[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Oct 28 17:00:42 UTC 2024
IPv4 R&E Routing Table Report 17:00 GMT Mon 28 Oct, 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: 19480
Prefixes after maximum aggregation (per Origin AS): 10696
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 11752
Number of IPv4 prefixes with a valid ROA: 7352
Number of IPv4 prefixes with an invalid ROA: 8
Number of IPv4 prefixes with no ROA: 12120
Total ASes present in the Internet Routing Table: 2762
Prefixes per ASN: 7.05
Origin-only ASes present in the Internet Routing Table: 2394
Origin ASes announcing only one prefix: 1062
Transit ASes present in the Internet Routing Table: 368
Transit-only ASes present in the Internet Routing Table: 61
Paths with bogon ASNs present in the IPv4 Routing Table: 2
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 18
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: 45667
Number of 32-bit ASNs visible in the Routing Table: 665
Prefixes from 32-bit ASNs in the Routing Table: 1874
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: 3
Number of addresses announced to Internet: 202276528
Equivalent to 12 /8s, 14 /16s and 126 /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: 2415
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4601
Total APNIC prefixes after maximum aggregation: 2251
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4599
Unique aggregates announced from the APNIC address blocks: 2580
APNIC Region origin ASes present in the Internet Routing Table: 543
APNIC Prefixes per ASN: 8.47
APNIC Region origin ASes announcing only one prefix: 227
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 11
Number of APNIC region 32-bit ASNs visible in the Routing Table: 213
Number of APNIC addresses announced to Internet: 45610816
Equivalent to 2 /8s, 183 /16s and 247 /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: 8540
Total ARIN prefixes after maximum aggregation: 4806
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8556
Unique aggregates announced from the ARIN address blocks: 5249
ARIN Region origin ASes present in the Internet Routing Table: 1255
ARIN Prefixes per ASN: 6.82
ARIN Region origin ASes announcing only one prefix: 438
ARIN Region transit ASes present in the Internet Routing Table: 152
Average ARIN Region AS path length visible: 4.4
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: 91172256
Equivalent to 5 /8s, 111 /16s and 45 /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: 3673
Total RIPE prefixes after maximum aggregation: 2927
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3663
Unique aggregates announced from the RIPE address blocks: 2976
RIPE Region origin ASes present in the Internet Routing Table: 694
RIPE Prefixes per ASN: 5.28
RIPE Region origin ASes announcing only one prefix: 312
RIPE Region transit ASes present in the Internet Routing Table: 108
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: 158
Number of RIPE addresses announced to Internet: 58815376
Equivalent to 3 /8s, 129 /16s and 115 /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: 1494
Total LACNIC prefixes after maximum aggregation: 534
LACNIC Deaggregation factor: 2.80
Prefixes being announced from the LACNIC address blocks: 1491
Unique aggregates announced from the LACNIC address blocks: 717
LACNIC Region origin ASes present in the Internet Routing Table: 153
LACNIC Prefixes per ASN: 9.75
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 21
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: 62
Number of LACNIC addresses announced to Internet: 4123712
Equivalent to 0 /8s, 62 /16s and 236 /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: 1169
Total AfriNIC prefixes after maximum aggregation: 175
AfriNIC Deaggregation factor: 6.68
Prefixes being announced from the AfriNIC address blocks: 1168
Unique aggregates announced from the AfriNIC address blocks: 227
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 22.04
AfriNIC Region origin ASes announcing only one prefix: 33
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2551808
Equivalent to 0 /8s, 38 /16s and 240 /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 600 2170 465 SINET-AS Research Organization of Informa
7497 449 212 25 CSTNET-AS-AP Computer Network Information
1237 194 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 133 19 20 NKN-CORE-NW NKN Core Network, IN
4538 130 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/GEANT/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 429 507 98 CENIC-2152, US
2920 224 44 45 LACOE, US
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
23024 95 7 21 OCDE, US
21976 91 50 17 NJEDGE-NET, US
237 85 541 50 MERIT-AS-14, 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 1899 249 DFN Verein zur Foerderung eines Deutschen
786 187 1767 184 JANET Jisc Services Limited, GB
8895 132 24 4 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
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 277 178 44 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
61468 51 5 17 CEDIA, EC
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 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 528 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 36 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
30983 12 4 2 MARWAN-AS, MA
37661 12 8 4 NRaE1-AS, NG
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 600 2170 465 SINET-AS Research Organization of Informa
36914 528 82 3 KENET-AS, KE
7497 449 212 25 CSTNET-AS-AP Computer Network Information
2152 429 507 98 CENIC-2152, US
2018 381 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
1916 277 178 44 Rede Nacional de Ensino e Pesquisa, BR
2920 224 44 45 LACOE, US
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
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 528 525 KENET-AS, KE
7497 449 424 CSTNET-AS-AP Computer Network Information Cente
2152 429 331 CENIC-2152, US
2018 381 310 TENET-1, ZA
1916 277 233 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
2920 224 179 LACOE, US
58647 180 178 KAGAWAU-AS Kagawa University, JP
18558 140 136 NETBLK-RCOEK, US
8895 132 128 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 62.40.99.56/32 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
203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
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 /12:11
/13:18 /14:35 /15:119 /16:1996 /17:421 /18:451
/19:584 /20:867 /21:917 /22:1465 /23:1600 /24:10796
/25:55 /26:68 /27:36 /28:8 /29:14 /30:10
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 507 528 KENET-AS, KE
8895 127 132 ISU Internet Services Unit ISU, SA
1916 68 277 Rede Nacional de Ensino e Pesquisa, BR
3267 42 88 NIKS, RU
2152 41 429 CENIC-2152, US
23024 37 95 OCDE, US
327700 35 36 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
32440 32 50 LONI, US
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
23:6 24:3 31:1 35:3 37:8 38:10
40:1 41:242 42:11 44:5 45:49 46:4
47:1 49:11 50:2 52:1 59:19 60:6
61:3 62:15 63:32 64:43 65:4 66:42
67:40 68:10 69:19 70:2 71:1 72:7
74:53 76:33 77:10 78:3 79:10 80:15
81:25 82:7 83:7 84:11 85:46 86:10
87:1 89:11 91:43 92:2 93:13 94:2
95:2 96:5 97:1 98:2 101:1 102:12
103:281 104:74 108:8 109:4 111:16 113:2
114:24 116:9 117:61 118:33 119:23 121:27
122:8 123:8 124:42 125:5 128:54 129:36
130:95 131:60 132:52 133:154 134:109 136:197
137:83 138:58 139:6 140:35 141:3 142:52
143:26 144:27 145:2 146:136 147:63 148:195
149:12 150:40 151:9 152:140 153:14 154:39
155:62 156:138 157:26 158:31 159:121 160:31
161:17 162:22 163:61 164:11 165:49 166:1
167:25 168:120 169:7 170:88 172:2 173:7
175:5 177:6 179:13 180:16 181:1 182:1
184:7 185:55 186:3 187:21 188:13 189:3
190:18 191:13 192:1414 193:282 194:143 195:90
196:150 197:323 198:538 199:277 200:326 201:37
202:627 203:434 204:399 205:163 206:211 207:280
208:64 209:137 210:201 211:3 212:166 213:7
214:8 216:89 217:9 218:21 219:5 220:17
222:2 223:15
End of report
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