[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 21 21:12:48 UTC 2025
IPv4 R&E Routing Table Report 21:10 GMT Wed 21 May, 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: 984041
Prefixes after maximum aggregation (per Origin AS): 378921
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479911
Number of IPv4 prefixes with a valid ROA: 546471
Number of IPv4 prefixes with an invalid ROA: 145
Number of IPv4 prefixes with no ROA: 437425
Total ASes present in the Internet Routing Table: 76797
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65801
Origin ASes announcing only one prefix: 26944
Transit ASes present in the Internet Routing Table: 10996
Transit-only ASes present in the Internet Routing Table: 546
Paths with bogon ASNs present in the IPv4 Routing Table: 21
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 101
Max AS path prepend of ASN ( 37447) 98
Prefixes from unregistered ASNs in the Routing Table: 990
Number of instances of unregistered ASNs: 996
Number of 32-bit ASNs allocated by the RIRs: 46478
Number of 32-bit ASNs visible in the Routing Table: 38219
Prefixes from 32-bit ASNs in the Routing Table: 202918
Number of bogon 32-bit ASNs visible in the Routing Table: 31
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 449
Number of addresses announced to Internet: 3109627648
Equivalent to 185 /8s, 89 /16s and 39 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 321619
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258094
Total APNIC prefixes after maximum aggregation: 77192
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 249155
Unique aggregates announced from the APNIC address blocks: 103091
APNIC Region origin ASes present in the Internet Routing Table: 14591
APNIC Prefixes per ASN: 17.08
APNIC Region origin ASes announcing only one prefix: 4443
APNIC Region transit ASes present in the Internet Routing Table: 1956
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10109
Number of APNIC addresses announced to Internet: 748551680
Equivalent to 44 /8s, 157 /16s and 254 /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: 291669
Total ARIN prefixes after maximum aggregation: 130981
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 292196
Unique aggregates announced from the ARIN address blocks: 139165
ARIN Region origin ASes present in the Internet Routing Table: 19232
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7042
ARIN Region transit ASes present in the Internet Routing Table: 1987
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: 5208
Number of ARIN addresses announced to Internet: 1352826368
Equivalent to 80 /8s, 162 /16s and 126 /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: 274118
Total RIPE prefixes after maximum aggregation: 134041
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 272349
Unique aggregates announced from the RIPE address blocks: 174705
RIPE Region origin ASes present in the Internet Routing Table: 28911
RIPE Prefixes per ASN: 9.42
RIPE Region origin ASes announcing only one prefix: 12069
RIPE Region transit ASes present in the Internet Routing Table: 3982
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12442
Number of RIPE addresses announced to Internet: 731404032
Equivalent to 43 /8s, 152 /16s and 87 /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: 123740
Total LACNIC prefixes after maximum aggregation: 29461
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120134
Unique aggregates announced from the LACNIC address blocks: 48912
LACNIC Region origin ASes present in the Internet Routing Table: 11237
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2693
LACNIC Region transit ASes present in the Internet Routing Table: 2501
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9182
Number of LACNIC addresses announced to Internet: 171739904
Equivalent to 10 /8s, 60 /16s and 139 /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: 35430
Total AfriNIC prefixes after maximum aggregation: 6630
AfriNIC Deaggregation factor: 5.34
Prefixes being announced from the AfriNIC address blocks: 49757
Unique aggregates announced from the AfriNIC address blocks: 13641
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 26.01
AfriNIC Region origin ASes announcing only one prefix: 697
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 101
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1278
Number of AfriNIC addresses announced to Internet: 104891392
Equivalent to 6 /8s, 64 /16s and 132 /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 11093 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6173 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4458 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4285 534 301 BBIL-AP BHARTI Airtel Ltd., IN
7552 3907 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3265 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2166 434 194 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 13440 40827 5093 AMAZON-02, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3621 3053 213 ASN-CXA-ALL-CCI-22773-RDC, US
