[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Nov 8 19:05:44 UTC 2024
IPv4 R&E Routing Table Report 19:05 GMT Fri 08 Nov, 2024
IPv4 BGP Table (R&E) as seen at BDREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/BDREN/
Analysis Summary
----------------
BGP routing table entries examined: 19562
Prefixes after maximum aggregation (per Origin AS): 10715
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 11801
Number of IPv4 prefixes with a valid ROA: 7532
Number of IPv4 prefixes with an invalid ROA: 12
Number of IPv4 prefixes with no ROA: 12018
Total ASes present in the Internet Routing Table: 2793
Prefixes per ASN: 7.00
Origin-only ASes present in the Internet Routing Table: 2418
Origin ASes announcing only one prefix: 1074
Transit ASes present in the Internet Routing Table: 375
Transit-only ASes present in the Internet Routing Table: 62
Paths with bogon ASNs present in the IPv4 Routing Table: 3
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 12
Max AS path prepend of ASN (136911) 11
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 45808
Number of 32-bit ASNs visible in the Routing Table: 697
Prefixes from 32-bit ASNs in the Routing Table: 1900
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: 201272064
Equivalent to 11 /8s, 255 /16s and 43 /24s
Percentage of available address space announced: 5.4
Percentage of allocated address space announced: 4.3
Percentage of available address space allocated: 127.5
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 6910
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4880
Total APNIC prefixes after maximum aggregation: 2312
APNIC Deaggregation factor: 2.11
Prefixes being announced from the APNIC address blocks: 667
Unique aggregates announced from the APNIC address blocks: 400
APNIC Region origin ASes present in the Internet Routing Table: 591
APNIC Prefixes per ASN: 1.13
APNIC Region origin ASes announcing only one prefix: 248
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 241
Number of APNIC addresses announced to Internet: 7269632
Equivalent to 0 /8s, 110 /16s and 237 /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: 8636
Total ARIN prefixes after maximum aggregation: 4831
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 4703
Unique aggregates announced from the ARIN address blocks: 3097
ARIN Region origin ASes present in the Internet Routing Table: 1268
ARIN Prefixes per ASN: 3.71
ARIN Region origin ASes announcing only one prefix: 444
ARIN Region transit ASes present in the Internet Routing Table: 154
Average ARIN Region AS path length visible: 5.5
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 211
Number of ARIN addresses announced to Internet: 27498496
Equivalent to 1 /8s, 163 /16s and 152 /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: 3570
Total RIPE prefixes after maximum aggregation: 2872
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 860
Unique aggregates announced from the RIPE address blocks: 817
RIPE Region origin ASes present in the Internet Routing Table: 670
RIPE Prefixes per ASN: 1.28
RIPE Region origin ASes announcing only one prefix: 299
RIPE Region transit ASes present in the Internet Routing Table: 108
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 157
Number of RIPE addresses announced to Internet: 10408704
Equivalent to 0 /8s, 158 /16s and 211 /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: 1432
Total LACNIC prefixes after maximum aggregation: 524
LACNIC Deaggregation factor: 2.73
Prefixes being announced from the LACNIC address blocks: 248
Unique aggregates announced from the LACNIC address blocks: 195
LACNIC Region origin ASes present in the Internet Routing Table: 150
LACNIC Prefixes per ASN: 1.65
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: 6.0
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61
Number of LACNIC addresses announced to Internet: 1051648
Equivalent to 0 /8s, 16 /16s and 12 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 128/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1040
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.05
Prefixes being announced from the AfriNIC address blocks: 83
Unique aggregates announced from the AfriNIC address blocks: 50
