[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 May 19 18:30:37 UTC 2022
IPv4 R&E Routing Table Report 18:30 GMT Thu 19 May, 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: 17380
Prefixes after maximum aggregation (per Origin AS): 10173
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 11355
Number of IPv4 prefixes with a valid ROA: 3703
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 13677
Total ASes present in the Internet Routing Table: 2678
Prefixes per ASN: 6.49
Origin-only ASes present in the Internet Routing Table: 2312
Origin ASes announcing only one prefix: 1065
Transit ASes present in the Internet Routing Table: 366
Transit-only ASes present in the Internet Routing Table: 55
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 17
Max AS path prepend of ASN ( 1149) 11
Prefixes from unregistered ASNs in the Routing Table: 8
Number of instances of unregistered ASNs: 8
Number of 32-bit ASNs allocated by the RIRs: 39419
Number of 32-bit ASNs visible in the Routing Table: 602
Prefixes from 32-bit ASNs in the Routing Table: 1609
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: 202100480
Equivalent to 12 /8s, 11 /16s and 207 /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: 1666
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4660
Total APNIC prefixes after maximum aggregation: 2276
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4661
Unique aggregates announced from the APNIC address blocks: 2585
APNIC Region origin ASes present in the Internet Routing Table: 574
APNIC Prefixes per ASN: 8.12
APNIC Region origin ASes announcing only one prefix: 250
APNIC Region transit ASes present in the Internet Routing Table: 66
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 224
Number of APNIC addresses announced to Internet: 46067968
Equivalent to 2 /8s, 190 /16s and 241 /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: 7312
Total ARIN prefixes after maximum aggregation: 4400
ARIN Deaggregation factor: 1.66
Prefixes being announced from the ARIN address blocks: 7331
Unique aggregates announced from the ARIN address blocks: 4971
ARIN Region origin ASes present in the Internet Routing Table: 1185
ARIN Prefixes per ASN: 6.19
ARIN Region origin ASes announcing only one prefix: 432
ARIN Region transit ASes present in the Internet Routing Table: 154
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: 171
Number of ARIN addresses announced to Internet: 91638272
Equivalent to 5 /8s, 118 /16s and 74 /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: 3438
Total RIPE prefixes after maximum aggregation: 2789
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3426
Unique aggregates announced from the RIPE address blocks: 2781
RIPE Region origin ASes present in the Internet Routing Table: 664
RIPE Prefixes per ASN: 5.16
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 132
Number of RIPE addresses announced to Internet: 57900544
Equivalent to 3 /8s, 115 /16s and 126 /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: 1227
Total LACNIC prefixes after maximum aggregation: 514
LACNIC Deaggregation factor: 2.39
Prefixes being announced from the LACNIC address blocks: 1226
Unique aggregates announced from the LACNIC address blocks: 736
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 7.86
LACNIC Region origin ASes announcing only one prefix: 65
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 59
Number of LACNIC addresses announced to Internet: 3856896
Equivalent to 0 /8s, 58 /16s and 218 /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: 735
Total AfriNIC prefixes after maximum aggregation: 186
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 734
Unique aggregates announced from the AfriNIC address blocks: 280
AfriNIC Region origin ASes present in the Internet Routing Table: 38
AfriNIC Prefixes per ASN: 19.32
AfriNIC Region origin ASes announcing only one prefix: 14
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 2.5
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 16
Number of AfriNIC addresses announced to Internet: 2636288
Equivalent to 0 /8s, 40 /16s and 58 /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 571 2140 454 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
4538 190 4192 73 ERX-CERNET-BKB China Education and Rese
1237 187 74 135 KREONET-AS-KR KISTI, KR
7575 177 330 123 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
376 202 178 151 RISQ-AS, CA
2152 151 507 90 CSUNET-NW, US
18558 131 18 4 NETBLK-RCOEK, US
270 120 329 88 AS270, US
23024 114 7 17 OCDE, US
2920 107 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 78 496 15 MIT-GATEWAYS, US
3477 78 71 47 NOAA-NWAVE, 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
680 279 1966 247 DFN Verein zur Foerderung eines Deutsch
786 186 1774 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 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 96 27 76 ROEDUNET, RO
137 82 677 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 155 207 44 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 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 41 3 15 CEDIA, EC
28614 37 2 2 Fundacao Universidade Regional de Blume
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
3596 33 2 2 Universidad Autonoma Metropolitana, MX
20191 31 16 1 Pontificia Universidad Catolica de Chil
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 376 319 74 TENET-1, ZA
2561 67 4 32 EUN, EG
8094 49 48 9 PUKNET, ZA
327687 37 28 3 RENU, UG
327700 36 16 1 MoRENet, MZ
36914 29 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37182 17 8 1 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 571 2140 454 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 376 319 74 TENET-1, ZA
680 279 1966 247 DFN Verein zur Foerderung eines Deutsch
376 202 178 151 RISQ-AS, CA
4538 190 4192 73 ERX-CERNET-BKB China Education and Rese
1237 187 74 135 KREONET-AS-KR KISTI, KR
786 186 1774 183 JANET Jisc Services Limited, GB
7575 177 330 123 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 376 302 TENET-1, ZA
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 138 134 ISU Internet Services Unit ISU, SA
18558 131 127 NETBLK-RCOEK, US
4538 190 117 ERX-CERNET-BKB China Education and Research Net
1916 155 111 Rede Nacional de Ensino e Pesquisa, BR
55824 113 103 NKN-CORE-NW NKN Core Network, IN
2920 107 101 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
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
14212 UNALLOCATED 198.189.240.0/24 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
14212 UNALLOCATED 205.155.0.0/19 2152 CSUNET-NW, US
14212 UNALLOCATED 205.155.240.0/20 2152 CSUNET-NW, 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 /14:36 /15:121 /16:1973 /17:391 /18:427
/19:540 /20:824 /21:818 /22:1348 /23:1464 /24:9405
/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
327700 32 36 MoRENet, MZ
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
32440 30 45 LONI, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
30220 25 26 SWTELCOOP, US
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 14:84 18:43
23:9 24:2 31:6 35:4 37:6 38:9
40:1 41:61 42:15 44:5 45:36 46:6
47:1 49:10 50:1 52:1 58:10 59:21
60:4 61:3 62:7 63:34 64:51 66:35
67:42 68:8 69:19 70:2 71:1 72:9
74:18 76:33 77:7 78:3 79:10 80:17
81:28 82:5 83:6 84:5 85:43 86:4
87:1 88:1 89:10 91:43 93:10 94:4
95:3 96:5 97:1 98:2 101:8 102:9
103:297 104:76 108:8 109:10 110:4 111:15
114:23 116:7 117:61 118:33 119:23 121:28
122:8 123:8 124:39 125:4 128:91 129:36
130:93 131:83 132:58 133:145 134:93 136:11
137:74 138:9 139:4 140:37 141:1 142:41
143:24 144:23 145:1 146:129 147:56 148:191
149:12 150:40 151:6 152:71 153:13 154:29
155:51 156:66 157:21 158:41 159:116 160:25
161:21 162:20 163:55 164:19 165:57 166:2
167:16 168:123 169:10 170:51 171:1 172:2
173:7 175:31 176:8 177:7 179:9 180:21
181:1 182:5 184:4 185:36 186:3 187:17
188:13 189:5 190:33 191:26 192:1405 193:305
194:141 195:86 196:164 197:5 198:462 199:253
200:202 201:37 202:632 203:424 204:316 205:165
206:184 207:163 208:67 209:113 210:180 211:15
212:147 213:5 216:83 217:11 218:22 219:12
220:15 222:6 223:4
End of report
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