[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Dec 26 17:00:43 UTC 2024
IPv4 R&E Routing Table Report 17:00 GMT Thu 26 Dec, 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: 19517
Prefixes after maximum aggregation (per Origin AS): 10676
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 11720
Number of IPv4 prefixes with a valid ROA: 7472
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 12038
Total ASes present in the Internet Routing Table: 2778
Prefixes per ASN: 7.03
Origin-only ASes present in the Internet Routing Table: 2404
Origin ASes announcing only one prefix: 1073
Transit ASes present in the Internet Routing Table: 374
Transit-only ASes present in the Internet Routing Table: 63
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: 29
Max AS path prepend of ASN (138136) 20
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: 45999
Number of 32-bit ASNs visible in the Routing Table: 667
Prefixes from 32-bit ASNs in the Routing Table: 1832
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: 200255376
Equivalent to 11 /8s, 239 /16s and 167 /24s
Percentage of available address space announced: 5.4
Percentage of allocated address space announced: 5.4
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: 2398
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4701
Total APNIC prefixes after maximum aggregation: 2249
APNIC Deaggregation factor: 2.09
Prefixes being announced from the APNIC address blocks: 4700
Unique aggregates announced from the APNIC address blocks: 2589
APNIC Region origin ASes present in the Internet Routing Table: 557
APNIC Prefixes per ASN: 8.44
APNIC Region origin ASes announcing only one prefix: 236
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 206
Number of APNIC addresses announced to Internet: 45536864
Equivalent to 2 /8s, 182 /16s and 214 /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: 8575
Total ARIN prefixes after maximum aggregation: 4789
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 8590
Unique aggregates announced from the ARIN address blocks: 5237
ARIN Region origin ASes present in the Internet Routing Table: 1257
ARIN Prefixes per ASN: 6.83
ARIN Region origin ASes announcing only one prefix: 440
ARIN Region transit ASes present in the Internet Routing Table: 152
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: 207
Number of ARIN addresses announced to Internet: 90549600
Equivalent to 5 /8s, 101 /16s and 173 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 3659
Total RIPE prefixes after maximum aggregation: 2927
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3649
Unique aggregates announced from the RIPE address blocks: 2967
RIPE Region origin ASes present in the Internet Routing Table: 694
RIPE Prefixes per ASN: 5.26
RIPE Region origin ASes announcing only one prefix: 313
RIPE Region transit ASes present in the Internet Routing Table: 110
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: 160
Number of RIPE addresses announced to Internet: 57659792
Equivalent to 3 /8s, 111 /16s and 209 /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,
53/8, 57/8, 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: 1431
Total LACNIC prefixes after maximum aggregation: 531
LACNIC Deaggregation factor: 2.69
Prefixes being announced from the LACNIC address blocks: 1428
Unique aggregates announced from the LACNIC address blocks: 695
LACNIC Region origin ASes present in the Internet Routing Table: 152
LACNIC Prefixes per ASN: 9.39
LACNIC Region origin ASes announcing only one prefix: 53
LACNIC Region transit ASes present in the Internet Routing Table: 23
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: 64
Number of LACNIC addresses announced to Internet: 4063552
Equivalent to 0 /8s, 62 /16s and 1 /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: 1148
Total AfriNIC prefixes after maximum aggregation: 177
AfriNIC Deaggregation factor: 6.49
Prefixes being announced from the AfriNIC address blocks: 1147
Unique aggregates announced from the AfriNIC address blocks: 229
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 21.64
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 2443008
