[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Dec 13 17:00:37 UTC 2023
IPv4 R&E Routing Table Report 17:00 GMT Wed 13 Dec, 2023
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: 19138
Prefixes after maximum aggregation (per Origin AS): 10604
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 11647
Number of IPv4 prefixes with a valid ROA: 6002
Number of IPv4 prefixes with an invalid ROA: 13
Number of IPv4 prefixes with no ROA: 13123
Total ASes present in the Internet Routing Table: 2762
Prefixes per ASN: 6.93
Origin-only ASes present in the Internet Routing Table: 2395
Origin ASes announcing only one prefix: 1071
Transit ASes present in the Internet Routing Table: 367
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: 3.7
Max AS path length visible: 15
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 43228
Number of 32-bit ASNs visible in the Routing Table: 651
Prefixes from 32-bit ASNs in the Routing Table: 1973
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: 205193376
Equivalent to 12 /8s, 59 /16s and 0 /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: 2418
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4684
Total APNIC prefixes after maximum aggregation: 2278
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4684
Unique aggregates announced from the APNIC address blocks: 2583
APNIC Region origin ASes present in the Internet Routing Table: 540
APNIC Prefixes per ASN: 8.67
APNIC Region origin ASes announcing only one prefix: 231
APNIC Region transit ASes present in the Internet Routing Table: 58
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: 208
Number of APNIC addresses announced to Internet: 45560896
Equivalent to 2 /8s, 183 /16s and 52 /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: 7970
Total ARIN prefixes after maximum aggregation: 4675
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 7996
Unique aggregates announced from the ARIN address blocks: 5165
ARIN Region origin ASes present in the Internet Routing Table: 1237
ARIN Prefixes per ASN: 6.46
ARIN Region origin ASes announcing only one prefix: 435
ARIN Region transit ASes present in the Internet Routing Table: 153
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: 192
Number of ARIN addresses announced to Internet: 94910272
Equivalent to 5 /8s, 168 /16s and 55 /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: 3665
Total RIPE prefixes after maximum aggregation: 2888
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3652
Unique aggregates announced from the RIPE address blocks: 2909
RIPE Region origin ASes present in the Internet Routing Table: 700
RIPE Prefixes per ASN: 5.22
RIPE Region origin ASes announcing only one prefix: 313
RIPE Region transit ASes present in the Internet Routing Table: 103
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: 150
Number of RIPE addresses announced to Internet: 57903616
Equivalent to 3 /8s, 115 /16s and 138 /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: 1473
Total LACNIC prefixes after maximum aggregation: 577
LACNIC Deaggregation factor: 2.55
Prefixes being announced from the LACNIC address blocks: 1470
Unique aggregates announced from the LACNIC address blocks: 762
LACNIC Region origin ASes present in the Internet Routing Table: 169
LACNIC Prefixes per ASN: 8.70
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 71
Number of LACNIC addresses announced to Internet: 4156192
Equivalent to 0 /8s, 63 /16s and 107 /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: 1335
Total AfriNIC prefixes after maximum aggregation: 177
AfriNIC Deaggregation factor: 7.54
Prefixes being announced from the AfriNIC address blocks: 1335
Unique aggregates announced from the AfriNIC address blocks: 227
AfriNIC Region origin ASes present in the Internet Routing Table: 54
AfriNIC Prefixes per ASN: 24.72
AfriNIC Region origin ASes announcing only one prefix: 28
AfriNIC Region transit ASes present in the Internet Routing Table: 10
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: 30
Number of AfriNIC addresses announced to Internet: 2662144
Equivalent to 0 /8s, 40 /16s and 159 /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 2162 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 196 74 142 KREONET-AS-KR KISTI, KR
4538 184 4193 75 ERX-CERNET-BKB China Education and Rese
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
55824 127 19 17 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 69 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
668 203 651 172 DNIC-AS-00668, US
376 201 162 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2152 145 507 93 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
270 118 329 82 AS270, US
32440 112 35 18 LONI, US
23024 109 7 22 OCDE, US
2920 104 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
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 158 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
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
3267 79 69 45 RUNNET, RU
553 76 462 76 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 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
11340 98 24 48 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 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
28614 38 2 2 Fundacao Universidade Regional de Blume
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 515 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
327687 162 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37215 12 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 2162 466 SINET-AS Research Organization of Infor
36914 515 82 3 KENET-AS, KE
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
668 203 651 172 DNIC-AS-00668, US
376 201 162 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
1237 196 74 142 KREONET-AS-KR KISTI, KR
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 515 512 KENET-AS, KE
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
1916 250 207 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 162 159 RENU, UG
8895 158 153 ISU Internet Services Unit ISU, SA
18558 141 137 NETBLK-RCOEK, US
55824 127 110 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
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
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US
11570 UNALLOCATED 204.134.85.0/24 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 /10:2 /11:1 /12:10
/13:19 /14:35 /15:122 /16:2014 /17:431 /18:450
/19:585 /20:862 /21:874 /22:1495 /23:1540 /24:10470
/25:86 /26:59 /27:71 /28:0 /29:0 /30:0
/31:1 /32:10
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 500 515 KENET-AS, KE
8895 153 158 ISU Internet Services Unit ISU, SA
32440 80 112 LONI, US
23024 52 109 OCDE, US
1916 40 250 Rede Nacional de Ensino e Pesquisa, BR
327700 37 43 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
3267 32 79 RUNNET, RU
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 14:88
23:5 24:3 31:7 35:6 38:8 40:1
41:216 42:16 44:7 45:42 46:5 47:1
49:9 50:1 52:1 58:12 59:20 60:5
61:3 62:15 63:32 64:48 65:1 66:39
67:41 68:10 69:17 70:2 72:7 74:51
76:41 77:9 78:3 79:10 80:16 81:25
82:6 83:7 84:11 85:31 86:9 87:1
89:10 91:50 92:2 93:4 94:4 95:2
96:5 97:1 98:2 101:5 102:35 103:269
104:73 108:8 109:7 111:16 114:23 116:6
117:61 118:33 119:18 121:29 122:8 123:8
124:40 125:5 128:85 129:40 130:83 131:65
132:63 133:155 134:109 136:196 137:126 138:9
139:5 140:41 141:3 142:38 143:23 144:25
145:2 146:125 147:58 148:193 149:11 150:44
151:12 152:133 153:14 154:30 155:63 156:66
157:18 158:31 159:115 160:30 161:15 162:20
163:80 164:13 165:47 166:1 167:13 168:119
169:8 170:77 172:3 173:7 175:18 176:8
177:6 179:12 180:15 181:1 182:1 184:2
185:59 186:3 187:17 188:14 189:3 190:18
191:13 192:1467 193:305 194:141 195:93 196:204
197:326 198:472 199:274 200:323 201:37 202:624
203:423 204:354 205:129 206:186 207:151 208:73
209:113 210:194 211:15 212:159 213:5 214:8
216:84 217:9 218:22 219:6 220:16 222:3
223:14
End of report
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