[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 15 21:13:53 UTC 2025
IPv4 R&E Routing Table Report 21:10 GMT Thu 15 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: 983696
Prefixes after maximum aggregation (per Origin AS): 378894
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479461
Number of IPv4 prefixes with a valid ROA: 545612
Number of IPv4 prefixes with an invalid ROA: 145
Number of IPv4 prefixes with no ROA: 437939
Total ASes present in the Internet Routing Table: 76814
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65798
Origin ASes announcing only one prefix: 26945
Transit ASes present in the Internet Routing Table: 11016
Transit-only ASes present in the Internet Routing Table: 555
Paths with bogon ASNs present in the IPv4 Routing Table: 20
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 155
Max AS path prepend of ASN (153737) 150
Prefixes from unregistered ASNs in the Routing Table: 991
Number of instances of unregistered ASNs: 997
Number of 32-bit ASNs allocated by the RIRs: 46405
Number of 32-bit ASNs visible in the Routing Table: 38220
Prefixes from 32-bit ASNs in the Routing Table: 202716
Number of bogon 32-bit ASNs visible in the Routing Table: 29
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 490
Number of addresses announced to Internet: 3109011712
Equivalent to 185 /8s, 79 /16s and 193 /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: 321831
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257601
Total APNIC prefixes after maximum aggregation: 77027
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 248713
Unique aggregates announced from the APNIC address blocks: 102999
APNIC Region origin ASes present in the Internet Routing Table: 14581
APNIC Prefixes per ASN: 17.06
APNIC Region origin ASes announcing only one prefix: 4440
APNIC Region transit ASes present in the Internet Routing Table: 1960
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 155
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10102
Number of APNIC addresses announced to Internet: 748503808
Equivalent to 44 /8s, 157 /16s and 67 /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: 290962
Total ARIN prefixes after maximum aggregation: 130747
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 292273
Unique aggregates announced from the ARIN address blocks: 138796
ARIN Region origin ASes present in the Internet Routing Table: 19246
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7053
ARIN Region transit ASes present in the Internet Routing Table: 1989
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: 5210
Number of ARIN addresses announced to Internet: 1352420608
Equivalent to 80 /8s, 156 /16s and 77 /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: 274046
Total RIPE prefixes after maximum aggregation: 134095
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272116
Unique aggregates announced from the RIPE address blocks: 174454
RIPE Region origin ASes present in the Internet Routing Table: 28915
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12062
RIPE Region transit ASes present in the Internet Routing Table: 3987
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: 730912000
Equivalent to 43 /8s, 144 /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
196608-216475
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: 124486
Total LACNIC prefixes after maximum aggregation: 29612
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120150
Unique aggregates announced from the LACNIC address blocks: 48930
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: 2694
LACNIC Region transit ASes present in the Internet Routing Table: 2500
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: 9187
Number of LACNIC addresses announced to Internet: 171734528
Equivalent to 10 /8s, 60 /16s and 118 /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: 35610
Total AfriNIC prefixes after maximum aggregation: 6792
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 49953
Unique aggregates announced from the AfriNIC address blocks: 13878
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 26.14
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 377
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet: 105211392
Equivalent to 6 /8s, 69 /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 10989 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6166 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4387 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4278 533 300 BBIL-AP BHARTI Airtel Ltd., IN
