[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jan 20 21:13:03 UTC 2025
IPv4 R&E Routing Table Report 21:05 GMT Mon 20 Jan, 2025
IPv4 BGP Table (R&E) as seen at AARNET (Brisbane).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Brisbane/
Analysis Summary
----------------
BGP routing table entries examined: 19761
Prefixes after maximum aggregation (per Origin AS): 9619
Deaggregation factor: 2.05
Unique aggregates announced (without unneeded subnets): 1147
Number of IPv4 prefixes with a valid ROA: 7565
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 12189
Total ASes present in the Internet Routing Table: 2794
Prefixes per ASN: 7.07
Origin-only ASes present in the Internet Routing Table: 2415
Origin ASes announcing only one prefix: 1083
Transit ASes present in the Internet Routing Table: 379
Transit-only ASes present in the Internet Routing Table: 75
Paths with bogon ASNs present in the IPv4 Routing Table: 23
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 46119
Number of 32-bit ASNs visible in the Routing Table: 672
Prefixes from 32-bit ASNs in the Routing Table: 1806
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 3
Number of addresses announced to Internet: 27076608
Equivalent to 1 /8s, 157 /16s and 40 /24s
Percentage of available address space announced: 0.7
Percentage of allocated address space announced: 0.7
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: 1888
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4988
Total APNIC prefixes after maximum aggregation: 2160
APNIC Deaggregation factor: 2.31
Prefixes being announced from the APNIC address blocks: 4988
Unique aggregates announced from the APNIC address blocks: 64
APNIC Region origin ASes present in the Internet Routing Table: 560
APNIC Prefixes per ASN: 8.91
APNIC Region origin ASes announcing only one prefix: 234
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 11
Number of APNIC region 32-bit ASNs visible in the Routing Table: 209
Number of APNIC addresses announced to Internet: 4206848
Equivalent to 0 /8s, 64 /16s and 49 /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: 8649
Total ARIN prefixes after maximum aggregation: 4725
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 8658
Unique aggregates announced from the ARIN address blocks: 548
ARIN Region origin ASes present in the Internet Routing Table: 1287
ARIN Prefixes per ASN: 6.73
ARIN Region origin ASes announcing only one prefix: 462
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 213
Number of ARIN addresses announced to Internet: -1054343168
Equivalent to 193 /8s, 40 /16s and 0 /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: 3549
Total RIPE prefixes after maximum aggregation: 2076
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 3540
Unique aggregates announced from the RIPE address blocks: 503
RIPE Region origin ASes present in the Internet Routing Table: 660
RIPE Prefixes per ASN: 5.36
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 154
Number of RIPE addresses announced to Internet: 3236096
Equivalent to 0 /8s, 49 /16s and 97 /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: 1403
Total LACNIC prefixes after maximum aggregation: 502
LACNIC Deaggregation factor: 2.79
Prefixes being announced from the LACNIC address blocks: 1402
Unique aggregates announced from the LACNIC address blocks: 18
LACNIC Region origin ASes present in the Internet Routing Table: 159
LACNIC Prefixes per ASN: 8.82
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 8960
Equivalent to 0 /8s, 0 /16s and 35 /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: 1171
Total AfriNIC prefixes after maximum aggregation: 155
AfriNIC Deaggregation factor: 7.55
Prefixes being announced from the AfriNIC address blocks: 1170
Unique aggregates announced from the AfriNIC address blocks: 14
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 22.50
AfriNIC Region origin ASes announcing only one prefix: 30
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 1073967872
Equivalent to 64 /8s, 3 /16s and 115 /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
2907 626 524400 326 SINET-AS Research Organization of Inform
7497 450 262242 30 CSTNET-AS-AP Computer Network Informatio
1237 192 786482 171 KREONET-AS-KR KISTI, KR
7575 188 15 85 AARNET-AS-AP Australian Academic and Rese
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
55824 146 524306 11 NKN-CORE-NW NKN Core Network, IN
10079 145 16 1 UNIWESTSYD-AS-AP University of Western Sy
4538 140 4189 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
24313 70 16 1 NSW-DET-AS NSW Department of Education, A
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 527 786717 65 CENIC-2152, US
2920 226 786470 55 LACOE, US
668 206 786717 101 DNIC-AS-00668, US
376 201 786586 161 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 140 18 5 NETBLK-RCOEK, US
81 129 524806 34 NCREN, US
23024 99 524292 18 OCDE, US
21976 90 262176 19 NJEDGE-NET, US
237 82 786803 27 MERIT-AS-14, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 140 36 DFN Verein zur Foerderung eines Deutschen
786 186 786928 43 JANET Jisc Services Limited, GB
8895 131 262168 5 ISU Internet Services Unit ISU, SA
559 114 262649 34 SWITCH Peering requests: peering at switch.