Equivalent to 0 /8s, 37 /16s and 71 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 639 2202 457 SINET-AS Research Organization of Informa
7497 444 180 24 CSTNET-AS-AP Computer Network Information
1237 194 74 145 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 313 116 AARNET-AS-AP Australian Academic and Rese
55824 145 19 20 NKN-CORE-NW NKN Core Network, IN
4538 139 4192 70 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 61 35 9 UNINET-AS-AP UNINET-, TH
2697 59 4 34 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 510 507 99 CENIC-2152, US
2920 226 44 49 LACOE, US
668 203 646 172 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 187 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 128 519 34 NCREN, US
23024 97 7 19 OCDE, US
21976 89 50 15 NJEDGE-NET, US
237 82 541 48 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
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 129 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 95 1487 82 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
3267 89 28 71 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 218 178 43 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 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 52 5 17 CEDIA, EC
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo a
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 540 82 3 KENET-AS, KE
2018 379 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327700 13 16 1 MoRENet, MZ
30983 12 4 2 MARWAN-AS, MA
37661 12 8 4 NRaE1-AS, NG
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 639 2202 457 SINET-AS Research Organization of Informa
36914 540 82 3 KENET-AS, KE
2152 510 507 99 CENIC-2152, US
7497 444 180 24 CSTNET-AS-AP Computer Network Information
2018 379 319 71 TENET-1, ZA
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
2920 226 44 49 LACOE, US
1916 218 178 43 Rede Nacional de Ensino e Pesquisa, BR
668 203 646 172 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 540 537 KENET-AS, KE
7497 444 420 CSTNET-AS-AP Computer Network Information Cente
2152 510 411 CENIC-2152, US
2018 379 308 TENET-1, ZA
5786 187 186 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 226 177 LACOE, US
1916 218 175 Rede Nacional de Ensino e Pesquisa, BR
18558 141 136 NETBLK-RCOEK, US
55824 145 125 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
65111 PRIVATE 62.40.99.40/29 20965 GEANT The GEANT IP Serv
65111 PRIVATE 62.40.117.18/31 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 /12:10
/13:18 /14:35 /15:118 /16:1986 /17:424 /18:456
/19:582 /20:871 /21:915 /22:1452 /23:1608 /24:10851
/25:48 /26:68 /27:37 /28:6 /29:14 /30:10
/31:1 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 516 540 KENET-AS, KE
8895 124 129 ISU Internet Services Unit ISU, SA
2152 61 510 CENIC-2152, US
1916 60 218 Rede Nacional de Ensino e Pesquisa, BR
3267 41 89 NIKS, RU
23024 37 97 OCDE, US
32440 36 61 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 31 53 SEAP-AGE, ES
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 24:2 31:1 35:3 37:8 38:10
41:222 42:11 44:4 45:52 46:4 47:1
49:10 50:2 52:1 59:19 60:5 61:3
62:14 63:32 64:44 65:5 66:35 67:39
68:12 69:18 70:2 71:1 72:7 74:51
76:40 77:10 78:3 79:10 80:15 81:25
82:7 83:7 84:11 85:46 86:7 87:1
89:11 91:42 92:2 93:13 94:2 95:2
96:5 97:1 98:2 101:1 102:11 103:292
104:79 108:8 109:5 111:21 113:1 114:24
116:9 117:61 118:32 119:23 121:27 122:8
123:8 124:41 125:5 128:55 129:36 130:96
131:65 132:65 133:155 134:109 136:187 137:98
138:58 139:5 140:33 141:3 142:38 143:26
144:24 145:2 146:137 147:63 148:195 149:13
150:70 151:9 152:129 153:14 154:41 155:63
156:136 157:24 158:33 159:118 160:33 161:17
162:22 163:62 164:11 165:49 166:1 167:26
168:119 169:7 170:88 172:2 173:7 175:16
177:6 179:13 180:16 181:1 182:11 184:8
185:53 186:3 187:22 188:14 189:3 190:18
191:13 192:1411 193:280 194:141 195:94 196:147
197:327 198:538 199:276 200:263 201:36 202:638
203:435 204:397 205:174 206:211 207:304 208:62
209:155 210:217 211:3 212:164 213:7 214:8
216:91 217:12 218:22 219:6 220:16 222:2
223:15
End of report
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