[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jul 29 17:00:40 UTC 2024
IPv4 R&E Routing Table Report 17:00 GMT Mon 29 Jul, 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: 19190
Prefixes after maximum aggregation (per Origin AS): 10702
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 11814
Number of IPv4 prefixes with a valid ROA: 6063
Number of IPv4 prefixes with an invalid ROA: 8
Number of IPv4 prefixes with no ROA: 13119
Total ASes present in the Internet Routing Table: 2758
Prefixes per ASN: 6.96
Origin-only ASes present in the Internet Routing Table: 2400
Origin ASes announcing only one prefix: 1059
Transit ASes present in the Internet Routing Table: 358
Transit-only ASes present in the Internet Routing Table: 59
Paths with bogon ASNs present in the IPv4 Routing Table: 2
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 17
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 45047
Number of 32-bit ASNs visible in the Routing Table: 633
Prefixes from 32-bit ASNs in the Routing Table: 1762
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: 5
Number of addresses announced to Internet: 202546224
Equivalent to 12 /8s, 18 /16s and 156 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 2372
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4772
Total APNIC prefixes after maximum aggregation: 2298
APNIC Deaggregation factor: 2.08
Prefixes being announced from the APNIC address blocks: 4769
Unique aggregates announced from the APNIC address blocks: 2632
APNIC Region origin ASes present in the Internet Routing Table: 554
APNIC Prefixes per ASN: 8.61
APNIC Region origin ASes announcing only one prefix: 237
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: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 206
Number of APNIC addresses announced to Internet: 45697856
Equivalent to 2 /8s, 185 /16s and 75 /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 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 8248
Total ARIN prefixes after maximum aggregation: 4763
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 8261
Unique aggregates announced from the ARIN address blocks: 5250
ARIN Region origin ASes present in the Internet Routing Table: 1249
ARIN Prefixes per ASN: 6.61
ARIN Region origin ASes announcing only one prefix: 432
ARIN Region transit ASes present in the Internet Routing Table: 151
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: 198
Number of ARIN addresses announced to Internet: 92470880
Equivalent to 5 /8s, 130 /16s and 254 /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 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8,
66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8,
73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8,
99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3682
Total RIPE prefixes after maximum aggregation: 2947
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3673
Unique aggregates announced from the RIPE address blocks: 2997
RIPE Region origin ASes present in the Internet Routing Table: 702
RIPE Prefixes per ASN: 5.23
RIPE Region origin ASes announcing only one prefix: 317
RIPE Region transit ASes present in the Internet Routing Table: 106
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: 154
Number of RIPE addresses announced to Internet: 57737616
Equivalent to 3 /8s, 113 /16s and 1 /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 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1381
Total LACNIC prefixes after maximum aggregation: 536
LACNIC Deaggregation factor: 2.58
Prefixes being announced from the LACNIC address blocks: 1379
Unique aggregates announced from the LACNIC address blocks: 727
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 8.73
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 4.9
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: 4193280
Equivalent to 0 /8s, 63 /16s and 252 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1104
Total AfriNIC prefixes after maximum aggregation: 155
AfriNIC Deaggregation factor: 7.12
Prefixes being announced from the AfriNIC address blocks: 1103
Unique aggregates announced from the AfriNIC address blocks: 204
AfriNIC Region origin ASes present in the Internet Routing Table: 33
AfriNIC Prefixes per ASN: 33.42
AfriNIC Region origin ASes announcing only one prefix: 16
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12
Number of AfriNIC addresses announced to Internet: 2436096
Equivalent to 0 /8s, 37 /16s and 44 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 601 2162 465 SINET-AS Research Organization of Informa
7497 448 180 24 CSTNET-AS-AP Computer Network Information
1237 192 74 144 KREONET-AS-KR KISTI, KR
4538 191 4193 75 ERX-CERNET-BKB China Education and Resear
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 131 18 19 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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
376 202 162 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2920 176 34 7 LACOE, US
270 162 345 88 AS270, US
2152 151 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
32440 116 35 18 LONI, US
23024 96 7 21 OCDE, 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
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
786 182 1767 181 JANET Jisc Services Limited, GB
8895 136 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch.c
1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 90 26 70 ROEDUNET, RO
3267 88 27 70 NIKS, RU
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
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 158 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 47 16 1 Red de Interconexion Universitaria, AR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
61468 45 5 15 CEDIA, EC
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 524 82 3 KENET-AS, KE
2018 370 319 70 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
30983 12 4 2 MARWAN-AS, MA
37182 11 8 1 TERNET, TZ
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 601 2162 465 SINET-AS Research Organization of Informa
36914 524 82 3 KENET-AS, KE
7497 448 180 24 CSTNET-AS-AP Computer Network Information
2018 370 319 70 TENET-1, ZA
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
668 205 648 174 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
1237 192 74 144 KREONET-AS-KR KISTI, KR
4538 191 4193 75 ERX-CERNET-BKB China Education and Resear
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 524 521 KENET-AS, KE
7497 448 424 CSTNET-AS-AP Computer Network Information Cente
2018 370 300 TENET-1, ZA
5786 199 198 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 176 169 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
4538 191 116 ERX-CERNET-BKB China Education and Research Net
1916 158 115 Rede Nacional de Ensino e Pesquisa, BR
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 62.40.99.58/32 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
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
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 /12:10
/13:19 /14:35 /15:118 /16:2015 /17:424 /18:458
/19:574 /20:878 /21:899 /22:1421 /23:1546 /24:10594
/25:49 /26:45 /27:67 /28:8 /29:14 /30:8
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 502 524 KENET-AS, KE
8895 131 136 ISU Internet Services Unit ISU, SA
32440 82 116 LONI, US
3267 42 88 NIKS, RU
23024 38 96 OCDE, US
327700 36 41 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, 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 14:91
23:4 24:3 31:1 35:3 37:8 38:10
40:1 41:228 42:17 44:5 45:50 46:5
47:1 49:10 50:3 52:1 58:17 59:20
60:6 61:3 62:14 63:33 64:44 65:1
66:37 67:41 68:10 69:19 70:2 71:1
72:7 74:51 76:41 77:10 78:3 79:10
80:16 81:25 82:6 83:7 84:11 85:46
86:10 87:1 89:11 91:49 92:2 93:13
94:2 95:2 96:5 97:1 98:2 101:4
102:6 103:278 104:77 108:8 109:8 111:16
113:2 114:24 116:8 117:61 118:35 119:23
121:28 122:8 123:8 124:43 125:5 128:84
129:36 130:93 131:62 132:67 133:155 134:108
136:198 137:52 138:58 139:5 140:37 141:3
142:25 143:25 144:25 145:2 146:135 147:63
148:193 149:11 150:40 151:9 152:135 153:15
154:37 155:63 156:139 157:21 158:35 159:121
160:30 161:16 162:22 163:60 164:14 165:47
166:1 167:10 168:113 169:6 170:89 172:3
173:6 175:29 176:8 177:6 179:13 180:16
181:1 182:9 184:6 185:55 186:3 187:18
188:13 189:3 190:18 191:13 192:1478 193:274
194:146 195:94 196:144 197:314 198:469 199:276
200:272 201:37 202:644 203:438 204:368 205:134
206:195 207:204 208:68 209:105 210:215 211:15
212:162 213:7 214:8 216:91 217:9 218:22
219:5 220:17 222:3 223:14
End of report
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