[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Aug 8 18:30:43 UTC 2024
IPv4 R&E Routing Table Report 18:30 GMT Thu 08 Aug, 2024
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: 16877
Prefixes after maximum aggregation (per Origin AS): 9980
Deaggregation factor: 1.69
Unique aggregates announced (without unneeded subnets): 11064
Number of IPv4 prefixes with a valid ROA: 5266
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 11611
Total ASes present in the Internet Routing Table: 2561
Prefixes per ASN: 6.59
Origin-only ASes present in the Internet Routing Table: 2221
Origin ASes announcing only one prefix: 1001
Transit ASes present in the Internet Routing Table: 340
Transit-only ASes present in the Internet Routing Table: 69
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 18
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 45123
Number of 32-bit ASNs visible in the Routing Table: 600
Prefixes from 32-bit ASNs in the Routing Table: 1639
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: 2
Number of addresses announced to Internet: 194729728
Equivalent to 11 /8s, 155 /16s and 87 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
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: 1373
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4594
Total APNIC prefixes after maximum aggregation: 2224
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4594
Unique aggregates announced from the APNIC address blocks: 2541
APNIC Region origin ASes present in the Internet Routing Table: 527
APNIC Prefixes per ASN: 8.72
APNIC Region origin ASes announcing only one prefix: 226
APNIC Region transit ASes present in the Internet Routing Table: 52
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 211
Number of APNIC addresses announced to Internet: 45338112
Equivalent to 2 /8s, 179 /16s and 206 /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: 7741
Total ARIN prefixes after maximum aggregation: 4635
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 7755
Unique aggregates announced from the ARIN address blocks: 5138
ARIN Region origin ASes present in the Internet Routing Table: 1238
ARIN Prefixes per ASN: 6.26
ARIN Region origin ASes announcing only one prefix: 438
ARIN Region transit ASes present in the Internet Routing Table: 150
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 198
Number of ARIN addresses announced to Internet: 88759808
Equivalent to 5 /8s, 74 /16s and 94 /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, 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: 3143
Total RIPE prefixes after maximum aggregation: 2626
RIPE Deaggregation factor: 1.20
Prefixes being announced from the RIPE address blocks: 3131
Unique aggregates announced from the RIPE address blocks: 2664
RIPE Region origin ASes present in the Internet Routing Table: 598
RIPE Prefixes per ASN: 5.24
RIPE Region origin ASes announcing only one prefix: 277
RIPE Region transit ASes present in the Internet Routing Table: 96
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: 136
Number of RIPE addresses announced to Internet: 56936448
Equivalent to 3 /8s, 100 /16s and 200 /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,
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: 782
Total LACNIC prefixes after maximum aggregation: 338
LACNIC Deaggregation factor: 2.31
Prefixes being announced from the LACNIC address blocks: 780
Unique aggregates announced from the LACNIC address blocks: 518
LACNIC Region origin ASes present in the Internet Routing Table: 92
LACNIC Prefixes per ASN: 8.48
LACNIC Region origin ASes announcing only one prefix: 42
LACNIC Region transit ASes present in the Internet Routing Table: 17
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 35
Number of LACNIC addresses announced to Internet: 1201152
Equivalent to 0 /8s, 18 /16s and 84 /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: 616
Total AfriNIC prefixes after maximum aggregation: 156
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 615
Unique aggregates announced from the AfriNIC address blocks: 201
AfriNIC Region origin ASes present in the Internet Routing Table: 36
AfriNIC Prefixes per ASN: 17.08
AfriNIC Region origin ASes announcing only one prefix: 18
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 2.5
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 20
Number of AfriNIC addresses announced to Internet: 2491904
