[REN-BGP-stats-all] IPv4 R&E Routing Table Report - ASREN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Nov 6 17:05:41 UTC 2024
IPv4 R&E Routing Table Report 17:05 GMT Wed 06 Nov, 2024
IPv4 BGP Table (R&E) as seen at ASREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 12685
Prefixes after maximum aggregation (per Origin AS): 7768
Deaggregation factor: 1.63
Unique aggregates announced (without unneeded subnets): 8592
Number of IPv4 prefixes with a valid ROA: 4955
Number of IPv4 prefixes with an invalid ROA: 1
Number of IPv4 prefixes with no ROA: 7729
Total ASes present in the Internet Routing Table: 1990
Prefixes per ASN: 6.37
Origin-only ASes present in the Internet Routing Table: 1720
Origin ASes announcing only one prefix: 816
Transit ASes present in the Internet Routing Table: 270
Transit-only ASes present in the Internet Routing Table: 48
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 19
Max AS path prepend of ASN (327947) 11
Prefixes from unregistered ASNs in the Routing Table: 0
Number of instances of unregistered ASNs: 0
Number of 32-bit ASNs allocated by the RIRs: 45777
Number of 32-bit ASNs visible in the Routing Table: 474
Prefixes from 32-bit ASNs in the Routing Table: 1237
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: 157927264
Equivalent to 9 /8s, 105 /16s and 199 /24s
Percentage of available address space announced: 4.3
Percentage of allocated address space announced: 3.3
Percentage of available address space allocated: 128.8
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 4496
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3162
Total APNIC prefixes after maximum aggregation: 1672
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 432
Unique aggregates announced from the APNIC address blocks: 366
APNIC Region origin ASes present in the Internet Routing Table: 419
APNIC Prefixes per ASN: 1.03
APNIC Region origin ASes announcing only one prefix: 195
APNIC Region transit ASes present in the Internet Routing Table: 40
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 175
Number of APNIC addresses announced to Internet: 6641728
Equivalent to 0 /8s, 101 /16s and 88 /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: 5660
Total ARIN prefixes after maximum aggregation: 3301
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 3406
Unique aggregates announced from the ARIN address blocks: 2362
ARIN Region origin ASes present in the Internet Routing Table: 874
ARIN Prefixes per ASN: 3.90
ARIN Region origin ASes announcing only one prefix: 313
ARIN Region transit ASes present in the Internet Routing Table: 111
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 137
Number of ARIN addresses announced to Internet: 22314112
Equivalent to 1 /8s, 84 /16s and 124 /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, 131/8, 137/8, 139/8, 144/8, 149/8, 162/8,
164/8, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8,
208/8, 209/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 2952
Total RIPE prefixes after maximum aggregation: 2461
RIPE Deaggregation factor: 1.20
Prefixes being announced from the RIPE address blocks: 892
Unique aggregates announced from the RIPE address blocks: 826
RIPE Region origin ASes present in the Internet Routing Table: 570
RIPE Prefixes per ASN: 1.56
RIPE Region origin ASes announcing only one prefix: 266
RIPE Region transit ASes present in the Internet Routing Table: 85
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 137
Number of RIPE addresses announced to Internet: 12942336
Equivalent to 0 /8s, 197 /16s and 124 /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: 562
Total LACNIC prefixes after maximum aggregation: 288
LACNIC Deaggregation factor: 1.95
Prefixes being announced from the LACNIC address blocks: 151
Unique aggregates announced from the LACNIC address blocks: 121
LACNIC Region origin ASes present in the Internet Routing Table: 52
LACNIC Prefixes per ASN: 2.90
LACNIC Region origin ASes announcing only one prefix: 24
LACNIC Region transit ASes present in the Internet Routing Table: 15
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 8
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 12
Number of LACNIC addresses announced to Internet: 424704
Equivalent to 0 /8s, 6 /16s and 123 /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: 349
Total AfriNIC prefixes after maximum aggregation: 46
AfriNIC Deaggregation factor: 7.59
Prefixes being announced from the AfriNIC address blocks: 0
Unique aggregates announced from the AfriNIC address blocks: 0
AfriNIC Region origin ASes present in the Internet Routing Table: 27