1103 96 787323 50 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 262164 19 ROEDUNET, RO
137 82 262738 38 ASGARR Consortium GARR, IT
1930 79 262165 5 RCCN Fundacao para a Ciencia e a Tecnolo
553 78 524737 78 BELWUE BelWue-Koordination, DE
3267 78 262166 41 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 159 262301 49 Rede Nacional de Ensino e Pesquisa, BR
28391 157 262149 29 Universidad Juarez Autonoma de Tabasco,
11340 109 262146 8 Red Universitaria Nacional, CL
271640 67 0 67 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 53 16 1 Red de Interconexion Universitaria, AR
61468 52 262144 4 CEDIA, EC
2715 49 262243 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 16 13 Associacao Antonio Vieira - Unisinos, BR
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 524316 27 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 544 82 3 KENET-AS, KE
2018 379 262449 73 TENET-1, ZA
8094 47 262150 4 PUKNET, ZA
37182 36 8 1 TERNET, TZ
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 12 262148 2 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
327700 11 16 1 MoRENet, MZ
36982 8 262160 3 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 626 524400 326 SINET-AS Research Organization of Inform
36914 544 82 3 KENET-AS, KE
2152 527 786717 65 CENIC-2152, US
7497 450 262242 30 CSTNET-AS-AP Computer Network Informatio
2018 379 262449 73 TENET-1, ZA
680 284 140 36 DFN Verein zur Foerderung eines Deutschen
2920 226 786470 55 LACOE, US
668 206 786717 101 DNIC-AS-00668, US
376 201 786586 161 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 544 541 KENET-AS, KE
2152 527 462 CENIC-2152, US
7497 450 420 CSTNET-AS-AP Computer Network Information Cente
2018 379 306 TENET-1, ZA
680 284 248 DFN Verein zur Foerderung eines Deutschen Forsc
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 226 171 LACOE, US
10079 145 144 UNIWESTSYD-AS-AP University of Western Sydney,
786 186 143 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/2 Origin: 37661 NRaE1-AS, NG
164.160.192.0/2 Transit: 37288 WACREN, SN
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:392 /2:5081 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:1 /11:1 /12:11
/13:18 /14:33 /15:118 /16:1978 /17:314 /18:338
/19:419 /20:625 /21:634 /22:1016 /23:1092 /24:7689
/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
36914 370 544 KENET-AS, KE
8895 86 131 ISU Internet Services Unit ISU, SA
37182 35 36 TERNET, TZ
3267 34 78 NIKS, RU
23024 34 99 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
32440 31 58 LONI, US
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:93
23:8 24:3 31:1 35:9 37:8 38:11
40:1 41:249 42:11 44:4 45:51 46:4
47:1 49:11 50:4 52:1 59:19 60:6
61:3 62:7 63:36 64:45 65:5 66:58
67:41 68:13 69:18 70:2 71:1 72:8
74:52 76:38 77:10 78:3 79:10 80:12
81:25 82:7 83:7 84:6 85:45 86:5
87:1 89:10 91:40 92:2 93:13 94:2
95:2 96:5 97:1 98:2 102:4 103:187
104:44 107:2 108:8 109:2 111:16 113:1
114:24 116:9 117:61 119:23 121:24 123:8
124:42 125:5 128:52 129:21 130:54 131:39
132:26 133:155 134:94 136:86 137:117 138:65
139:7 140:14 141:2 142:33 143:15 144:24
146:123 147:38 148:87 149:7 150:53 151:7
152:130 153:13 154:42 155:53 156:129 157:26
158:20 159:44 160:26 161:12 162:16 163:35
164:6 165:6 167:21 168:61 169:3 170:51
171:1 172:1 173:5 175:11 177:5 179:11
180:16 182:10 185:28 186:2 187:17 188:11
189:3 190:16 191:13 192:981 193:199 194:99
195:55 196:143 197:182 198:278 199:168 200:153
201:33 202:544 203:246 204:229 205:83 206:124
207:201 208:37 209:115 210:151 211:2 212:87
213:5 214:9 216:51 217:4 218:3 219:2
220:13 223:15
End of report
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