7552 3896 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3690 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3264 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 2165 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 13403 40829 4993 AMAZON-02, US
11492 4727 313 592 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3618 3053 213 ASN-CXA-ALL-CCI-22773-RDC, US
174 3462 8750 910 COGENT-174, US
749 3243 54815 2494 DNIC-AS-00749, US
396982 3166 3852 416 GOOGLE-CLOUD-PLATFORM, US
16625 3155 1320 2267 AKAMAI-AS, US
36352 2787 228 854 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 7693 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4066 3395 127 AKAMAI-ASN1, NL
9009 3773 325 1957 M247, RO
12389 3069 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 581 TELLCOM-AS, TR
212238 2141 150 1575 CDNEXT, GB
8452 1607 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1422 94 737 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 12102 3247 581 UNINET, MX
10620 3500 480 1019 Telmex Colombia S.A., CO
13999 2517 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 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1197 371 22 Telefonica del Peru S.A.A., PE
22884 1059 70 380 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 1652 389 16 LINKdotNET-AS, EG
29571 1597 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 1040 523 45 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 551 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 13403 40829 4993 AMAZON-02, US
8151 12102 3247 581 UNINET, MX
9808 10989 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7693 1714 148 UNI2-AS, ES
7545 6166 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4727 313 592 CABLEONE, US
18403 4387 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4278 533 300 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 12102 11521 UNINET, MX
9808 10989 10893 CHINAMOBILE-CN China Mobile Communications Grou
12479 7693 7545 UNI2-AS, ES
7545 6166 5512 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4387 4362 FPT-AS-AP FPT Telecom Company, VN
11492 4727 4135 CABLEONE, US
9498 4278 3978 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 3939 AKAMAI-ASN1, NL
7552 3896 3870 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 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
/13:582 /14:1223 /15:2168 /16:13984 /17:8274 /18:13714
/19:24629 /20:43922 /21:51691 /22:111953 /23:102135 /24:608956
/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 6611 7693 UNI2-AS, ES
8151 6300 12102 UNINET, MX
11492 3533 4727 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2744 3618 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2334 13403 AMAZON-02, US
30036 2231 2572 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2186 3500 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)
----------------------------------------------
1:2330 2:1532 3:736 4:11 5:4689 6:163
7:6 8:1583 9:1 11:172 12:1366 13:418
14:2519 15:353 16:284 17:373 18:919 20:518
21:4 22:188 23:7574 24:2801 25:2 27:2771
29:19 31:3265 32:36 33:1 34:80 35:207
36:2891 37:4636 38:9117 39:910 40:169 41:4209
42:1987 43:2581 44:385 45:18557 46:5060 47:301
49:1932 50:1896 51:590 52:1555 54:315 55:1094
56:11 57:258 58:2215 59:1215 60:1167 61:2777
62:2922 63:1816 64:5487 65:2062 66:4684 67:3070
68:1154 69:3937 70:1128 71:634 72:2845 74:2784
75:1623 76:614 77:2706 78:1896 79:1752 80:2200
81:2075 82:3135 83:1428 84:1864 85:3424 86:1068
87:2161 88:1322 89:4369 90:774 91:8345 92:2693
93:2899 94:4050 95:4320 96:1462 97:312 98:1020
99:686 100:72 101:1152 102:3921 103:32199 104:5040
105:763 106:1033 107:2666 108:1221 109:4077 110:2235
111:3319 112:2071 113:1785 114:1968 115:2172 116:2044
117:2657 118:2877 119:1954 120:1923 121:1374 122:2754
123:2174 124:1568 125:2845 126:91 128:1621 129:959
130:1304 131:1964 132:783 133:451 134:1542 135:332
136:1382 137:1305 138:2890 139:1597 140:1588 141:1506
142:1901 143:1749 144:1098 145:506 146:2168 147:2106
148:2684 149:2861 150:1211 151:1899 152:2087 153:564
154:8028 155:1961 156:3323 157:1900 158:1306 159:2451
160:3839 161:1881 162:3755 163:2146 164:1698 165:2200
166:1484 167:1906 168:4287 169:789 170:5085 171:1009
172:4480 173:3289 174:923 175:1302 176:3690 177:4679
178:3623 179:2267 180:2622 181:4071 182:3430 183:2118
184:2118 185:21575 186:5127 187:4437 188:4247 189:4262
190:9547 191:1468 192:11253 193:9494 194:7774 195:5512
196:3295 197:3645 198:6203 199:8460 200:8219 201:6341
202:10284 203:10616 204:4557 205:3568 206:4511 207:3584
208:4282 209:5200 210:4592 211:2541 212:4539 213:3731
214:1033 215:48 216:6733 217:3141 218:1342 219:382
220:2085 221:1086 222:718 223:2381
End of report
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