[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 Mar 9 18:30:30 UTC 2022
IPv4 R&E Routing Table Report 18:30 GMT Wed 09 Mar, 2022
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: 17645
Prefixes after maximum aggregation (per Origin AS): 10189
Deaggregation factor: 1.73
Unique aggregates announced (without unneeded subnets): 11353
Number of IPv4 prefixes with a valid ROA: 3693
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 13952
Total ASes present in the Internet Routing Table: 2706
Prefixes per ASN: 6.52
Origin-only ASes present in the Internet Routing Table: 2338
Origin ASes announcing only one prefix: 1092
Transit ASes present in the Internet Routing Table: 368
Transit-only ASes present in the Internet Routing Table: 51
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 15
Max AS path prepend of ASN (211089) 11
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: 38738
Number of 32-bit ASNs visible in the Routing Table: 613
Prefixes from 32-bit ASNs in the Routing Table: 1642
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: 202472448
Equivalent to 12 /8s, 17 /16s and 124 /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: 99.5
Total number of prefixes smaller than registry allocations: 1717
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4714
Total APNIC prefixes after maximum aggregation: 2321
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4715
Unique aggregates announced from the APNIC address blocks: 2640
APNIC Region origin ASes present in the Internet Routing Table: 582
APNIC Prefixes per ASN: 8.10
APNIC Region origin ASes announcing only one prefix: 250
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 223
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: 7452
Total ARIN prefixes after maximum aggregation: 4337
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 7464
Unique aggregates announced from the ARIN address blocks: 4851
ARIN Region origin ASes present in the Internet Routing Table: 1177
ARIN Prefixes per ASN: 6.34
ARIN Region origin ASes announcing only one prefix: 433
ARIN Region transit ASes present in the Internet Routing Table: 155
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 163
Number of ARIN addresses announced to Internet: 91741696
Equivalent to 5 /8s, 119 /16s and 222 /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: 3414
Total RIPE prefixes after maximum aggregation: 2772
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3401
Unique aggregates announced from the RIPE address blocks: 2753
RIPE Region origin ASes present in the Internet Routing Table: 671
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 316
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 4.0
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: 58042624
Equivalent to 3 /8s, 117 /16s and 169 /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: 1326
Total LACNIC prefixes after maximum aggregation: 568
LACNIC Deaggregation factor: 2.33
Prefixes being announced from the LACNIC address blocks: 1329
Unique aggregates announced from the LACNIC address blocks: 817
LACNIC Region origin ASes present in the Internet Routing Table: 170
LACNIC Prefixes per ASN: 7.82
LACNIC Region origin ASes announcing only one prefix: 71
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69
Number of LACNIC addresses announced to Internet: 3751424
Equivalent to 0 /8s, 57 /16s and 62 /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: 734
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: 290
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 14.68
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 2.6
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2765824
Equivalent to 0 /8s, 42 /16s and 52 /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 584 2157 458 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 186 74 135 KREONET-AS-KR KISTI, KR
4538 177 4192 72 ERX-CERNET-BKB China Education and Rese
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
58647 167 18 2 KAGAWAU-AS Kagawa University, JP
55824 128 18 22 NKN-CORE-NW NKN Core Network, IN
4621 79 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
7896 252 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
2152 145 507 86 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 108 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 77 496 15 MIT-GATEWAYS, US
3477 76 71 45 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
680 273 1964 240 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 141 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
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2614 69 30 59 ROEDUNET, RO
2200 66 647 61 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 155 191 43 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 58 102 38 Fundacao Carlos Chagas Filho de Amparo
52286 54 4 31 Columbus Networks Guatemala, GT
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 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
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 357 319 71 TENET-1, ZA
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 39 28 3 RENU, UG
327700 35 16 1 MoRENet, MZ
36914 30 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 584 2157 458 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 357 319 71 TENET-1, ZA
680 273 1964 240 DFN Verein zur Foerderung eines Deutsch
7896 252 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
786 186 1774 183 JANET Jisc Services Limited, GB
1237 186 74 135 KREONET-AS-KR KISTI, KR
4538 177 4192 72 ERX-CERNET-BKB China Education and Rese
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
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 357 286 TENET-1, ZA
7896 252 245 NU-AS, US
58647 167 165 KAGAWAU-AS Kagawa University, JP
8895 141 137 ISU Internet Services Unit ISU, SA
18558 135 131 NETBLK-RCOEK, US
1916 155 112 Rede Nacional de Ensino e Pesquisa, BR
55824 128 106 NKN-CORE-NW NKN Core Network, IN
4538 177 105 ERX-CERNET-BKB China Education and Research Net
2920 108 102 LACOE, 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
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
/13:18 /14:35 /15:121 /16:1976 /17:384 /18:428
/19:544 /20:829 /21:856 /22:1372 /23:1495 /24:9573
/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 136 141 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
327700 31 35 MoRENet, MZ
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, 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)
----------------------------------------------
1:4 5:15 8:2 12:1 14:85 18:42
23:9 24:2 31:6 37:6 38:9 40:1
41:60 42:14 44:5 45:44 46:6 47:1
49:10 50:1 52:1 58:7 59:20 60:4
61:3 62:7 63:34 64:47 66:35 67:42
68:8 69:20 70:2 71:1 72:10 74:20
76:33 77:7 78:3 79:10 80:15 81:28
82:4 83:6 84:5 85:38 86:4 87:1
88:1 89:10 91:44 92:1 93:23 94:4
95:4 96:5 97:1 98:2 101:8 102:13
103:310 104:14 106:1 108:8 109:10 110:3
111:19 112:4 114:23 116:5 117:61 118:32
119:22 121:27 122:8 123:8 124:39 125:4
128:81 129:176 130:92 131:88 132:56 133:141
134:95 136:3 137:87 138:8 139:4 140:35
141:1 142:41 143:28 144:52 145:1 146:128
147:56 148:191 149:13 150:42 151:6 152:71
153:13 154:26 155:51 156:67 157:26 158:42
159:116 160:25 161:21 162:20 163:57 164:43
165:50 166:2 167:16 168:166 169:10 170:52
171:1 172:2 173:2 175:31 176:8 177:7
179:11 180:21 181:16 182:3 184:3 185:38
186:3 187:17 188:13 189:5 190:49 191:26
192:1393 193:270 194:140 195:85 196:152 197:6
198:460 199:252 200:209 201:38 202:633 203:424
204:314 205:161 206:186 207:161 208:66 209:112
210:182 211:13 212:147 213:5 216:84 217:11
218:25 219:12 220:16 222:5 223:4
End of report
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