[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jul 20 21:13:30 UTC 2025
IPv4 R&E Routing Table Report 21:10 GMT Sun 20 Jul, 2025
IPv4 BGP Table (Global) as seen at AARNET (Brisbane).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/
Analysis Summary
----------------
BGP routing table entries examined: 989473
Prefixes after maximum aggregation (per Origin AS): 383137
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 486979
Number of IPv4 prefixes with a valid ROA: 555997
Number of IPv4 prefixes with an invalid ROA: 134
Number of IPv4 prefixes with no ROA: 433342
Total ASes present in the Internet Routing Table: 77007
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 65943
Origin ASes announcing only one prefix: 26926
Transit ASes present in the Internet Routing Table: 11064
Transit-only ASes present in the Internet Routing Table: 563
Paths with bogon ASNs present in the IPv4 Routing Table: 25
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 52
Max AS path prepend of ASN ( 7438) 33
Prefixes from unregistered ASNs in the Routing Table: 1113
Number of instances of unregistered ASNs: 1147
Number of 32-bit ASNs allocated by the RIRs: 46910
Number of 32-bit ASNs visible in the Routing Table: 38585
Prefixes from 32-bit ASNs in the Routing Table: 205509
Number of bogon 32-bit ASNs visible in the Routing Table: 95
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 433
Number of addresses announced to Internet: 3106923776
Equivalent to 185 /8s, 47 /16s and 229 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 322808
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261530
Total APNIC prefixes after maximum aggregation: 77840
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 252401
Unique aggregates announced from the APNIC address blocks: 104940
APNIC Region origin ASes present in the Internet Routing Table: 14708
APNIC Prefixes per ASN: 17.16
APNIC Region origin ASes announcing only one prefix: 4500
APNIC Region transit ASes present in the Internet Routing Table: 1984
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10251
Number of APNIC addresses announced to Internet: 749121024
Equivalent to 44 /8s, 166 /16s and 174 /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, 131072-155961
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: 291298
Total ARIN prefixes after maximum aggregation: 132036
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 293035
Unique aggregates announced from the ARIN address blocks: 141138
ARIN Region origin ASes present in the Internet Routing Table: 19232
ARIN Prefixes per ASN: 15.24
ARIN Region origin ASes announcing only one prefix: 7034
ARIN Region transit ASes present in the Internet Routing Table: 1999
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5261
Number of ARIN addresses announced to Internet: 1349204480
Equivalent to 80 /8s, 107 /16s and 58 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 276515
Total RIPE prefixes after maximum aggregation: 136048
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275593
Unique aggregates announced from the RIPE address blocks: 177450
RIPE Region origin ASes present in the Internet Routing Table: 28944
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12047
RIPE Region transit ASes present in the Internet Routing Table: 3993
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12556
Number of RIPE addresses announced to Internet: 732236544
Equivalent to 43 /8s, 165 /16s and 11 /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,
53/8, 57/8, 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: 124493
Total LACNIC prefixes after maximum aggregation: 29714
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120837
Unique aggregates announced from the LACNIC address blocks: 49186
LACNIC Region origin ASes present in the Internet Routing Table: 11257
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2649
LACNIC Region transit ASes present in the Internet Routing Table: 2527
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9225
Number of LACNIC addresses announced to Internet: 171101952
Equivalent to 10 /8s, 50 /16s and 207 /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: 34524
Total AfriNIC prefixes after maximum aggregation: 6758
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 47173
Unique aggregates announced from the AfriNIC address blocks: 13894
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 24.51
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 381
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1292
Number of AfriNIC addresses announced to Internet: 105014784
Equivalent to 6 /8s, 66 /16s and 102 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 11823 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6159 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4484 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4445 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3701 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3278 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2905 863 520 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2736 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2184 434 193 TATACOMM-AS TATA Communications formerly