AfriNIC Prefixes per ASN: 0.00
AfriNIC Region origin ASes announcing only one prefix: 18
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 5.6
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 13
Number of AfriNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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 595 2170 465 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 132 18 19 NKN-CORE-NW NKN Core Network, IN
4538 126 4192 72 ERX-CERNET-BKB China Education and Resear
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
45773 47 3 5 HECPERN-AS-PK PERN AS Content Servie Prov
132524 44 9 11 TIFR-AS Tata Institute of Fundamental Res
24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeast
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
5786 197 16 1 UPRENET, PR
376 194 162 147 RISQ-AS, CA
2920 175 34 7 LACOE, US
2152 150 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
23024 95 7 21 OCDE, US
21976 91 50 17 NJEDGE-NET, US
237 85 541 50 MERIT-AS-14, US
1736 79 16 1 MU-AS, US
81 77 218 37 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
786 186 1767 183 JANET Jisc Services Limited, GB
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 78 88 73 RCCN Fundacao para a Ciencia e a Tecnolog
2200 63 598 58 FR-RENATER Reseau National de telecommuni
200521 54 4 24 SEAP-AGE, ES
1653 53 150 50 SUNET SUNET Swedish University Network, E
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 196 39 113 Rede Nacional de Ensino e Pesquisa, BR
11340 110 25 53 Red Universitaria Nacional, CL
271640 65 4 28 UNIVERSIDADE FEDERAL DE VICOSA, BR
20191 28 16 1 Pontificia Universidad Catolica de Chile,
3597 21 16 2 Fundacion InnovaT, AR
27790 18 2 2 Universidad Nacional de Cordoba, AR
28571 18 40 18 UNIVERSIDADE DE SAO PAULO, BR
61468 14 1 8 CEDIA, EC
262742 8 2 1 Fundacao Universidade Federal do ABC - UF
28027 7 2 1 Escuela Superior Politecnica del Litoral,
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 233 82 3 KENET-AS, KE
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327700 15 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37654 6 0 5 RwEdNet-AS, RW
327947 4 4 1 KNUST-, GH
37182 2 0 2 TERNET, TZ
37532 2 20 2 ZAMREN, ZM
3208 1 2 1 ARN, DZ
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 595 2170 465 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
36914 233 82 3 KENET-AS, KE
5786 197 16 1 UPRENET, PR
1916 196 39 113 Rede Nacional de Ensino e Pesquisa, BR
376 194 162 147 RISQ-AS, CA
786 186 1767 183 JANET Jisc Services Limited, GB
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
2920 175 34 7 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
36914 233 230 KENET-AS, KE
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
18558 140 136 NETBLK-RCOEK, US
55824 132 113 NKN-CORE-NW NKN Core Network, IN
1916 196 83 Rede Nacional de Ensino e Pesquisa, BR
1736 79 78 MU-AS, US
23024 95 74 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-CIDRnet
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:1 /11:0 /12:10
/13:16 /14:33 /15:96 /16:1533 /17:278 /18:275
/19:388 /20:534 /21:581 /22:952 /23:1068 /24:6777
/25:41 /26:67 /27:34 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7497 263 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
5786 196 197 UPRENET, PR
58647 149 180 KAGAWAU-AS Kagawa University, JP
2920 135 175 LACOE, US
36914 124 233 KENET-AS, KE
55824 124 132 NKN-CORE-NW NKN Core Network, IN
23024 92 95 OCDE, US
1736 78 79 MU-AS, US
1916 71 196 Rede Nacional de Ensino e Pesquisa, BR
21976 71 91 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:15 8:2 12:1 14:92 23:1
24:3 31:1 35:3 37:8 38:2 41:158
42:6 44:4 45:22 46:4 47:1 49:8
50:1 59:8 60:6 61:2 62:5 63:2
64:18 65:4 66:21 67:32 68:2 69:10
70:2 71:1 72:7 74:17 76:39 77:3
78:3 79:10 80:6 81:24 82:3 83:6
84:6 85:25 86:1 87:1 89:11 91:38
93:13 94:2 95:2 96:5 98:2 101:1
102:3 103:236 104:73 108:2 109:1 111:16
114:1 116:7 118:18 119:23 121:27 122:8
123:8 124:42 125:1 128:30 129:26 130:92
131:51 132:7 133:154 134:74 136:195 137:39
138:58 139:5 140:25 141:3 142:17 143:15
144:24 145:2 146:120 147:21 148:9 149:12
150:9 151:3 152:77 153:6 154:14 155:40
156:134 157:7 158:25 159:116 160:29 161:11
162:18 163:58 164:11 165:8 167:7 168:52
169:6 170:10 172:1 173:7 177:1 179:8
180:15 182:3 184:5 185:39 187:2 188:11
191:1 192:1087 193:232 194:82 195:61 196:8
197:105 198:329 199:188 200:215 201:1 202:355
203:183 204:287 205:96 206:154 207:200 208:47
209:83 210:99 211:1 212:40 213:4 216:50
217:9 219:5 220:1 222:1 223:4
End of report
More information about the ren-bgp-stats-all
mailing list