[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RedCLARA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Mar 28 22:15:36 UTC 2023
IPv4 R&E Routing Table Report 22:15 GMT Tue 28 Mar, 2023
IPv4 BGP Table (R&E) as seen at RedCLARA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/RedCLARA/
Analysis Summary
----------------
BGP routing table entries examined: 18559
Prefixes after maximum aggregation (per Origin AS): 10437
Deaggregation factor: 1.78
Unique aggregates announced (without unneeded subnets): 11597
Number of IPv4 prefixes with a valid ROA: 4495
Number of IPv4 prefixes with an invalid ROA: 110
Number of IPv4 prefixes with no ROA: 13954
Total ASes present in the Internet Routing Table: 2748
Prefixes per ASN: 6.75
Origin-only ASes present in the Internet Routing Table: 2372
Origin ASes announcing only one prefix: 1052
Transit ASes present in the Internet Routing Table: 376
Transit-only ASes present in the Internet Routing Table: 64
Paths with bogon ASNs present in the IPv4 Routing Table: 82
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 86
Number of instances of unregistered ASNs: 86
Number of 32-bit ASNs allocated by the RIRs: 41534
Number of 32-bit ASNs visible in the Routing Table: 642
Prefixes from 32-bit ASNs in the Routing Table: 1801
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: 202004793
Equivalent to 12 /8s, 10 /16s and 89 /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: 2201
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4704
Total APNIC prefixes after maximum aggregation: 2299
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4705
Unique aggregates announced from the APNIC address blocks: 2620
APNIC Region origin ASes present in the Internet Routing Table: 574
APNIC Prefixes per ASN: 8.20
APNIC Region origin ASes announcing only one prefix: 245
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 223
Number of APNIC addresses announced to Internet: 45751520
Equivalent to 2 /8s, 186 /16s and 28 /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: 7780
Total ARIN prefixes after maximum aggregation: 4484
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 7797
Unique aggregates announced from the ARIN address blocks: 5005
ARIN Region origin ASes present in the Internet Routing Table: 1211
ARIN Prefixes per ASN: 6.44
ARIN Region origin ASes announcing only one prefix: 427
ARIN Region transit ASes present in the Internet Routing Table: 159
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 186
Number of ARIN addresses announced to Internet: 91703712
Equivalent to 5 /8s, 119 /16s and 73 /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: 3585
Total RIPE prefixes after maximum aggregation: 2835
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3573
Unique aggregates announced from the RIPE address blocks: 2888
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.23
RIPE Region origin ASes announcing only one prefix: 301
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: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 143
Number of RIPE addresses announced to Internet: 57930240
Equivalent to 3 /8s, 115 /16s and 242 /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: 1408
Total LACNIC prefixes after maximum aggregation: 575
LACNIC Deaggregation factor: 2.45
Prefixes being announced from the LACNIC address blocks: 1487
Unique aggregates announced from the LACNIC address blocks: 796
LACNIC Region origin ASes present in the Internet Routing Table: 159
LACNIC Prefixes per ASN: 9.35
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4013497
Equivalent to 0 /8s, 61 /16s and 61 /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: 996
Total AfriNIC prefixes after maximum aggregation: 202
AfriNIC Deaggregation factor: 4.93
Prefixes being announced from the AfriNIC address blocks: 995
Unique aggregates announced from the AfriNIC address blocks: 286
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 19.90
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2605056
Equivalent to 0 /8s, 39 /16s and 192 /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 605 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
1237 192 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 118 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 118 18 11 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
2152 153 507 92 CSUNET-NW, US
18558 139 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, US
2920 109 34 7 LACOE, US
32440 107 34 17 LONI, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 177 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 95 1518 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 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 64 599 59 FR-RENATER Reseau National de telecommu
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 180 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 46 Red Universitaria Nacional, CL
1251 59 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
61468 46 3 14 CEDIA, EC
4270 45 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 376 313 70 TENET-1, ZA
36914 248 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 62 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
3208 32 2 1 ARN, DZ
327700 31 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 605 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 376 313 70 TENET-1, ZA
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 248 82 3 KENET-AS, KE
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
1237 192 74 139 KREONET-AS-KR KISTI, KR
786 186 1775 183 JANET Jisc Services Limited, GB
1916 180 208 44 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 376 306 TENET-1, ZA
36914 248 245 KENET-AS, KE
5786 199 198 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 177 172 ISU Internet Services Unit ISU, SA
1916 180 136 Rede Nacional de Ensino e Pesquisa, BR
18558 139 135 NETBLK-RCOEK, US
65085 158 123 UNASSIGNED
55824 118 107 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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
65248 PRIVATE 134.171.169.0/24 11340 Red Universitaria Nacional,
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te
65085 PRIVATE 200.17.33.0/24 1916 Rede Nacional de Ensino e Pe
65085 PRIVATE 200.17.34.0/24 1916 Rede Nacional de Ensino e Pe
65085 PRIVATE 200.17.35.0/24 1916 Rede Nacional de Ensino e Pe
65085 PRIVATE 200.17.36.0/24 1916 Rede Nacional de Ensino e Pe
65085 PRIVATE 200.17.37.0/24 1916 Rede Nacional de Ensino e Pe
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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: 27750 Cooperacion Latino Americana de Redes Av
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/RedCLARA/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 /16:1966 /17:407 /18:430
/19:544 /20:838 /21:834 /22:1463 /23:1531 /24:10072
/25:91 /26:66 /27:94 /28:5 /29:14 /30:10
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 235 248 KENET-AS, KE
8895 172 177 ISU Internet Services Unit ISU, SA
32440 80 107 LONI, US
23024 52 113 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 SEAP-AGE, ES
25977 30 44 HCCS, US
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/RedCLARA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 12:1 14:89 23:8
24:3 31:7 35:6 38:9 40:1 41:107
42:10 44:5 45:38 46:5 47:1 49:6
50:1 52:1 58:1 59:20 60:4 61:3
62:11 63:33 64:53 65:1 66:33 67:42
68:8 69:19 70:2 71:1 72:7 74:50
76:42 77:9 78:3 79:10 80:17 81:28
82:7 83:6 84:8 85:42 86:5 87:1
89:10 91:47 92:2 93:4 94:4 95:2
96:5 97:1 98:2 101:6 102:15 103:297
104:81 108:7 109:10 110:2 111:16 114:23
116:6 117:61 118:32 119:21 121:28 122:8
123:8 124:39 125:4 128:85 129:41 130:87
131:59 132:49 133:159 134:97 136:199 137:91
138:9 139:6 140:38 141:1 142:39 143:29
144:23 145:2 146:133 147:54 148:192 149:12
150:130 151:9 152:144 153:14 154:31 155:54
156:66 157:29 158:36 159:115 160:27 161:20
162:20 163:74 164:10 165:51 166:1 167:16
168:124 169:10 170:63 171:1 172:3 173:7
175:31 176:8 177:9 179:10 180:15 181:1
182:1 184:3 185:48 186:3 187:19 188:13
189:3 190:18 191:36 192:1401 193:335 194:130
195:81 196:165 197:153 198:465 199:246 200:276
201:39 202:635 203:429 204:346 205:124 206:180
207:159 208:66 209:113 210:186 211:17 212:170
213:5 216:86 217:10 218:22 219:6 220:16
222:5 223:4
End of report
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