[lacnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora en apnic.net
Vie Mayo 3 15:02:22 -03 2024
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
UKNOF, 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 04 May, 2024
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: 946112
Prefixes after maximum aggregation (per Origin AS): 361668
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 461501
Total ASes present in the Internet Routing Table: 75769
Prefixes per ASN: 12.49
Origin-only ASes present in the Internet Routing Table: 64959
Origin ASes announcing only one prefix: 26655
Transit ASes present in the Internet Routing Table: 10810
Transit-only ASes present in the Internet Routing Table: 522
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1059
Number of instances of unregistered ASNs: 1061
Number of 32-bit ASNs allocated by the RIRs: 44363
Number of 32-bit ASNs visible in the Routing Table: 36351
Prefixes from 32-bit ASNs in the Routing Table: 186173
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 612
Number of addresses announced to Internet: 3027484544
Equivalent to 180 /8s, 115 /16s and 191 /24s
Percentage of available address space announced: 81.8
Percentage of allocated address space announced: 81.8
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: 312202
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 250716
Total APNIC prefixes after maximum aggregation: 73935
APNIC Deaggregation factor: 3.39
Prefixes being announced from the APNIC address blocks: 242737
Unique aggregates announced from the APNIC address blocks: 100733
APNIC Region origin ASes present in the Internet Routing Table: 14135
APNIC Prefixes per ASN: 17.17
APNIC Region origin ASes announcing only one prefix: 4298
APNIC Region transit ASes present in the Internet Routing Table: 1890
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9524
Number of APNIC addresses announced to Internet: 761314944
Equivalent to 45 /8s, 96 /16s and 190 /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, 131072-153913
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: 275869
Total ARIN prefixes after maximum aggregation: 125033
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 280790
Unique aggregates announced from the ARIN address blocks: 133719
ARIN Region origin ASes present in the Internet Routing Table: 19155
ARIN Prefixes per ASN: 14.66
ARIN Region origin ASes announcing only one prefix: 6963
ARIN Region transit ASes present in the Internet Routing Table: 1989
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4894
Number of ARIN addresses announced to Internet: 1268011776
Equivalent to 75 /8s, 148 /16s and 83 /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, 393216-402332
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: 265918
Total RIPE prefixes after maximum aggregation: 126811
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 260688
Unique aggregates announced from the RIPE address blocks: 163856
RIPE Region origin ASes present in the Internet Routing Table: 28622
RIPE Prefixes per ASN: 9.11
RIPE Region origin ASes announcing only one prefix: 12116
RIPE Region transit ASes present in the Internet Routing Table: 3968
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11761
Number of RIPE addresses announced to Internet: 714714880
Equivalent to 42 /8s, 153 /16s and 175 /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
196608-216475
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: 121480
Total LACNIC prefixes after maximum aggregation: 29022
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 119722
Unique aggregates announced from the LACNIC address blocks: 49565
LACNIC Region origin ASes present in the Internet Routing Table: 11083
LACNIC Prefixes per ASN: 10.80
LACNIC Region origin ASes announcing only one prefix: 2618
LACNIC Region transit ASes present in the Internet Routing Table: 2393
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: 8968
Number of LACNIC addresses announced to Internet: 177126656
Equivalent to 10 /8s, 142 /16s and 189 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 31070
Total AfriNIC prefixes after maximum aggregation: 6143
AfriNIC Deaggregation factor: 5.06
Prefixes being announced from the AfriNIC address blocks: 41563
Unique aggregates announced from the AfriNIC address blocks: 13159
AfriNIC Region origin ASes present in the Internet Routing Table: 1843
AfriNIC Prefixes per ASN: 22.55
AfriNIC Region origin ASes announcing only one prefix: 660
AfriNIC Region transit ASes present in the Internet Routing Table: 363
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 44
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1204
Number of AfriNIC addresses announced to Internet: 105994496
Equivalent to 6 /8s, 81 /16s and 89 /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 9843 8743 68 CHINAMOBILE-CN China Mobile Communicati
7545 5663 777 676 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4935 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3880 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3707 506 261 BBIL-AP BHARTI Airtel Ltd., IN
7713 3536 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3288 1872 99 VNPT-AS-VN VNPT Corp, VN
24560 2788 863 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2308 11524 583 KIXS-AS-KR Korea Telecom, KR
