[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Nov 7 21:13:50 UTC 2024
IPv4 R&E Routing Table Report 21:05 GMT Thu 07 Nov, 2024
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: 19641
Prefixes after maximum aggregation (per Origin AS): 9674
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 1136
Number of IPv4 prefixes with a valid ROA: 7363
Number of IPv4 prefixes with an invalid ROA: 11
Number of IPv4 prefixes with no ROA: 12267
Total ASes present in the Internet Routing Table: 2781
Prefixes per ASN: 7.06
Origin-only ASes present in the Internet Routing Table: 2408
Origin ASes announcing only one prefix: 1066
Transit ASes present in the Internet Routing Table: 373
Transit-only ASes present in the Internet Routing Table: 64
Paths with bogon ASNs present in the IPv4 Routing Table: 57
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 24
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 45796
Number of 32-bit ASNs visible in the Routing Table: 677
Prefixes from 32-bit ASNs in the Routing Table: 1865
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: 1
Number of addresses announced to Internet: 27115008
Equivalent to 1 /8s, 157 /16s and 190 /24s
Percentage of available address space announced: 0.7
Percentage of allocated address space announced: 0.6
Percentage of available address space allocated: 128.6
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 5177
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4941
Total APNIC prefixes after maximum aggregation: 2179
APNIC Deaggregation factor: 2.27
Prefixes being announced from the APNIC address blocks: 524
Unique aggregates announced from the APNIC address blocks: 18
APNIC Region origin ASes present in the Internet Routing Table: 565
APNIC Prefixes per ASN: 0.93
APNIC Region origin ASes announcing only one prefix: 234
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 216
Number of APNIC addresses announced to Internet: 11776
Equivalent to 0 /8s, 0 /16s and 46 /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 43/8, 45/8, 146/8, 150/8, 160/8, 163/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 8658
Total ARIN prefixes after maximum aggregation: 4745
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 4757
Unique aggregates announced from the ARIN address blocks: 67
ARIN Region origin ASes present in the Internet Routing Table: 1278
ARIN Prefixes per ASN: 3.72
ARIN Region origin ASes announcing only one prefix: 449
ARIN Region transit ASes present in the Internet Routing Table: 155
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: 215
Number of ARIN addresses announced to Internet: 560384
Equivalent to 0 /8s, 8 /16s and 141 /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 66/8, 139/8, 144/8, 149/8, 162/8, 164/8, 192/8,
198/8, 199/8, 204/8, 205/8, 207/8, 208/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3559
Total RIPE prefixes after maximum aggregation: 2083
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 860
Unique aggregates announced from the RIPE address blocks: 21
RIPE Region origin ASes present in the Internet Routing Table: 667
RIPE Prefixes per ASN: 1.29
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 106
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: 156
Number of RIPE addresses announced to Internet: 11008
Equivalent to 0 /8s, 0 /16s and 43 /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 152/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1439
Total LACNIC prefixes after maximum aggregation: 512
LACNIC Deaggregation factor: 2.81
Prefixes being announced from the LACNIC address blocks: 252
Unique aggregates announced from the LACNIC address blocks: 18
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 1.64
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
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 72/8, 128/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1042
Total AfriNIC prefixes after maximum aggregation: 153
AfriNIC Deaggregation factor: 6.81
Prefixes being announced from the AfriNIC address blocks: 83
Unique aggregates announced from the AfriNIC address blocks: 2
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 1.63
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 4352
Equivalent to 0 /8s, 0 /16s and 17 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 161/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 590 524400 326 SINET-AS Research Organization of Inform
7497 447 262242 30 CSTNET-AS-AP Computer Network Informatio
7575 331 15 83 AARNET-AS-AP Australian Academic and Rese
1237 191 524338 170 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
55824 132 524306 12 NKN-CORE-NW NKN Core Network, IN
4538 129 4189 73 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
4621 69 524322 15 UNINET-AS-AP UNINET-, TH
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 512 786717 66 CENIC-2152, US
2920 229 38 56 LACOE, US
668 204 524573 99 DNIC-AS-00668, US
376 201 786586 161 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 139 18 5 NETBLK-RCOEK, US
81 134 524804 33 NCREN, US
23024 95 262148 17 OCDE, US
21976 91 262192 20 NJEDGE-NET, US
237 85 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
680 283 140 36 DFN Verein zur Foerderung eines Deutschen
786 186 786928 43 JANET Jisc Services Limited, GB
8895 133 262168 5 ISU Internet Services Unit ISU, SA
559 114 262649 34 SWITCH Peering requests: peering at switch.