Equivalent to 0 /8s, 38 /16s and 6 /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 589 2169 462 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 190 74 145 KREONET-AS-KR KISTI, KR
4538 190 4193 75 ERX-CERNET-BKB China Education and Resear
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 132 18 19 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
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
668 202 640 173 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
2920 175 34 7 LACOE, US
2152 150 507 97 CENIC-2152, US
18558 135 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
23024 96 7 21 OCDE, US
21976 87 50 17 NJEDGE-NET, US
237 86 543 51 MERIT-AS-14, US
1736 79 16 1 MU-AS, 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
680 283 1899 250 DFN Verein zur Foerderung eines Deutschen
786 184 1767 181 JANET Jisc Services Limited, GB
559 113 533 103 SWITCH Peering requests: peering at switch.c
1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 90 26 70 ROEDUNET, RO
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
2200 63 598 58 FR-RENATER Reseau National de telecommuni
1653 54 151 51 SUNET SUNET Swedish University Network, E
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
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
1916 82 11 42 Rede Nacional de Ensino e Pesquisa, BR
61468 47 5 15 CEDIA, EC
4270 45 16 1 Red de Interconexion Universitaria, AR
3596 37 8 4 Universidad Autonoma Metropolitana, MX
20191 28 16 1 Pontificia Universidad Catolica de Chile,
278 24 32 4 Universidad Nacional Autonoma de Mexico,
3597 19 16 2 Fundacion InnovaT, AR
27790 18 2 2 Universidad Nacional de Cordoba, AR
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 380 319 70 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
36914 27 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37661 13 8 5 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
37215 9 8 1 MAREN, MW
36982 8 33 8 UCT, 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 589 2169 462 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 380 319 70 TENET-1, ZA
680 283 1899 250 DFN Verein zur Foerderung eines Deutschen
668 202 640 173 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
1237 190 74 145 KREONET-AS-KR KISTI, KR
4538 190 4193 75 ERX-CERNET-BKB China Education and Resear
786 184 1767 181 JANET Jisc Services Limited, GB
58647 180 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 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 380 310 TENET-1, ZA
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
18558 135 131 NETBLK-RCOEK, US
4538 190 115 ERX-CERNET-BKB China Education and Research Net
55824 132 113 NKN-CORE-NW NKN Core Network, IN
81 133 100 NCREN, US
28391 153 86 Universidad Juarez Autonoma de Tabasco, MX
1736 79 78 MU-AS, 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
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, 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 /10:1 /11:1 /12:10
/13:19 /14:33 /15:118 /16:1936 /17:390 /18:398
/19:534 /20:767 /21:794 /22:1318 /23:1389 /24:9168
/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
23024 38 96 OCDE, US
327700 38 43 MoRENet, MZ
32440 36 63 LONI, US
46115 32 35 LUTHER, US
200521 32 54 SEAP-AGE, ES
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
26898 24 32 LNOCA-ORG, US
36794 24 26 SCOCA, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:92
23:4 24:3 31:1 35:3 37:8 38:10
40:1 41:66 42:17 44:5 45:37 46:5
47:1 49:10 50:3 52:1 58:17 59:20
60:6 61:2 62:5 63:33 64:44 65:1
66:36 67:41 68:10 69:16 70:2 71:1
72:7 74:51 76:41 77:7 78:3 79:10
80:8 81:23 82:2 83:6 84:4 85:13
86:3 87:1 89:11 91:42 93:13 94:2
95:2 96:5 97:1 98:2 101:4 102:7
103:276 104:79 108:8 109:6 111:15 113:2
114:24 116:8 117:61 118:35 119:23 121:28
122:8 123:8 124:42 125:5 128:84 129:36
130:92 131:60 132:67 133:155 134:109 136:11
137:51 138:58 139:5 140:36 141:3 142:25
143:23 144:23 145:2 146:134 147:63 148:192
149:13 150:33 151:9 152:105 153:15 154:36
155:63 156:132 157:7 158:33 159:121 160:30
161:15 162:22 163:61 164:14 165:47 166:1
167:9 168:119 169:6 170:87 172:3 173:6
175:18 176:8 177:2 179:11 180:16 181:1
182:1 184:1 185:45 187:4 188:11 190:18
191:3 192:1365 193:256 194:113 195:69 196:149
197:3 198:453 199:273 200:132 201:5 202:615
203:424 204:365 205:134 206:209 207:227 208:65
209:105 210:203 211:15 212:40 213:4 214:8
216:90 217:9 218:22 219:5 220:17 222:3
223:14
End of report
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