[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Feb 7 18:30:40 UTC 2023
IPv4 R&E Routing Table Report 18:30 GMT Tue 07 Feb, 2023
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: 17701
Prefixes after maximum aggregation (per Origin AS): 10333
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 11582
Number of IPv4 prefixes with a valid ROA: 4087
Number of IPv4 prefixes with an invalid ROA: 36
Number of IPv4 prefixes with no ROA: 13578
Total ASes present in the Internet Routing Table: 2736
Prefixes per ASN: 6.47
Origin-only ASes present in the Internet Routing Table: 2365
Origin ASes announcing only one prefix: 1059
Transit ASes present in the Internet Routing Table: 371
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: 4.4
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
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: 41201
Number of 32-bit ASNs visible in the Routing Table: 632
Prefixes from 32-bit ASNs in the Routing Table: 1721
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: 201678080
Equivalent to 12 /8s, 5 /16s and 93 /24s
Percentage of available address space announced: 5.4
Percentage of allocated address space announced: 5.4
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: 1801
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4674
Total APNIC prefixes after maximum aggregation: 2291
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4675
Unique aggregates announced from the APNIC address blocks: 2625
APNIC Region origin ASes present in the Internet Routing Table: 579
APNIC Prefixes per ASN: 8.07
APNIC Region origin ASes announcing only one prefix: 246
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 224
Number of APNIC addresses announced to Internet: 45889536
Equivalent to 2 /8s, 188 /16s and 56 /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: 7522
Total ARIN prefixes after maximum aggregation: 4499
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 7539
Unique aggregates announced from the ARIN address blocks: 5047
ARIN Region origin ASes present in the Internet Routing Table: 1222
ARIN Prefixes per ASN: 6.17
ARIN Region origin ASes announcing only one prefix: 439
ARIN Region transit ASes present in the Internet Routing Table: 158
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 187
Number of ARIN addresses announced to Internet: 91554560
Equivalent to 5 /8s, 117 /16s and 3 /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: 3510
Total RIPE prefixes after maximum aggregation: 2815
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3500
Unique aggregates announced from the RIPE address blocks: 2863
RIPE Region origin ASes present in the Internet Routing Table: 671
RIPE Prefixes per ASN: 5.22
RIPE Region origin ASes announcing only one prefix: 299
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 137
Number of RIPE addresses announced to Internet: 57763072
Equivalent to 3 /8s, 113 /16s and 101 /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: 1200
Total LACNIC prefixes after maximum aggregation: 517
LACNIC Deaggregation factor: 2.32
Prefixes being announced from the LACNIC address blocks: 1196
Unique aggregates announced from the LACNIC address blocks: 753
LACNIC Region origin ASes present in the Internet Routing Table: 142
LACNIC Prefixes per ASN: 8.42
LACNIC Region origin ASes announcing only one prefix: 53
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: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 56
Number of LACNIC addresses announced to Internet: 3768832
Equivalent to 0 /8s, 57 /16s and 130 /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: 790
Total AfriNIC prefixes after maximum aggregation: 206
AfriNIC Deaggregation factor: 3.83
Prefixes being announced from the AfriNIC address blocks: 789
Unique aggregates announced from the AfriNIC address blocks: 292
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 15.47
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: 2.8
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2701312
Equivalent to 0 /8s, 41 /16s and 56 /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 583 2157 462 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
1237 185 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
55824 117 18 11 NKN-CORE-NW NKN Core Network, IN
4621 70 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
376 200 178 149 RISQ-AS, CA
2152 148 507 92 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, US
2920 107 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
3477 70 62 41 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
680 276 1918 245 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 135 24 4 ISU Internet Services Unit ISU, SA
559 114 550 105 SWITCH Peering requests: peering at switch
1103 95 1518 85 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
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 63 583 58 FR-RENATER Reseau National de telecommu
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 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 47 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 45 16 1 Red de Interconexion Universitaria, AR
61468 42 3 14 CEDIA, EC
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
28614 36 2 2 Fundacao Universidade Regional de Blume
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 374 319 72 TENET-1, ZA
2561 67 4 34 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 44 28 3 RENU, UG
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
36914 29 82 3 KENET-AS, KE
327700 28 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
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 583 2157 462 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 374 319 72 TENET-1, ZA
680 276 1918 245 DFN Verein zur Foerderung eines Deutsch
376 200 178 149 RISQ-AS, CA
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
786 186 1775 183 JANET Jisc Services Limited, GB
1237 185 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 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 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 374 302 TENET-1, ZA
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 135 131 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
4538 191 118 ERX-CERNET-BKB China Education and Research Net
1916 157 115 Rede Nacional de Ensino e Pesquisa, BR
55824 117 106 NKN-CORE-NW NKN Core Network, IN
2920 107 100 LACOE, US
23024 113 96 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
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
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
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 /10:2 /11:1 /12:10
/13:19 /14:35 /15:121 /16:1957 /17:409 /18:430
/19:547 /20:846 /21:820 /22:1358 /23:1487 /24:9658
/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 130 135 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
18632 34 65 VOLCANO-VISION, US
32440 34 49 LONI, US
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
37182 30 31 TERNET, TZ
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, 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 8:2 12:1 14:88 23:7
24:2 31:7 35:6 38:9 40:1 41:68
42:15 44:5 45:33 46:5 47:1 49:10
50:3 52:1 58:12 59:21 60:4 61:3
62:10 63:37 64:58 65:5 66:47 67:43
68:8 69:21 70:2 71:1 72:7 74:50
76:38 77:8 78:3 79:10 80:17 81:28
82:6 83:6 84:8 85:42 86:5 87:1
89:10 91:46 92:2 93:4 94:4 95:1
96:5 97:2 98:2 101:8 102:15 103:311
104:77 107:16 108:8 109:9 110:2 111:15
114:23 116:6 117:61 118:33 119:22 121:28
122:8 123:8 124:39 125:4 128:86 129:40
130:88 131:62 132:60 133:149 134:97 136:11
137:79 138:9 139:5 140:41 141:1 142:39
143:22 144:23 145:1 146:133 147:56 148:199
149:12 150:130 151:7 152:72 153:14 154:29
155:52 156:67 157:29 158:36 159:115 160:27
161:19 162:21 163:66 164:10 165:51 166:1
167:12 168:122 169:10 170:73 171:1 172:3
173:7 175:31 176:8 177:4 179:9 180:17
181:1 182:1 184:3 185:44 186:3 187:17
188:13 189:3 190:15 191:26 192:1421 193:343
194:146 195:89 196:158 197:5 198:491 199:251
200:192 201:35 202:631 203:425 204:339 205:126
206:192 207:163 208:69 209:118 210:183 211:18
212:166 213:5 216:85 217:10 218:22 219:12
220:15 222:6 223:9
End of report
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