[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Nov 6 17:00:43 UTC 2024
IPv4 R&E Routing Table Report 17:00 GMT Wed 06 Nov, 2024
IPv4 BGP Table (R&E) as seen at GEANT.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/GEANT/
Analysis Summary
----------------
BGP routing table entries examined: 19127
Prefixes after maximum aggregation (per Origin AS): 10705
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 11816
Number of IPv4 prefixes with a valid ROA: 7326
Number of IPv4 prefixes with an invalid ROA: 10
Number of IPv4 prefixes with no ROA: 11791
Total ASes present in the Internet Routing Table: 2798
Prefixes per ASN: 6.84
Origin-only ASes present in the Internet Routing Table: 2430
Origin ASes announcing only one prefix: 1076
Transit ASes present in the Internet Routing Table: 368
Transit-only ASes present in the Internet Routing Table: 59
Paths with bogon ASNs present in the IPv4 Routing Table: 3
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 29
Max AS path prepend of ASN (138136) 20
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: 45777
Number of 32-bit ASNs visible in the Routing Table: 682
Prefixes from 32-bit ASNs in the Routing Table: 1862
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: 202072752
Equivalent to 12 /8s, 11 /16s and 98 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 4.2
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: 6821
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4734
Total APNIC prefixes after maximum aggregation: 2315
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 520
Unique aggregates announced from the APNIC address blocks: 420
APNIC Region origin ASes present in the Internet Routing Table: 583
APNIC Prefixes per ASN: 0.89
APNIC Region origin ASes announcing only one prefix: 243
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 231
Number of APNIC addresses announced to Internet: 8387648
Equivalent to 0 /8s, 127 /16s and 252 /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: 8171
Total ARIN prefixes after maximum aggregation: 4750
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 4861
Unique aggregates announced from the ARIN address blocks: 3306
ARIN Region origin ASes present in the Internet Routing Table: 1256
ARIN Prefixes per ASN: 3.87
ARIN Region origin ASes announcing only one prefix: 439
ARIN Region transit ASes present in the Internet Routing Table: 150
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 204
Number of ARIN addresses announced to Internet: 34565696
Equivalent to 2 /8s, 15 /16s and 110 /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: 3671
Total RIPE prefixes after maximum aggregation: 2928
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 942
Unique aggregates announced from the RIPE address blocks: 872
RIPE Region origin ASes present in the Internet Routing Table: 694
RIPE Prefixes per ASN: 1.36
RIPE Region origin ASes announcing only one prefix: 312
RIPE Region transit ASes present in the Internet Routing Table: 108
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 158
Number of RIPE addresses announced to Internet: 13240320
Equivalent to 0 /8s, 202 /16s and 8 /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: 1500
Total LACNIC prefixes after maximum aggregation: 536
LACNIC Deaggregation factor: 2.80
Prefixes being announced from the LACNIC address blocks: 258
Unique aggregates announced from the LACNIC address blocks: 201
LACNIC Region origin ASes present in the Internet Routing Table: 153
LACNIC Prefixes per ASN: 1.69
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 1057280
Equivalent to 0 /8s, 16 /16s and 34 /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: 1047
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.09
Prefixes being announced from the AfriNIC address blocks: 90
Unique aggregates announced from the AfriNIC address blocks: 53
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 1.80
AfriNIC Region origin ASes announcing only one prefix: 30
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 805376
Equivalent to 0 /8s, 12 /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 600 2170 465 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 194 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
55824 132 18 19 NKN-CORE-NW NKN Core Network, IN
4538 130 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
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
2152 150 507 97 CENIC-2152, US
18558 140 18 4 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/GEANT/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
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
3267 89 27 71 NIKS, RU
137 82 677 77 ASGARR Consortium GARR, IT
553 78 462 78 BELWUE BelWue-Koordination, DE
1930 78 88 73 RCCN Fundacao para a Ciencia e a Tecnolog
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 281 178 44 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
61468 51 5 17 CEDIA, EC
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
4270 48 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 443 82 3 KENET-AS, KE
2018 380 319 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
30983 12 4 2 MARWAN-AS, MA
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 600 2170 465 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
36914 443 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
1916 281 178 44 Rede Nacional de Ensino e Pesquisa, BR
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
1237 194 74 145 KREONET-AS-KR KISTI, KR
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 443 440 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
1916 281 237 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 133 128 ISU Internet Services Unit ISU, SA
55824 132 113 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65111 PRIVATE 62.40.99.40/29 20965 GEANT The GEANT IP Serv
64500 DOCUMENT 62.40.99.56/32 20965 GEANT The GEANT IP Serv
65111 PRIVATE 62.40.117.18/31 20965 GEANT The GEANT IP Serv
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/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/GEANT/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 /14:35 /15:118 /16:1995 /17:424 /18:452
/19:577 /20:861 /21:901 /22:1434 /23:1532 /24:10561
/25:55 /26:69 /27:37 /28:13 /29:14 /30:10
/31:1 /32:6
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
2920 135 175 LACOE, US
36914 124 443 KENET-AS, KE
55824 124 132 NKN-CORE-NW NKN Core Network, IN
2018 119 380 TENET-1, ZA
23024 92 95 OCDE, US
1736 78 79 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:92
23:6 24:3 31:1 35:3 37:8 38:10
40:1 41:158 42:11 44:5 45:50 46:4
47:1 49:10 50:2 52:1 59:19 60:6
61:3 62:15 63:32 64:44 65:4 66:42
67:40 68:10 69:19 70:2 71:1 72:7
74:53 76:41 77:10 78:3 79:10 80:15
81:25 82:7 83:7 84:11 85:46 86:10
87:1 89:11 91:42 92:2 93:13 94:2
95:2 96:5 97:1 98:2 101:1 102:11
103:330 104:78 108:8 109:4 111:20 113:2
114:24 116:9 117:61 118:33 119:23 121:27
122:8 123:8 124:42 125:5 128:55 129:36
130:95 131:60 132:52 133:154 134:109 136:197
137:51 138:58 139:6 140:35 141:3 142:52
143:26 144:27 145:2 146:137 147:63 148:195
149:12 150:40 151:9 152:140 153:14 154:39
155:63 156:138 157:27 158:30 159:118 160:31
161:17 162:22 163:62 164:11 165:49 166:1
167:10 168:120 169:7 170:89 172:2 173:7
175:16 177:6 179:13 180:16 182:11 184:6
185:54 186:3 187:21 188:13 189:3 190:18
191:13 192:1411 193:282 194:142 195:94 196:147
197:315 198:462 199:277 200:326 201:37 202:639
203:439 204:379 205:134 206:211 207:225 208:65
209:107 210:217 211:3 212:165 213:7 214:8
216:89 217:9 218:21 219:5 220:17 222:2
223:15
End of report
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