[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Aug 31 18:30:42 UTC 2022
IPv4 R&E Routing Table Report 18:30 GMT Wed 31 Aug, 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: 17556
Prefixes after maximum aggregation (per Origin AS): 10304
Deaggregation factor: 1.70
Unique aggregates announced (without unneeded subnets): 11527
Number of IPv4 prefixes with a valid ROA: 3856
Number of IPv4 prefixes with an invalid ROA: 6
Number of IPv4 prefixes with no ROA: 13694
Total ASes present in the Internet Routing Table: 2729
Prefixes per ASN: 6.43
Origin-only ASes present in the Internet Routing Table: 2351
Origin ASes announcing only one prefix: 1085
Transit ASes present in the Internet Routing Table: 378
Transit-only ASes present in the Internet Routing Table: 68
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: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 40106
Number of 32-bit ASNs visible in the Routing Table: 632
Prefixes from 32-bit ASNs in the Routing Table: 1728
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: 202498816
Equivalent to 12 /8s, 17 /16s and 227 /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: 1732
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4645
Total APNIC prefixes after maximum aggregation: 2296
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4646
Unique aggregates announced from the APNIC address blocks: 2598
APNIC Region origin ASes present in the Internet Routing Table: 586
APNIC Prefixes per ASN: 7.93
APNIC Region origin ASes announcing only one prefix: 263
APNIC Region transit ASes present in the Internet Routing Table: 64
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: 229
Number of APNIC addresses announced to Internet: 46097920
Equivalent to 2 /8s, 191 /16s and 102 /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: 7409
Total ARIN prefixes after maximum aggregation: 4445
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 7422
Unique aggregates announced from the ARIN address blocks: 5010
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: 434
ARIN Region transit ASes present in the Internet Routing Table: 160
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: 180
Number of ARIN addresses announced to Internet: 91990528
Equivalent to 5 /8s, 123 /16s and 170 /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: 3477
Total RIPE prefixes after maximum aggregation: 2806
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3467
Unique aggregates announced from the RIPE address blocks: 2834
RIPE Region origin ASes present in the Internet Routing Table: 669
RIPE Prefixes per ASN: 5.18
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 133
Number of RIPE addresses announced to Internet: 57828352
Equivalent to 3 /8s, 114 /16s and 100 /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: 1268
Total LACNIC prefixes after maximum aggregation: 537
LACNIC Deaggregation factor: 2.36
Prefixes being announced from the LACNIC address blocks: 1268
Unique aggregates announced from the LACNIC address blocks: 774
LACNIC Region origin ASes present in the Internet Routing Table: 150
LACNIC Prefixes per ASN: 8.45
LACNIC Region origin ASes announcing only one prefix: 59
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 3936000
Equivalent to 0 /8s, 60 /16s and 15 /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: 751
Total AfriNIC prefixes after maximum aggregation: 214
AfriNIC Deaggregation factor: 3.51
Prefixes being announced from the AfriNIC address blocks: 751
Unique aggregates announced from the AfriNIC address blocks: 309
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 15.02
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 12
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: 28
Number of AfriNIC addresses announced to Internet: 2645504
Equivalent to 0 /8s, 40 /16s and 94 /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 567 2156 456 SINET-AS Research Organization of Infor
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
4538 187 4176 72 ERX-CERNET-BKB China Education and Rese
1237 186 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 151 507 91 CSUNET-NW, US
18558 137 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 80 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
680 277 1950 246 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 98 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 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 157 207 42 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
61468 42 3 15 CEDIA, EC
4270 41 16 1 Red de Interconexion Universitaria, AR
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
28571 33 25 14 UNIVERSIDADE DE SAO PAULO, BR
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 378 319 73 TENET-1, ZA
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 40 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
36914 29 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37182 20 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 567 2156 456 SINET-AS Research Organization of Infor
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
2018 378 319 73 TENET-1, ZA
680 277 1950 246 DFN Verein zur Foerderung eines Deutsch
376 203 178 152 RISQ-AS, CA
4538 187 4176 72 ERX-CERNET-BKB China Education and Rese
786 186 1775 183 JANET Jisc Services Limited, GB
1237 186 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
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 433 409 CSTNET-AS-AP Computer Network Information Cente
2018 378 305 TENET-1, ZA
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 138 134 ISU Internet Services Unit ISU, SA
18558 137 133 NETBLK-RCOEK, US
4538 187 115 ERX-CERNET-BKB China Education and Research Net
1916 157 115 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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, 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: 11537 INTERNET2-RESEARCH-EDU, US
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 /16:1973 /17:393 /18:432
/19:542 /20:824 /21:824 /22:1362 /23:1474 /24:9543
/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
327700 29 34 MoRENet, MZ
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
23:8 24:2 31:7 35:4 38:9 40:1
41:62 42:15 44:5 45:31 46:5 47:1
49:10 52:1 58:10 59:21 60:4 61:3
62:10 63:34 64:51 65:1 66:35 67:42
68:8 69:19 70:2 71:1 72:7 74:50
76:36 77:7 78:3 79:10 80:18 81:28
82:6 83:6 84:5 85:43 86:6 87:1
88:1 89:10 91:45 92:1 93:4 94:4
95:3 96:5 97:1 98:2 101:8 102:15
103:298 104:75 108:8 109:10 110:4 111:15
114:23 116:6 117:61 118:33 119:23 121:28
122:8 123:8 124:39 125:4 128:86 129:37
130:90 131:75 132:58 133:145 134:95 136:11
137:75 138:11 139:4 140:41 141:1 142:39
143:30 144:23 145:1 146:130 147:55 148:191
149:12 150:130 151:6 152:72 153:13 154:28
155:51 156:66 157:25 158:40 159:116 160:26
161:20 162:20 163:66 164:10 165:57 166:1
167:16 168:120 169:10 170:49 172:2 173:7
175:30 176:8 177:6 179:10 180:18 181:1
182:3 184:2 185:43 186:3 187:17 188:13
189:3 190:33 191:26 192:1415 193:311 194:142
195:92 196:163 197:5 198:466 199:254 200:198
201:37 202:633 203:425 204:337 205:121 206:185
207:161 208:66 209:114 210:181 211:13 212:168
213:5 216:83 217:11 218:22 219:12 220:15
222:6 223:6
End of report
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