[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Feb 20 17:00:40 UTC 2024
IPv4 R&E Routing Table Report 17:00 GMT Tue 20 Feb, 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: 19021
Prefixes after maximum aggregation (per Origin AS): 10574
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 11705
Number of IPv4 prefixes with a valid ROA: 6110
Number of IPv4 prefixes with an invalid ROA: 13
Number of IPv4 prefixes with no ROA: 12898
Total ASes present in the Internet Routing Table: 2734
Prefixes per ASN: 6.96
Origin-only ASes present in the Internet Routing Table: 2371
Origin ASes announcing only one prefix: 1060
Transit ASes present in the Internet Routing Table: 363
Transit-only ASes present in the Internet Routing Table: 59
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 15
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 43666
Number of 32-bit ASNs visible in the Routing Table: 640
Prefixes from 32-bit ASNs in the Routing Table: 1995
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: 202496944
Equivalent to 12 /8s, 17 /16s and 219 /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: 2358
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4675
Total APNIC prefixes after maximum aggregation: 2259
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4675
Unique aggregates announced from the APNIC address blocks: 2584
APNIC Region origin ASes present in the Internet Routing Table: 534
APNIC Prefixes per ASN: 8.75
APNIC Region origin ASes announcing only one prefix: 230
APNIC Region transit ASes present in the Internet Routing Table: 55
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 203
Number of APNIC addresses announced to Internet: 45545024
Equivalent to 2 /8s, 182 /16s and 246 /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: 8007
Total ARIN prefixes after maximum aggregation: 4674
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 8036
Unique aggregates announced from the ARIN address blocks: 5210
ARIN Region origin ASes present in the Internet Routing Table: 1230
ARIN Prefixes per ASN: 6.53
ARIN Region origin ASes announcing only one prefix: 427
ARIN Region transit ASes present in the Internet Routing Table: 155
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 194
Number of ARIN addresses announced to Internet: 92500288
Equivalent to 5 /8s, 131 /16s and 113 /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, 393216-401308
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: 3681
Total RIPE prefixes after maximum aggregation: 2880
RIPE Deaggregation factor: 1.28
Prefixes being announced from the RIPE address blocks: 3668
Unique aggregates announced from the RIPE address blocks: 2921
RIPE Region origin ASes present in the Internet Routing Table: 693
RIPE Prefixes per ASN: 5.29
RIPE Region origin ASes announcing only one prefix: 313
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 2.9
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: 57629328
Equivalent to 3 /8s, 111 /16s and 90 /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: 1371
Total LACNIC prefixes after maximum aggregation: 573
LACNIC Deaggregation factor: 2.39
Prefixes being announced from the LACNIC address blocks: 1369
Unique aggregates announced from the LACNIC address blocks: 763
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.30
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 26
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: 70
Number of LACNIC addresses announced to Internet: 4207264
Equivalent to 0 /8s, 64 /16s and 50 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 1272
Total AfriNIC prefixes after maximum aggregation: 176
AfriNIC Deaggregation factor: 7.23
Prefixes being announced from the AfriNIC address blocks: 1272
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 25.44
AfriNIC Region origin ASes announcing only one prefix: 28
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: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2614784
Equivalent to 0 /8s, 39 /16s and 230 /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 596 2162 465 SINET-AS Research Organization of Infor
7497 440 180 23 CSTNET-AS-AP Computer Network Informati
1237 197 74 142 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
4538 181 4193 75 ERX-CERNET-BKB China Education and Rese
7575 174 329 117 AARNET-AS-AP Australian Academic and Re
55824 129 19 18 NKN-CORE-NW NKN Core Network, IN
4762 71 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
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
668 203 648 172 DNIC-AS-00668, US
376 201 162 151 RISQ-AS, CA
5786 192 16 1 UPRENET, PR
2152 144 507 93 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 126 521 30 NCREN, US
270 117 328 81 AS270, US
32440 112 35 18 LONI, US
23024 109 7 22 OCDE, US
2920 102 34 7 LACOE, 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 248 DFN Verein zur Foerderung eines Deutsch
786 183 1751 180 JANET Jisc Services Limited, GB
8895 161 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
3267 94 45 57 RUNNET, RU
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
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 174 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
11340 107 24 51 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
3596 36 4 3 Universidad Autonoma Metropolitana, MX
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
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 489 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
327687 161 28 3 RENU, UG
327700 48 16 1 MoRENet, MZ
8094 47 48 18 PUKNET, ZA
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
37215 9 8 1 MAREN, MW
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 596 2162 465 SINET-AS Research Organization of Infor
36914 489 82 3 KENET-AS, KE
7497 440 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 282 1899 248 DFN Verein zur Foerderung eines Deutsch
668 203 648 172 DNIC-AS-00668, US
376 201 162 151 RISQ-AS, CA
1237 197 74 142 KREONET-AS-KR KISTI, KR
5786 192 16 1 UPRENET, PR
786 183 1751 180 JANET Jisc Services Limited, GB
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 489 486 KENET-AS, KE
7497 440 417 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
5786 192 191 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
327687 161 158 RENU, UG
8895 161 156 ISU Internet Services Unit ISU, SA
18558 141 137 NETBLK-RCOEK, US
1916 174 131 Rede Nacional de Ensino e Pesquisa, BR
55824 129 111 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
26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.222.0/24 32440 LONI, US
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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 /15:121 /16:2008 /17:425 /18:447
/19:569 /20:855 /21:883 /22:1493 /23:1534 /24:10399
/25:84 /26:51 /27:73 /28:1 /29:0 /30:0
/31:1 /32:10
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 474 489 KENET-AS, KE
8895 156 161 ISU Internet Services Unit ISU, SA
32440 80 112 LONI, US
23024 52 109 OCDE, US
3267 45 94 RUNNET, RU
327700 42 48 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
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 14:90
23:5 24:3 31:1 35:6 38:8 40:1
41:180 42:16 44:7 45:42 46:5 47:1
49:9 50:1 52:1 58:11 59:20 60:6
61:3 62:14 63:32 64:44 65:1 66:45
67:41 68:9 69:17 70:2 71:1 72:7
74:51 76:41 77:11 78:3 79:10 80:15
81:25 82:5 83:7 84:11 85:34 86:9
87:1 89:10 91:51 92:2 93:17 94:2
95:2 96:5 97:1 98:2 101:5 102:40
103:263 104:76 108:8 109:7 111:16 114:24
116:8 117:61 118:33 119:19 121:28 122:8
123:8 124:42 125:5 128:82 129:37 130:83
131:65 132:59 133:157 134:110 136:191 137:136
138:57 139:5 140:38 141:3 142:38 143:23
144:25 145:2 146:134 147:57 148:194 149:12
150:43 151:12 152:132 153:14 154:29 155:63
156:67 157:17 158:32 159:115 160:30 161:15
162:20 163:81 164:14 165:47 166:1 167:13
168:108 169:7 170:90 172:3 173:7 175:25
176:8 177:6 179:12 180:15 181:1 182:1
184:3 185:53 186:3 187:1 188:14 189:3
190:17 191:13 192:1476 193:275 194:147 195:91
196:200 197:339 198:471 199:273 200:273 201:21
202:617 203:423 204:356 205:129 206:180 207:144
208:72 209:113 210:195 211:15 212:162 213:5
214:8 216:81 217:10 218:22 219:5 220:17
222:3 223:14
End of report
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