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 1.66
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 7.2
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 608768
Equivalent to 0 /8s, 9 /16s and 74 /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 2170 464 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
4758 171 16 1 NICNET-VSNL-BOARDER-AP National Informati
55824 152 20 35 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 511 507 99 CENIC-2152, US
2920 229 44 49 LACOE, US
668 204 632 173 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
23024 95 7 21 OCDE, US
21976 91 50 17 NJEDGE-NET, US
237 85 541 50 MERIT-AS-14, US
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 281 1899 248 DFN Verein zur Foerderung eines Deutschen
786 186 1767 183 JANET Jisc Services Limited, GB
8895 133 24 5 ISU Internet Services Unit ISU, SA
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 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 77 26 67 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 217 178 42 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
61468 50 5 17 CEDIA, EC
4270 48 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 449 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
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
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 6 0 5 RwEdNet-AS, RW
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 590 2170 464 SINET-AS Research Organization of Informa
2152 511 507 99 CENIC-2152, US
36914 449 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
680 281 1899 248 DFN Verein zur Foerderung eines Deutschen
2920 229 44 49 LACOE, US
1916 217 178 42 Rede Nacional de Ensino e Pesquisa, BR
668 204 632 173 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 449 446 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2152 511 412 CENIC-2152, US
2018 381 310 TENET-1, ZA
5786 197 196 UPRENET, PR
2920 229 180 LACOE, US
58647 180 178 KAGAWAU-AS Kagawa University, JP
1916 217 175 Rede Nacional de Ensino e Pesquisa, BR
4758 171 170 NICNET-VSNL-BOARDER-AP National Informatics Cen
18558 141 136 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65200 PRIVATE 43.224.124.0/22 132124 ICTA-LK Information and
65200 PRIVATE 103.11.32.0/22 132124 ICTA-LK Information and
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
65200 PRIVATE 220.247.225.0/24 132124 ICTA-LK Information and
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-badAS
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/BDREN/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 /11:1 /12:11
/13:18 /14:33 /15:118 /16:1989 /17:427 /18:454
/19:585 /20:881 /21:883 /22:1491 /23:1619 /24:11050
/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 263 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
5786 196 197 UPRENET, PR
28391 154 154 Universidad Juarez Autonoma de Tabasco, MX
58647 149 180 KAGAWAU-AS Kagawa University, JP
36914 128 449 KENET-AS, KE
55824 124 152 NKN-CORE-NW NKN Core Network, IN
2018 123 381 TENET-1, ZA
2920 123 229 LACOE, US
2152 110 511 CENIC-2152, US
1736 78 79 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:15 6:4 8:2 12:1 14:92
23:8 24:3 31:1 35:3 37:8 38:10
40:1 41:162 42:11 44:5 45:47 46:4
47:1 49:10 50:4 52:1 59:19 60:6
61:3 62:8 63:38 64:45 65:4 66:55
67:42 68:12 69:19 70:2 71:1 72:7
74:53 76:42 77:10 78:3 79:10 80:12
81:25 82:7 83:7 84:5 85:45 86:5
87:1 89:11 91:42 92:2 93:13 94:2
95:1 96:5 97:1 98:2 101:1 102:12
103:351 104:78 107:2 108:8 109:4 111:20
113:2 114:24 116:9 117:61 118:33 119:23
121:27 122:8 123:8 124:42 125:5 128:55
129:36 130:97 131:60 132:65 133:154 134:109
136:197 137:96 138:58 139:6 140:36 141:3
142:52 143:26 144:28 145:2 146:137 147:62
148:196 149:12 150:40 151:9 152:140 153:14
154:39 155:63 156:133 157:27 158:30 159:118
160:32 161:16 162:24 163:64 164:165 165:49
166:1 167:26 168:120 169:7 170:97 171:1
172:2 173:7 175:16 177:4 179:13 180:15
181:1 182:12 184:1 185:54 186:3 187:21
188:13 189:3 190:18 191:13 192:1395 193:274
194:136 195:75 196:147 197:319 198:537 199:273
200:330 201:37 202:630 203:437 204:406 205:175
206:214 207:310 208:67 209:155 210:217 211:3
212:164 213:6 214:8 216:90 217:9 218:21
219:5 220:18 222:2 223:15
End of report
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