[REN-BGP-stats-all] IPv4 R&E Routing Table Report - URAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Nov 8 17:10:41 UTC 2024
IPv4 R&E Routing Table Report 17:10 GMT Fri 08 Nov, 2024
IPv4 BGP Table (R&E) as seen at URAN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/URAN/
Analysis Summary
----------------
BGP routing table entries examined: 18824
Prefixes after maximum aggregation (per Origin AS): 10437
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 11534
Number of IPv4 prefixes with a valid ROA: 7173
Number of IPv4 prefixes with an invalid ROA: 3
Number of IPv4 prefixes with no ROA: 11648
Total ASes present in the Internet Routing Table: 2715
Prefixes per ASN: 6.93
Origin-only ASes present in the Internet Routing Table: 2351
Origin ASes announcing only one prefix: 1047
Transit ASes present in the Internet Routing Table: 364
Transit-only ASes present in the Internet Routing Table: 60
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 30
Max AS path prepend of ASN (138136) 20
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: 45808
Number of 32-bit ASNs visible in the Routing Table: 668
Prefixes from 32-bit ASNs in the Routing Table: 1835
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: 201739984
Equivalent to 12 /8s, 6 /16s and 78 /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: 6831
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4736
Total APNIC prefixes after maximum aggregation: 2314
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 491
Unique aggregates announced from the APNIC address blocks: 396
APNIC Region origin ASes present in the Internet Routing Table: 585
APNIC Prefixes per ASN: 0.84
APNIC Region origin ASes announcing only one prefix: 244
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 231
Number of APNIC addresses announced to Internet: 7203136
Equivalent to 0 /8s, 109 /16s and 233 /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: 8166
Total ARIN prefixes after maximum aggregation: 4740
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 4362
Unique aggregates announced from the ARIN address blocks: 3065
ARIN Region origin ASes present in the Internet Routing Table: 1253
ARIN Prefixes per ASN: 3.48
ARIN Region origin ASes announcing only one prefix: 438
ARIN Region transit ASes present in the Internet Routing Table: 150
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 204
Number of ARIN addresses announced to Internet: 28001792
Equivalent to 1 /8s, 171 /16s and 70 /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: 3326
Total RIPE prefixes after maximum aggregation: 2670
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 856
Unique aggregates announced from the RIPE address blocks: 814
RIPE Region origin ASes present in the Internet Routing Table: 612
RIPE Prefixes per ASN: 1.40
RIPE Region origin ASes announcing only one prefix: 283
RIPE Region transit ASes present in the Internet Routing Table: 103
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: 145
Number of RIPE addresses announced to Internet: 10417408
Equivalent to 0 /8s, 158 /16s and 245 /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: 1527
Total LACNIC prefixes after maximum aggregation: 539
LACNIC Deaggregation factor: 2.83
Prefixes being announced from the LACNIC address blocks: 252
Unique aggregates announced from the LACNIC address blocks: 197
LACNIC Region origin ASes present in the Internet Routing Table: 153
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: 5.6
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61
Number of LACNIC addresses announced to Internet: 1052416
Equivalent to 0 /8s, 16 /16s and 15 /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: 1068
Total AfriNIC prefixes after maximum aggregation: 173
AfriNIC Deaggregation factor: 6.17
Prefixes being announced from the AfriNIC address blocks: 82
Unique aggregates announced from the AfriNIC address blocks: 49
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 1.61
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: 5.3
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 608512
Equivalent to 0 /8s, 9 /16s and 73 /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/URAN/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 151 507 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/URAN/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
2200 63 598 58 FR-RENATER Reseau National de telecommuni
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 293 178 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/URAN/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
37074 15 8 2 UG-AS, GH
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
Complete listing at https://bgp.nsrc.org/REN/URAN/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
36914 449 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
1916 293 178 44 Rede Nacional de Ensino e Pesquisa, BR
680 281 1899 248 DFN Verein zur Foerderung eines Deutschen
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/URAN/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
2018 381 310 TENET-1, ZA
1916 293 249 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/URAN/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/URAN/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/URAN/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 /17:425 /18:452
/19:568 /20:837 /21:873 /22:1391 /23:1467 /24:10428
/25:58 /26:72 /27:34 /28:13 /29:13 /30:10
/31:0 /32:3
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 124 132 NKN-CORE-NW NKN Core Network, IN
2018 123 381 TENET-1, ZA
2920 123 175 LACOE, US
1916 79 293 Rede Nacional de Ensino e Pesquisa, BR
1736 78 79 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/URAN/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 41:162 42:11 44:5 45:43 46:4
47:1 49:10 50:2 52:1 59:19 60:6
61:3 62:6 63:33 64:44 65:4 66:41
67:40 68:10 69:19 70:2 71:1 72:7
74:52 76:41 77:7 78:3 79:10 80:8
81:24 82:4 83:6 84:7 85:25 86:3
87:1 89:11 91:42 93:13 94:2 95:2
96:5 97:1 98:2 101:1 102:12 103:331
104:78 108:8 109:4 111:20 113:2 114:24
116:9 117:61 118:33 119:23 121:27 122:8
123:8 124:42 125:5 128:55 129:36 130:96
131:60 132:65 133:154 134:109 136:197 137:51
138:58 139:6 140:36 141:3 142:52 143:26
144:27 145:2 146:137 147:60 148:195 149:12
150:40 151:9 152:140 153:14 154:39 155:63
156:138 157:27 158:30 159:118 160:31 161:16
162:22 163:62 164:11 165:49 166:1 167:10
168:120 169:7 170:89 172:2 173:7 175:16
177:4 179:13 180:16 182:11 184:6 185:47
186:3 187:21 188:11 189:3 190:18 191:13
192:1409 193:261 194:111 195:71 196:148 197:321
198:456 199:276 200:334 201:37 202:640 203:439
204:378 205:135 206:211 207:225 208:65 209:106
210:217 211:3 212:164 213:4 214:8 216:89
217:9 218:21 219:5 220:17 222:2 223:15
End of report
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