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13696 40976 5292 AMAZON-02, US
11492 4813 319 611 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3624 1320 82 SHAW, CA
174 3446 8771 858 COGENT-174, US
22773 3341 3031 165 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3196 3855 432 GOOGLE-CLOUD-PLATFORM, US
16625 3065 1298 2224 AKAMAI-AS, US
4155 2860 217 1733 USDA-1, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7605 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4038 3395 127 AKAMAI-ASN1, NL
9009 3786 361 2107 M247, RO
12389 3120 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2403 361 583 TELLCOM-AS, TR
212238 2321 164 1689 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1545 1852 14 TE-AS TE-AS, EG
203020 1475 163 648 HOSTROYALE, IN
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12309 3259 574 UNINET, MX
10620 3513 481 1019 Telmex Colombia S.A., CO
13999 2529 511 349 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1370 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1201 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1194 371 22 Telefonica del Peru S.A.A., PE
22884 1068 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1022 373 162 Axtel, S.A.B. de C.V., MX
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1732 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1256 1484 342 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1213 389 22 LINKdotNET-AS, EG
37069 1097 1112 11 MOBINIL, EG
36935 822 520 43 Vodafone-, EG
36914 576 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 532 56 54 WANANCHI-, KE
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13696 40976 5292 AMAZON-02, US
8151 12309 3259 574 UNINET, MX
9808 11823 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7605 1712 148 UNI2-AS, ES
7545 6159 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4813 319 611 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4484 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4445 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3395 127 AKAMAI-ASN1, NL
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12309 11735 UNINET, MX
9808 11823 11707 CHINAMOBILE-CN China Mobile Communications Grou
12479 7605 7457 UNI2-AS, ES
7545 6159 5537 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4484 4459 FPT-AS-AP FPT Telecom Company, VN
11492 4813 4202 CABLEONE, US
9498 4445 4134 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3911 AKAMAI-ASN1, NL
7552 3918 3891 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/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://bgp.nsrc.org/REN/AARNET/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: 21859 ZEN-ECN, 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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:298
/13:582 /14:1210 /15:2151 /16:13783 /17:8226 /18:13503
/19:24543 /20:43975 /21:51728 /22:111808 /23:102889 /24:614613
/25:0 /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 6547 7605 UNI2-AS, ES
8151 6527 12309 UNINET, MX
11492 3606 4813 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3421 3624 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2352 13696 AMAZON-02, US
30036 2270 2611 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2200 3513 Telmex Colombia S.A., CO
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2405 2:1525 3:854 4:10 5:4761 6:162
7:6 8:1552 9:1 11:172 12:1335 13:460
14:2558 15:365 16:286 17:379 18:896 20:558
21:4 22:188 23:7735 24:2725 25:2 27:2820
29:19 31:3339 32:35 33:1 34:80 35:260
36:3630 37:4566 38:9411 39:911 40:253 41:4203
42:1977 43:2675 44:373 45:18572 46:5107 47:336
49:1869 50:1945 51:591 52:1553 54:327 55:1112
56:11 57:274 58:2176 59:1277 60:1183 61:2790
62:2966 63:1800 64:5531 65:2161 66:4718 67:3103
68:1085 69:3889 70:1043 71:631 72:2851 74:2793
75:1507 76:602 77:2758 78:1920 79:1694 80:2200
81:2052 82:3181 83:1439 84:1887 85:3467 86:1087
87:2136 88:1348 89:4422 90:778 91:8413 92:2710
93:2953 94:4065 95:4421 96:1467 97:310 98:954
99:695 100:71 101:1182 102:3879 103:32239 104:5212
105:792 106:970 107:2639 108:1181 109:4178 110:2231
111:3310 112:2236 113:1841 114:1955 115:2254 116:2062
117:2582 118:2987 119:1890 120:2144 121:1332 122:2792
123:2241 124:1643 125:2877 126:89 128:1610 129:967
130:1311 131:2051 132:776 133:450 134:1645 135:350
136:1452 137:1318 138:2815 139:1585 140:1636 141:1505
142:1908 143:1991 144:1179 145:562 146:2170 147:2102
148:2711 149:2936 150:1257 151:2221 152:2076 153:591
154:7549 155:1847 156:3075 157:1952 158:1347 159:2513
160:3627 161:1901 162:3858 163:2258 164:1844 165:2358
166:1518 167:2021 168:3984 169:786 170:5126 171:1006
172:4252 173:3388 174:918 175:1324 176:3723 177:4698
178:3931 179:2308 180:2602 181:4131 182:3512 183:2152
184:2082 185:21611 186:5220 187:4660 188:4274 189:4325
190:9562 191:1492 192:11351 193:9482 194:7771 195:5585
196:3301 197:3197 198:6225 199:8592 200:8217 201:6386
202:10382 203:10669 204:4680 205:3645 206:4526 207:3638
208:4281 209:5183 210:4624 211:2590 212:4556 213:3834
214:1021 215:46 216:6730 217:3219 218:1365 219:393
220:2143 221:1193 222:743 223:2674
End of report
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