[REN-BGP-stats-all] IPv4 R&E Routing Table Report - REANNZ (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Nov 8 21:15:39 UTC 2024
IPv4 R&E Routing Table Report 21:15 GMT Fri 08 Nov, 2024
IPv4 BGP Table (R&E) as seen at REANNZ.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/REANNZ/
Analysis Summary
----------------
BGP routing table entries examined: 19568
Prefixes after maximum aggregation (per Origin AS): 10837
Deaggregation factor: 1.81
Unique aggregates announced (without unneeded subnets): 11992
Number of IPv4 prefixes with a valid ROA: 7312
Number of IPv4 prefixes with an invalid ROA: 5
Number of IPv4 prefixes with no ROA: 12251
Total ASes present in the Internet Routing Table: 2805
Prefixes per ASN: 6.98
Origin-only ASes present in the Internet Routing Table: 2429
Origin ASes announcing only one prefix: 1082
Transit ASes present in the Internet Routing Table: 376
Transit-only ASes present in the Internet Routing Table: 62
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.3
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: 45808
Number of 32-bit ASNs visible in the Routing Table: 694
Prefixes from 32-bit ASNs in the Routing Table: 1894
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: 204219392
Equivalent to 12 /8s, 44 /16s and 36 /24s
Percentage of available address space announced: 5.5
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: 6927
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4671
Total APNIC prefixes after maximum aggregation: 2293
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 471
Unique aggregates announced from the APNIC address blocks: 391
APNIC Region origin ASes present in the Internet Routing Table: 581
APNIC Prefixes per ASN: 0.81
APNIC Region origin ASes announcing only one prefix: 244
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 232
Number of APNIC addresses announced to Internet: 7202048
Equivalent to 0 /8s, 109 /16s and 229 /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: 8849
Total ARIN prefixes after maximum aggregation: 4988
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 4870
Unique aggregates announced from the ARIN address blocks: 3246
ARIN Region origin ASes present in the Internet Routing Table: 1286
ARIN Prefixes per ASN: 3.79
ARIN Region origin ASes announcing only one prefix: 452
ARIN Region transit ASes present in the Internet Routing Table: 156
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 213
Number of ARIN addresses announced to Internet: 29218816
Equivalent to 1 /8s, 189 /16s and 216 /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: 3538
Total RIPE prefixes after maximum aggregation: 2843
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 859
Unique aggregates announced from the RIPE address blocks: 817
RIPE Region origin ASes present in the Internet Routing Table: 668
RIPE Prefixes per ASN: 1.29
RIPE Region origin ASes announcing only one prefix: 301
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 158
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: 1448
Total LACNIC prefixes after maximum aggregation: 539
LACNIC Deaggregation factor: 2.69
Prefixes being announced from the LACNIC address blocks: 251
Unique aggregates announced from the LACNIC address blocks: 198
LACNIC Region origin ASes present in the Internet Routing Table: 155
LACNIC Prefixes per ASN: 1.62
LACNIC Region origin ASes announcing only one prefix: 54
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: 63
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: 1060
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.16
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: 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: 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
55824 132 18 19 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
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/REANNZ/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
668 205 648 174 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
270 117 328 81 AS270, US
23024 95 7 21 OCDE, US
21976 91 50 17 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/REANNZ/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/REANNZ/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/REANNZ/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 452 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
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/REANNZ/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 452 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
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 452 449 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
18558 141 136 NETBLK-RCOEK, US
8895 133 128 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65500 PRIVATE 103.212.123.0/24 135288 AUCKLANDMUSEUM-AS-AP Au
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/REANNZ/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/REANNZ/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 /16:2022 /17:429 /18:458
/19:586 /20:876 /21:892 /22:1501 /23:1625 /24:10994
/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 128 452 KENET-AS, KE
55824 124 132 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/REANNZ/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 4:2 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 45:46
46:4 47:1 49:10 50:4 52:1 59:19
60:6 61:3 62:9 63:38 64:45 65:4
66:56 67:42 68:12 69:19 70:2 71:1
72:7 74:54 76:42 77:10 78:3 79:10
80:12 81:25 82:7 83:7 84:7 85:45
86:5 87:1 89:11 91:42 92:2 93:13
94:2 95:2 96:5 97:1 98:2 101:1
102:12 103:330 104:78 107:2 108:8 109:4
111:20 113:2 114:24 116:9 117:61 118:33
119:23 121:27 122:8 123:8 124:42 125:5
128:55 129:36 130:96 131:61 132:65 133:154
134:109 136:197 137:96 138:58 139:6 140:36
141:3 142:52 143:26 144:28 145:2 146:137
147:63 148:196 149:12 150:40 151:9 152:140
153:14 154:39 155:63 156:133 157:27 158:30
159:118 160:31 161:16 162:24 163:62 164:11
165:49 166:1 167:26 168:120 169:7 170:97
171:1 172:2 173:7 175:16 177:5 179:13
180:16 181:1 182:11 184:6 185:54 186:3
187:21 188:13 189:3 190:18 191:13 192:1492
193:262 194:122 195:66 196:147 197:324 198:561
199:276 200:334 201:37 202:635 203:439 204:407
205:175 206:215 207:307 208:67 209:159 210:217
211:3 212:164 213:6 214:8 216:90 217:9
218:21 219:5 220:17 222:2 223:15
End of report
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