[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Oct 6 18:30:43 UTC 2022
IPv4 R&E Routing Table Report 18:30 GMT Thu 06 Oct, 2022
IPv4 BGP Table (R&E) as seen at UbuntuNet Alliance.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 17582
Prefixes after maximum aggregation (per Origin AS): 10294
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 11531
Number of IPv4 prefixes with a valid ROA: 3934
Number of IPv4 prefixes with an invalid ROA: 3
Number of IPv4 prefixes with no ROA: 13645
Total ASes present in the Internet Routing Table: 2730
Prefixes per ASN: 6.44
Origin-only ASes present in the Internet Routing Table: 2358
Origin ASes announcing only one prefix: 1079
Transit ASes present in the Internet Routing Table: 372
Transit-only ASes present in the Internet Routing Table: 67
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 29
Max AS path prepend of ASN ( 29614) 17
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 40346
Number of 32-bit ASNs visible in the Routing Table: 635
Prefixes from 32-bit ASNs in the Routing Table: 1751
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 202494464
Equivalent to 12 /8s, 17 /16s and 210 /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: 1740
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4678
Total APNIC prefixes after maximum aggregation: 2300
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4679
Unique aggregates announced from the APNIC address blocks: 2617
APNIC Region origin ASes present in the Internet Routing Table: 586
APNIC Prefixes per ASN: 7.98
APNIC Region origin ASes announcing only one prefix: 256
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 227
Number of APNIC addresses announced to Internet: 46170368
Equivalent to 2 /8s, 192 /16s and 129 /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, 131072-151865
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: 7410
Total ARIN prefixes after maximum aggregation: 4442
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 7420
Unique aggregates announced from the ARIN address blocks: 4997
ARIN Region origin ASes present in the Internet Routing Table: 1201
ARIN Prefixes per ASN: 6.18
ARIN Region origin ASes announcing only one prefix: 438
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 181
Number of ARIN addresses announced to Internet: 92084736
Equivalent to 5 /8s, 125 /16s and 26 /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: 3476
Total RIPE prefixes after maximum aggregation: 2802
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3468
Unique aggregates announced from the RIPE address blocks: 2835
RIPE Region origin ASes present in the Internet Routing Table: 667
RIPE Prefixes per ASN: 5.20
RIPE Region origin ASes announcing only one prefix: 299
RIPE Region transit ASes present in the Internet Routing Table: 95
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 135
Number of RIPE addresses announced to Internet: 57763584
Equivalent to 3 /8s, 113 /16s and 103 /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
196608-213403
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: 1273
Total LACNIC prefixes after maximum aggregation: 532
LACNIC Deaggregation factor: 2.39
Prefixes being announced from the LACNIC address blocks: 1273
Unique aggregates announced from the LACNIC address blocks: 773
LACNIC Region origin ASes present in the Internet Routing Table: 153
LACNIC Prefixes per ASN: 8.32
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 3814144
Equivalent to 0 /8s, 58 /16s and 51 /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: 740
Total AfriNIC prefixes after maximum aggregation: 213
AfriNIC Deaggregation factor: 3.47
Prefixes being announced from the AfriNIC address blocks: 740
Unique aggregates announced from the AfriNIC address blocks: 307
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 14.51
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2661120
Equivalent to 0 /8s, 40 /16s and 155 /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 568 2156 456 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
4538 189 4192 73 ERX-CERNET-BKB China Education and Rese
1237 187 74 135 KREONET-AS-KR KISTI, KR
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
55824 113 18 10 NKN-CORE-NW NKN Core Network, IN
4621 78 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 203 178 152 RISQ-AS, CA
2152 149 507 90 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 114 7 17 OCDE, US
2920 108 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, US
1736 81 16 1 MU-AS, US
3 79 496 16 MIT-GATEWAYS, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 276 1934 245 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 138 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 87 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 81 676 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 63 583 58 FR-RENATER Reseau National de telecommu
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 156 207 42 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 96 24 54 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 42 3 15 CEDIA, EC
28614 37 2 2 Fundacao Universidade Regional de Blume
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
3596 34 4 3 Universidad Autonoma Metropolitana, MX
263683 33 10 21 Universidad de Costa Rica, CR
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 367 319 71 TENET-1, ZA
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 40 28 3 RENU, UG
327700 32 16 1 MoRENet, MZ
36914 29 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37182 19 1 14 TERNET, TZ
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 568 2156 456 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 367 319 71 TENET-1, ZA
680 276 1934 245 DFN Verein zur Foerderung eines Deutsch
376 203 178 152 RISQ-AS, CA
4538 189 4192 73 ERX-CERNET-BKB China Education and Rese
1237 187 74 135 KREONET-AS-KR KISTI, KR
786 186 1775 183 JANET Jisc Services Limited, GB
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 367 296 TENET-1, ZA
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 138 134 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
4538 189 116 ERX-CERNET-BKB China Education and Research Net
1916 156 114 Rede Nacional de Ensino e Pesquisa, BR
55824 113 103 NKN-CORE-NW NKN Core Network, IN
2920 108 101 LACOE, US
23024 114 97 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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 /15:121 /16:1971 /17:393 /18:433
/19:546 /20:828 /21:825 /22:1365 /23:1485 /24:9547
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8895 133 138 ISU Internet Services Unit ISU, SA
23024 53 114 OCDE, US
32440 32 47 LONI, US
46115 32 35 LUTHER, US
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
200521 28 49 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 5:15 8:2 12:1 14:85 18:43
23:6 24:2 31:7 35:4 38:9 40:1
41:59 42:15 44:5 45:36 46:5 47:1
49:10 52:1 58:11 59:21 60:4 61:3
62:9 63:33 64:51 65:1 66:34 67:42
68:8 69:21 70:2 71:1 72:7 74:50
76:37 77:8 78:3 79:10 80:18 81:28
82:7 83:6 84:5 85:43 86:5 87:1
88:1 89:10 91:47 92:1 93:4 94:4
95:3 96:5 97:2 98:2 101:8 102:11
103:315 104:74 108:8 109:10 110:4 111:15
114:23 116:6 117:61 118:33 119:23 121:29
122:8 123:8 124:39 125:4 128:86 129:38
130:90 131:76 132:58 133:144 134:95 136:11
137:75 138:11 139:4 140:41 141:1 142:39
143:29 144:23 145:1 146:131 147:57 148:191
149:12 150:130 151:6 152:71 153:14 154:28
155:51 156:67 157:23 158:42 159:116 160:26
161:21 162:20 163:66 164:10 165:51 166:1
167:16 168:112 169:10 170:56 171:1 172:2
173:7 175:30 176:8 177:6 179:10 180:18
181:1 182:3 184:2 185:43 186:3 187:17
188:13 189:3 190:33 191:26 192:1408 193:310
194:144 195:92 196:160 197:5 198:466 199:246
200:206 201:37 202:631 203:427 204:334 205:119
206:186 207:160 208:65 209:115 210:181 211:13
212:169 213:5 216:83 217:11 218:22 219:12
220:15 222:6 223:6
End of report
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