[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Sep 6 17:00:41 UTC 2024
IPv4 R&E Routing Table Report 17:00 GMT Fri 06 Sep, 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: 19753
Prefixes after maximum aggregation (per Origin AS): 10816
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 11907
Number of IPv4 prefixes with a valid ROA: 6253
Number of IPv4 prefixes with an invalid ROA: 11
Number of IPv4 prefixes with no ROA: 13489
Total ASes present in the Internet Routing Table: 2796
Prefixes per ASN: 7.06
Origin-only ASes present in the Internet Routing Table: 2434
Origin ASes announcing only one prefix: 1077
Transit ASes present in the Internet Routing Table: 362
Transit-only ASes present in the Internet Routing Table: 60
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: 17
Max AS path prepend of ASN (395156) 12
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: 45317
Number of 32-bit ASNs visible in the Routing Table: 680
Prefixes from 32-bit ASNs in the Routing Table: 1910
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: 6
Number of addresses announced to Internet: 204710704
Equivalent to 12 /8s, 51 /16s and 163 /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: 2409
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4774
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: 2635
APNIC Region origin ASes present in the Internet Routing Table: 578
APNIC Prefixes per ASN: 8.25
APNIC Region origin ASes announcing only one prefix: 245
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 230
Number of APNIC addresses announced to Internet: 45843776
Equivalent to 2 /8s, 187 /16s and 133 /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: 8764
Total ARIN prefixes after maximum aggregation: 4897
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 8779
Unique aggregates announced from the ARIN address blocks: 5372
ARIN Region origin ASes present in the Internet Routing Table: 1262
ARIN Prefixes per ASN: 6.96
ARIN Region origin ASes announcing only one prefix: 440
ARIN Region transit ASes present in the Internet Routing Table: 151
Average ARIN Region AS path length visible: 4.5
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: 92375904
Equivalent to 5 /8s, 129 /16s and 139 /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: 3650
Total RIPE prefixes after maximum aggregation: 2909
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3642
Unique aggregates announced from the RIPE address blocks: 2959
RIPE Region origin ASes present in the Internet Routing Table: 688
RIPE Prefixes per ASN: 5.29
RIPE Region origin ASes announcing only one prefix: 307
RIPE Region transit ASes present in the Internet Routing Table: 105
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: 153
Number of RIPE addresses announced to Internet: 59775632
Equivalent to 3 /8s, 144 /16s and 26 /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: 1417
Total LACNIC prefixes after maximum aggregation: 535
LACNIC Deaggregation factor: 2.65
Prefixes being announced from the LACNIC address blocks: 1414
Unique aggregates announced from the LACNIC address blocks: 713
LACNIC Region origin ASes present in the Internet Routing Table: 155
LACNIC Prefixes per ASN: 9.12
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 4.8
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: 4209152
Equivalent to 0 /8s, 64 /16s and 58 /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: 1144
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 6.57
Prefixes being announced from the AfriNIC address blocks: 1143
Unique aggregates announced from the AfriNIC address blocks: 223
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 22.86
AfriNIC Region origin ASes announcing only one prefix: 30
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 2495488
Equivalent to 0 /8s, 38 /16s and 20 /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 598 2169 465 SINET-AS Research Organization of Informa
7497 450 212 25 CSTNET-AS-AP Computer Network Information
1237 193 74 145 KREONET-AS-KR KISTI, KR
4538 192 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 133 19 20 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
2152 504 507 99 CENIC-2152, US
2920 229 44 49 LACOE, US
668 205 648 174 DNIC-AS-00668, US
5786 199 16 1 UPRENET, PR
376 198 162 148 RISQ-AS, CA
270 162 345 88 AS270, US
18558 141 18 5 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
23024 96 7 21 OCDE, US
21976 87 50 17 NJEDGE-NET, 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 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 135 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch.c
1103 97 2015 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 90 26 70 ROEDUNET, RO
3267 88 27 70 NIKS, RU
137 81 676 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 205 180 42 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
61468 50 5 17 CEDIA, EC
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
4270 45 16 1 Red de Interconexion Universitaria, AR
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 520 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
37661 13 8 5 NRaE1-AS, NG
30983 12 4 2 MARWAN-AS, MA
37215 11 8 1 MAREN, MW
37501 11 49 6 UOFS, 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 598 2169 465 SINET-AS Research Organization of Informa
36914 520 82 3 KENET-AS, KE
2152 504 507 99 CENIC-2152, US
7497 450 212 25 CSTNET-AS-AP Computer Network Information
2018 380 319 71 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutschen
2920 229 44 49 LACOE, US
668 205 648 174 DNIC-AS-00668, US
1916 205 180 42 Rede Nacional de Ensino e Pesquisa, BR
5786 199 16 1 UPRENET, PR
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 520 517 KENET-AS, KE
7497 450 425 CSTNET-AS-AP Computer Network Information Cente
2152 504 405 CENIC-2152, US
2018 380 309 TENET-1, ZA
5786 199 198 UPRENET, PR
2920 229 180 LACOE, US
58647 180 178 KAGAWAU-AS Kagawa University, JP
1916 205 163 Rede Nacional de Ensino e Pesquisa, BR
18558 141 136 NETBLK-RCOEK, US
8895 135 130 ISU Internet Services Unit ISU, SA
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 62.40.99.60/32 20965 GEANT The GEANT IP Serv
64500 DOCUMENT 62.40.99.61/32 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
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
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 /11:2 /12:10
/13:19 /14:35 /15:119 /16:2016 /17:426 /18:464
/19:588 /20:875 /21:909 /22:1484 /23:1620 /24:11014
/25:46 /26:52 /27:34 /28:8 /29:14 /30:10
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 498 520 KENET-AS, KE
8895 130 135 ISU Internet Services Unit ISU, SA
2152 61 504 CENIC-2152, US
3267 42 88 NIKS, RU
1916 41 205 Rede Nacional de Ensino e Pesquisa, BR
327700 39 45 MoRENet, MZ
23024 38 96 OCDE, US
32440 37 64 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, 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
23:5 24:3 31:1 35:3 37:8 38:10
40:1 41:224 42:17 44:5 45:50 46:4
47:1 49:11 50:3 52:1 58:17 59:20
60:6 61:3 62:14 63:33 64:44 65:1
66:52 67:41 68:12 69:18 70:2 71:1
72:7 74:53 76:42 77:11 78:3 79:10
80:16 81:25 82:6 83:7 84:11 85:46
86:10 87:1 89:11 91:44 92:2 93:13
94:2 95:2 96:5 97:1 98:2 101:4
102:11 103:319 104:79 108:8 109:4 111:16
113:2 114:24 116:9 117:61 118:35 119:24
121:28 122:8 123:8 124:42 125:5 128:84
129:35 130:95 131:63 132:67 133:154 134:109
136:199 137:90 138:57 139:6 140:36 141:3
142:25 143:24 144:28 145:2 146:135 147:63
148:193 149:13 150:40 151:9 152:135 153:15
154:37 155:63 156:138 157:16 158:35 159:121
160:30 161:16 162:22 163:61 164:14 165:47
166:1 167:26 168:119 169:7 170:82 172:2
173:7 175:17 177:4 179:13 180:16 181:1
182:9 184:7 185:55 186:3 187:21 188:13
189:3 190:18 191:13 192:1477 193:275 194:142
195:94 196:146 197:315 198:560 199:278 200:289
201:38 202:646 203:436 204:401 205:171 206:209
207:304 208:66 209:152 210:213 211:4 212:162
213:7 214:8 216:90 217:9 218:21 219:5
220:17 222:3 223:15
End of report
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