number of LACNIC addresses announced to Internet: 176417536
Equivalent to 10 /8s, 131 /16s and 235 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 27834
Total AfriNIC prefixes after maximum aggregation: 5473
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 35822
Unique aggregates announced from the AfriNIC address blocks: 11639
AfriNIC Region origin ASes present in the Internet Routing Table: 1651
AfriNIC Prefixes per ASN: 21.70
AfriNIC Region origin ASes announcing only one prefix: 570
AfriNIC Region transit ASes present in the Internet Routing Table: 332
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 976
Number of AfriNIC addresses announced to Internet: 107740416
Equivalent to 6 /8s, 107 /16s and 253 /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 9224 8880 38 CHINAMOBILE-CN China Mobile Communicati
7545 5921 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4711 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3578 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3483 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN
4766 2493 11121 601 KIXS-AS-KR Korea Telecom, KR
9498 2412 499 236 BBIL-AP BHARTI Airtel Ltd., IN
45090 2170 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2127 425 216 TATACOMM-AS TATA Communications formerl
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 6631 10371 2689 AMAZON-02, US
11492 4528 300 650 CABLEONE, US
22773 3910 3071 365 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3901 264 31 VIASAT-SP-BACKBONE, US
16625 3455 1801 2512 AKAMAI-AS, US
6327 3442 1319 65 SHAW, CA
749 2963 50742 2219 DNIC-AS-00749, US
30036 2622 375 192 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2437 4961 419 CENTURYLINK-US-LEGACY-QWEST, US
20115 2251 3053 490 CHARTER-20115, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6835 1730 143 UNI2-AS, ES
9121 6745 1692 17 TTNET, TR
8551 4000 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3976 3360 204 AKAMAI-ASN1, NL
39891 3873 226 43 ALJAWWALSTC-AS, SA
12389 2961 2273 907 ROSTELECOM-AS, RU
6849 2874 355 21 UKRTELNET, UA
9009 2482 247 1282 M247, GB
34984 2245 357 633 TELLCOM-AS, TR
47331 2087 327 1601 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10706 3401 551 Uninet S.A. de C.V., MX
10620 3486 519 740 Telmex Colombia S.A., CO
11830 2436 369 63 Instituto Costarricense de Electricidad
13999 1856 307 483 Mega Cable, S.A. de C.V., MX
6503 1444 355 526 Axtel, S.A.B. de C.V., MX
28573 1375 2332 273 CLARO S.A., BR
3816 1258 671 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1079 369 21 Telefonica del Peru S.A.A., PE
11664 1031 192 439 Techtel LMDS Comunicaciones Interactiva
11172 958 133 61 Alestra, S. de R.L. de C.V., MX
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1603 393 19 LINKdotNET-AS, EG
24835 1506 521 31 RAYA-AS, EG
36992 1316 1519 264 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 961 65 58 ORANGE-COTE-IVOIRE, CI
36935 776 520 42 Vodafone-, EG
6713 610 1863 34 IAM-AS, MA
15399 518 51 37 WANANCHI-, KE
37342 458 32 1 MOVITEL, MZ
23889 423 232 16 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10706 3401 551 Uninet S.A. de C.V., MX
9808 9224 8880 38 CHINAMOBILE-CN China Mobile Communicati
12479 6835 1730 143 UNI2-AS, ES
9121 6745 1692 17 TTNET, TR
16509 6631 10371 2689 AMAZON-02, US
7545 5921 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4711 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4528 300 650 CABLEONE, US
8551 4000 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3976 3360 204 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9224 9186 CHINAMOBILE-CN China Mobile Communications Grou
9121 6745 6728 TTNET, TR
12479 6835 6692 UNI2-AS, ES
7545 5921 5227 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4711 4636 ERX-CERNET-BKB China Education and Research Net
8551 4000 3961 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
16509 6631 3942 AMAZON-02, US
11492 4528 3878 CABLEONE, US
7155 3901 3870 VIASAT-SP-BACKBONE, US
39891 3873 3830 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US
394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US
23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.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
/13:591 /14:1208 /15:2054 /16:13515 /17:8292 /18:13852
/19:25125 /20:44192 /21:52306 /22:108637 /23:96452 /24:533008
/25:805 /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
9121 5899 6745 TTNET, TR
12479 5812 6835 UNI2-AS, ES
8151 4425 10706 Uninet S.A. de C.V., MX
8551 3466 4000 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3431 4528 CABLEONE, US
6327 3250 3442 SHAW, CA
39891 3185 3873 ALJAWWALSTC-AS, SA
7155 2991 3901 VIASAT-SP-BACKBONE, US
22773 2911 3910 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2730 2874 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1936 2:1024 3:157 4:6 5:3798 6:108
7:5 8:1574 9:1 11:173 12:1681 13:332
14:2369 15:209 16:42 17:386 18:171 20:213
21:4 22:188 23:5682 24:2365 25:6 27:2613
29:19 31:2441 32:95 34:3 35:87 36:1773
37:4460 38:3043 39:710 40:152 41:3901 42:1122
43:2215 44:290 45:15858 46:4148 47:326 49:1690
50:2170 51:108 52:1444 54:381 55:758 56:8
57:58 58:1767 59:1156 60:961 61:2266 62:2489
63:1941 64:5550 65:2342 66:4846 67:2977 68:1194
69:4186 70:1330 71:683 72:3051 74:2664 75:1392
76:584 77:2188 78:3919 79:3124 80:1992 81:1754
82:1495 83:1211 84:1330 85:3675 86:713 87:1946
88:2767 89:3338 90:534 91:7596 92:2009 93:2553
94:3464 95:4782 96:1311 97:351 98:999 99:754
100:77 101:1045 102:2105 103:29220 104:4466 105:467
106:874 107:2535 108:847 109:4264 110:1999 111:3304
112:2039 113:1539 114:1482 115:1977 116:1914 117:2514
118:2324 119:1849 120:1699 121:1075 122:2542 123:2096
124:1599 125:2124 128:1242 129:1084 130:982 131:2033
132:775 133:378 134:1926 135:280 136:875 137:855
138:2435 139:1517 140:889 141:1422 142:1294 143:1453
144:1206 145:349 146:1833 147:1509 148:2212 149:1743
150:855 151:1077 152:1851 153:460 154:3567 155:1438
156:1811 157:1237 158:1044 159:2206 160:2533 161:1279
162:3467 163:1277 164:1626 165:1613 166:726 167:1716
168:3783 169:853 170:4482 171:831 172:3210 173:3133
174:1018 175:1133 176:3593 177:4610 178:3548 179:2069
180:2288 181:2996 182:3249 183:1954 184:2366 185:19538
186:4290 187:3818 188:3927 189:3328 190:8892 191:1308
192:11002 193:8634 194:7033 195:4965 196:2951 197:2392
198:5998 199:6043 200:7583 201:5833 202:10499 203:10031
204:4539 205:3451 206:3747 207:3393 208:4027 209:4697
210:4364 211:2439 212:4045 213:3416 214:1147 215:66
216:6483 217:2673 218:1295 219:573 220:1945 221:1009
222:825 223:2155
End of report
Más información sobre la lista de distribución LACNOG