1103 97 787339 51 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 77 262163 40 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 209 262301 49 Rede Nacional de Ensino e Pesquisa, BR
28391 154 262149 28 Universidad Juarez Autonoma de Tabasco,
11340 110 262146 8 Red Universitaria Nacional, CL
271640 66 786432 66 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 262144 4 CEDIA, EC
2715 50 262243 36 Fundacao Carlos Chagas Filho de Amparo a
4270 48 16 2 Red de Interconexion Universitaria, AR
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 446 82 3 KENET-AS, KE
2018 381 262449 73 TENET-1, ZA
8094 47 262150 4 PUKNET, ZA
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327700 15 16 1 MoRENet, MZ
37661 12 262148 2 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 262160 3 UCT, ZA
37654 6 0 5 RwEdNet-AS, RW
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 590 524400 326 SINET-AS Research Organization of Inform
2152 512 786717 66 CENIC-2152, US
7497 447 262242 30 CSTNET-AS-AP Computer Network Informatio
36914 446 82 3 KENET-AS, KE
2018 381 262449 73 TENET-1, ZA
7575 331 15 83 AARNET-AS-AP Australian Academic and Rese
680 283 140 36 DFN Verein zur Foerderung eines Deutschen
2920 229 38 56 LACOE, US
1916 209 262301 49 Rede Nacional de Ensino e Pesquisa, BR
668 204 524573 99 DNIC-AS-00668, US
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
2152 512 446 CENIC-2152, US
36914 446 443 KENET-AS, KE
7497 447 417 CSTNET-AS-AP Computer Network Information Cente
2018 381 308 TENET-1, ZA
7575 331 248 AARNET-AS-AP Australian Academic and Research N
680 283 247 DFN Verein zur Foerderung eines Deutschen Forsc
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 229 173 LACOE, US
1916 209 160 Rede Nacional de Ensino e Pesquisa, BR
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
65000 PRIVATE 130.229.0.0/18 2837 SUNET-KI, SE
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
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:394 /2:5025 /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 /16:1988 /17:322 /18:334
/19:418 /20:620 /21:635 /22:1020 /23:1098 /24:7604
/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
7497 180 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
58647 149 180 KAGAWAU-AS Kagawa University, JP
36914 127 446 KENET-AS, KE
2920 123 229 LACOE, US
55824 123 132 NKN-CORE-NW NKN Core Network, IN
7575 118 331 AARNET-AS-AP Australian Academic and Research Network AARNet, AU
5786 84 197 UPRENET, PR
1736 78 79 MU-AS, US
28391 75 154 Universidad Juarez Autonoma de Tabasco, MX
4538 65 129 ERX-CERNET-BKB China Education and Research Network Center, CN
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 14:92
23:8 24:3 31:1 35:8 37:8 38:10
40:1 41:161 42:11 44:5 45:50 46:4
47:1 49:10 50:4 52:1 59:19 60:6
61:3 62:8 63:37 64:45 65:4 66:56
67:42 68:12 69:19 70:2 71:1 72:7
74:50 76:42 77:10 78:3 79:10 80:12
81:25 82:7 83:7 84:6 85:45 86:5
87:1 89:11 91:40 92:2 93:13 94:2
95:2 96:5 97:1 98:2 102:3 103:193
104:45 107:2 108:8 109:1 111:16 113:2
114:24 116:9 117:61 119:23 121:24 123:8
124:42 125:5 128:47 129:20 130:54 131:37
132:26 133:154 134:94 136:86 137:116 138:65
139:8 140:13 141:2 142:46 143:15 144:25
146:124 147:34 148:85 149:6 150:23 151:7
152:138 153:13 154:39 155:52 156:132 157:27
158:19 159:45 160:26 161:12 162:16 163:35
164:6 165:6 166:1 167:21 168:62 169:3
170:52 171:1 172:1 173:5 175:11 177:4
179:11 180:16 182:10 185:31 186:2 187:17
188:10 189:3 190:16 191:13 192:974 193:199
194:104 195:53 196:144 197:174 198:277 199:168
200:196 201:33 202:539 203:245 204:232 205:81
206:124 207:204 208:37 209:113 210:148 211:2
212:86 213:5 214:8 216:48 217:4 218:3
219:2 220:13 223:15
End of report
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