4755 2194 433 197 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 9810 11356 3512 AMAZON-02, US
11492 4605 305 617 CABLEONE, US
7155 4169 287 89 VIASAT-SP-BACKBONE, US
6327 3612 1320 79 SHAW, CA
22773 3500 3041 237 ASN-CXA-ALL-CCI-22773-RDC, US
174 3476 6635 848 COGENT-174, US
749 3227 54904 2479 DNIC-AS-00749, US
16625 3099 1319 2208 AKAMAI-AS, US
367 2812 3545 1347 DNIC-ASBLK-00306-00371, US
7018 2787 23650 1779 ATT-INTERNET4, 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 7711 1708 144 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3861 3396 130 AKAMAI-ASN1, NL
9009 3300 285 1619 M247, RO
12389 2990 2305 902 ROSTELECOM-AS, RU
8551 2642 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2347 363 584 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
8452 1565 1852 14 TE-AS TE-AS, EG
212238 1563 111 1133 CDNEXT, GB
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 12325 3319 491 UNINET, MX
10620 3521 495 912 Telmex Colombia S.A., CO
13999 2538 351 663 Mega Cable, S.A. de C.V., MX
11830 2003 369 64 Instituto Costarricense de Electricidad
28573 1329 2303 301 Claro NXT Telecomunicacoes Ltda, BR
3816 1314 788 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1168 175 438 Techtel LMDS Comunicaciones Interactiva
6503 1133 314 478 Axtel, S.A.B. de C.V., MX
6147 1100 369 22 Telefonica del Peru S.A.A., PE
22884 1064 113 368 TOTAL PLAY TELECOMUNICACIONES SA DE CV,
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
24835 1549 545 28 RAYA-AS, EG
24863 1501 389 20 LINKdotNET-AS, EG
36992 1371 1519 282 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1198 77 59 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 557 1861 35 IAM-AS, MA
15399 535 55 54 WANANCHI-, KE
36914 475 82 3 KENET-AS, KE
24757 432 73 5 EthioNet-AS, ET
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 12325 3319 491 UNINET, MX
9808 9843 8743 68 CHINAMOBILE-CN China Mobile Communicati
16509 9810 11356 3512 AMAZON-02, US
12479 7711 1708 144 UNI2-AS, ES
7545 5663 777 676 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4935 4192 74 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4605 305 617 CABLEONE, US
7155 4169 287 89 VIASAT-SP-BACKBONE, US
7552 3880 1331 21 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9843 9775 CHINAMOBILE-CN China Mobile Communications Grou
12479 7711 7567 UNI2-AS, ES
16509 9810 6298 AMAZON-02, US
7545 5663 4987 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4935 4861 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
7155 4169 4080 VIASAT-SP-BACKBONE, US
11492 4605 3988 CABLEONE, US
7552 3880 3859 VIETEL-AS-AP Viettel Group, VN
20940 3861 3731 AKAMAI-ASN1, NL
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
65536 DOCUMENT 5.102.30.0/24 65512 -Private Use AS-, ZZ
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, US
27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK
27.0.192.0/22 Transit: 51847 NEAROUTE, HK
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 /9:14 /10:37 /11:95 /12:298
/13:582 /14:1180 /15:2064 /16:13272 /17:8261 /18:13746
/19:24754 /20:43907 /21:51659 /22:111333 /23:98702 /24:575471
/25:721 /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 6820 7711 UNI2-AS, ES
8151 6361 12325 UNINET, MX
11492 3514 4605 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3408 3612 SHAW, CA
7155 3113 4169 VIASAT-SP-BACKBONE, US
22773 2592 3500 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2151 2497 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2134 3521 Telmex Colombia S.A., CO
8551 2118 2642 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1653 2:1505 3:334 4:6 5:4539 6:163
7:6 8:1508 9:1 11:172 12:1459 13:361
14:2410 15:318 16:210 17:369 18:765 20:365
21:4 22:188 23:6765 24:2711 25:2 27:2538
29:19 31:2564 32:48 34:60 35:132 36:2290
37:4468 38:7418 39:896 40:122 41:4111 42:987
43:2378 44:315 45:17114 46:4471 47:307 49:1952
50:1908 51:573 52:1580 54:311 55:954 56:5
57:168 58:1922 59:1247 60:1034 61:2611 62:2691
63:1901 64:5516 65:2339 66:4693 67:2995 68:1323
69:4109 70:1187 71:579 72:2879 74:2598 75:1555
76:613 77:2475 78:1856 79:2513 80:2192 81:2016
82:1559 83:1330 84:1658 85:3153 86:846 87:2262
88:1244 89:4081 90:671 91:8115 92:2297 93:2687
94:3713 95:4170 96:1291 97:315 98:1044 99:741
100:72 101:1177 102:3157 103:32541 104:4848 105:655
106:945 107:2778 108:1149 109:4123 110:2139 111:3294
112:2070 113:1593 114:1785 115:2035 116:1898 117:2624
118:2392 119:1969 120:1793 121:1321 122:2674 123:2229
124:1641 125:2885 126:32 128:1481 129:935 130:1143
131:1840 132:804 133:410 134:1734 135:321 136:950
137:1061 138:2817 139:1556 140:1398 141:1347 142:1588
143:1499 144:1001 145:363 146:2055 147:1873 148:2490
149:2734 150:1036 151:1345 152:2144 153:525 154:6507
155:1453 156:2476 157:1768 158:1147 159:2325 160:2652
161:1661 162:3555 163:1698 164:1642 165:2137 166:1176
167:1798 168:3927 169:799 170:4851 171:1018 172:3844
173:3043 174:896 175:1205 176:3639 177:4684 178:3730
179:2210 180:2349 181:3712 182:3436 183:1779 184:2277
185:20784 186:5006 187:4427 188:4073 189:4153 190:9421
191:1459 192:10975 193:9095 194:7507 195:5277 196:3141
197:2483 198:6046 199:7779 200:7959 201:6347 202:10492
203:10175 204:4587 205:3784 206:4503 207:3537 208:4149
209:5063 210:4679 211:2587 212:4322 213:3437 214:1060
215:49 216:6772 217:3000 218:1361 219:580 220:2052
221:1033 222:886 223:2244
End of report
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