174 3428 8746 882 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3165 3851 417 GOOGLE-CLOUD-PLATFORM, US
16625 3151 1319 2267 AKAMAI-AS, US
36352 2827 231 858 AS-COLOCROSSING, 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 7709 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4066 3395 127 AKAMAI-ASN1, NL
9009 3802 330 2017 M247, RO
12389 3071 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2389 360 579 TELLCOM-AS, TR
212238 2144 150 1575 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1423 94 738 CLOUVIDER Clouvider - Global ASN, GB
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 12138 3251 582 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2510 540 364 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1205 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1198 371 22 Telefonica del Peru S.A.A., PE
22884 1060 70 382 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1042 374 163 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 1778 632 28 RAYA-AS, EG
24863 1653 389 17 LINKdotNET-AS, EG
29571 1603 102 33 ORANGE-COTE-IVOIRE, CI
36992 1432 1519 280 ETISALAT-MISR, EG
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1037 523 46 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 542 82 3 KENET-AS, KE
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 13440 40827 5093 AMAZON-02, US
8151 12138 3251 582 UNINET, MX
9808 11093 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7709 1714 148 UNI2-AS, ES
7545 6173 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4735 314 586 CABLEONE, US
18403 4458 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4285 534 301 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 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 12138 11556 UNINET, MX
9808 11093 10997 CHINAMOBILE-CN China Mobile Communications Grou
12479 7709 7561 UNI2-AS, ES
7545 6173 5522 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4458 4433 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 CABLEONE, US
9498 4285 3984 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 3939 AKAMAI-ASN1, NL
7552 3907 3881 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
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
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: 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
23.146.16.0/24 Origin: 396281 RESERVED, ZZ
23.146.16.0/24 Transit: 7018 ATT-INTERNET4, US
23.146.19.0/24 Origin: 396281 RESERVED, ZZ
23.146.19.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:41 /11:92 /12:299
/13:583 /14:1223 /15:2166 /16:13980 /17:8273 /18:13692
/19:24612 /20:43901 /21:51697 /22:111918 /23:102178 /24:609353
/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 6625 7709 UNI2-AS, ES
8151 6330 12138 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2746 3621 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2323 13440 AMAZON-02, US
30036 2234 2575 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 3499 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)
----------------------------------------------
1:2368 2:1525 3:769 4:11 5:4700 6:163
7:6 8:1584 9:1 11:172 12:1362 13:430
14:2516 15:353 16:284 17:376 18:918 20:527
21:4 22:188 23:7583 24:2806 25:2 27:2775
29:19 31:3268 32:36 33:1 34:80 35:210
36:2952 37:4623 38:9105 39:910 40:169 41:4224
42:2001 43:2589 44:385 45:18556 46:5062 47:302
49:1933 50:1889 51:590 52:1559 54:313 55:1097
56:11 57:262 58:2218 59:1216 60:1167 61:2790
62:2922 63:1805 64:5476 65:2066 66:4661 67:3068
68:1157 69:3930 70:1125 71:634 72:2842 74:2773
75:1519 76:615 77:2706 78:1909 79:1711 80:2203
81:2081 82:3110 83:1431 84:1867 85:3423 86:1066
87:2137 88:1320 89:4378 90:775 91:8363 92:2699
93:2896 94:4048 95:4326 96:1462 97:311 98:1020
99:686 100:71 101:1176 102:3873 103:32192 104:5053
105:762 106:1034 107:2673 108:1219 109:4081 110:2242
111:3326 112:2088 113:1799 114:1971 115:2178 116:2048
117:2593 118:2884 119:1955 120:1945 121:1380 122:2761
123:2190 124:1584 125:2853 126:91 128:1626 129:962
130:1306 131:1972 132:786 133:451 134:1544 135:332
136:1353 137:1307 138:2891 139:1595 140:1589 141:1501
142:1900 143:1763 144:1102 145:504 146:2190 147:2111
148:2702 149:2873 150:1214 151:1929 152:2094 153:564
154:8120 155:1977 156:3275 157:1906 158:1321 159:2455
160:3826 161:1881 162:3754 163:2162 164:1700 165:2208
166:1480 167:1906 168:4293 169:796 170:5082 171:1008
172:4449 173:3296 174:926 175:1298 176:3701 177:4659
178:3631 179:2288 180:2628 181:4064 182:3441 183:2142
184:2113 185:21574 186:5150 187:4441 188:4256 189:4272
190:9548 191:1498 192:11224 193:9477 194:7772 195:5523
196:3266 197:3655 198:6200 199:8489 200:8193 201:6349
202:10283 203:10608 204:4559 205:3636 206:4490 207:3581
208:4266 209:5209 210:4589 211:2542 212:4548 213:3730
214:1026 215:48 216:6753 217:3136 218:1340 219:381
220:2087 221:1095 222:719 223:2390
End of report
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