[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Feb 21 18:01:07 UTC 2023
IPv4 R&E Routing Table Report 18:00 GMT Tue 21 Feb, 2023
IPv4 BGP Table (R&E) as seen at MARWAN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/MARWAN/
Analysis Summary
----------------
BGP routing table entries examined: 14295
Prefixes after maximum aggregation (per Origin AS): 8264
Deaggregation factor: 1.73
Unique aggregates announced (without unneeded subnets): 9216
Number of IPv4 prefixes with a valid ROA: 3508
Number of IPv4 prefixes with an invalid ROA: 92
Number of IPv4 prefixes with no ROA: 10695
Total ASes present in the Internet Routing Table: 2105
Prefixes per ASN: 6.79
Origin-only ASes present in the Internet Routing Table: 1825
Origin ASes announcing only one prefix: 835
Transit ASes present in the Internet Routing Table: 280
Transit-only ASes present in the Internet Routing Table: 45
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 15
Max AS path prepend of ASN ( 30116) 10
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 41226
Number of 32-bit ASNs visible in the Routing Table: 474
Prefixes from 32-bit ASNs in the Routing Table: 1317
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: 170183681
Equivalent to 10 /8s, 36 /16s and 204 /24s
Percentage of available address space announced: 4.6
Percentage of allocated address space announced: 4.6
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: 1976
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3435
Total APNIC prefixes after maximum aggregation: 1758
APNIC Deaggregation factor: 1.95
Prefixes being announced from the APNIC address blocks: 3436
Unique aggregates announced from the APNIC address blocks: 1939
APNIC Region origin ASes present in the Internet Routing Table: 425
APNIC Prefixes per ASN: 8.08
APNIC Region origin ASes announcing only one prefix: 193
APNIC Region transit ASes present in the Internet Routing Table: 45
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 170
Number of APNIC addresses announced to Internet: 38143040
Equivalent to 2 /8s, 70 /16s and 4 /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: 6140
Total ARIN prefixes after maximum aggregation: 3612
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 6155
Unique aggregates announced from the ARIN address blocks: 4094
ARIN Region origin ASes present in the Internet Routing Table: 950
ARIN Prefixes per ASN: 6.48
ARIN Region origin ASes announcing only one prefix: 329
ARIN Region transit ASes present in the Internet Routing Table: 114
Average ARIN Region AS path length visible: 6.0
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 136
Number of ARIN addresses announced to Internet: 74020608
Equivalent to 4 /8s, 105 /16s and 119 /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: 2911
Total RIPE prefixes after maximum aggregation: 2448
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 2901
Unique aggregates announced from the RIPE address blocks: 2529
RIPE Region origin ASes present in the Internet Routing Table: 566
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 262
RIPE Region transit ASes present in the Internet Routing Table: 83
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 125
Number of RIPE addresses announced to Internet: 55159680
Equivalent to 3 /8s, 73 /16s and 171 /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: 680
Total LACNIC prefixes after maximum aggregation: 353
LACNIC Deaggregation factor: 1.93
Prefixes being announced from the LACNIC address blocks: 676
Unique aggregates announced from the LACNIC address blocks: 508
LACNIC Region origin ASes present in the Internet Routing Table: 83
LACNIC Prefixes per ASN: 8.14
LACNIC Region origin ASes announcing only one prefix: 39
LACNIC Region transit ASes present in the Internet Routing Table: 19
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 10
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 29
Number of LACNIC addresses announced to Internet: 2014976
Equivalent to 0 /8s, 30 /16s and 191 /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: 1126
Total AfriNIC prefixes after maximum aggregation: 90
AfriNIC Deaggregation factor: 12.51
Prefixes being announced from the AfriNIC address blocks: 1124
Unique aggregates announced from the AfriNIC address blocks: 144
AfriNIC Region origin ASes present in the Internet Routing Table: 33
AfriNIC Prefixes per ASN: 34.06
AfriNIC Region origin ASes announcing only one prefix: 12
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 845120
Equivalent to 0 /8s, 12 /16s and 229 /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 590 2157 463 SINET-AS Research Organization of Infor
7497 432 180 21 CSTNET-AS-AP Computer Network Informati
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
55824 118 18 11 NKN-CORE-NW NKN Core Network, IN
4621 65 6 46 UNINET-AS-AP UNINET-, TH
2697 55 3 33 ERX-ERNET-AS Education and Research Net
45773 47 3 5 HECPERN-AS-PK PERN AS Content Servie Pr
9903 46 3 3 RIT-AS-AP Rajamangala Institute of Tech
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
5786 199 16 1 UPRENET, PR
376 198 178 147 RISQ-AS, CA
2152 151 507 91 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 112 7 19 OCDE, US
2920 109 34 7 LACOE, US
32440 94 18 16 LONI, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
559 115 550 106 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
200521 53 4 20 SEAP-AGE, ES
1653 50 151 47 SUNET SUNET Swedish University Network,
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 125 62 64 Rede Nacional de Ensino e Pesquisa, BR
11340 104 24 47 Red Universitaria Nacional, CL
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 56 101 36 Fundacao Carlos Chagas Filho de Amparo
263683 32 10 20 Universidad de Costa Rica, CR
28571 31 38 13 UNIVERSIDADE DE SAO PAULO, BR
3597 23 2 17 Fundacion InnovaT, AR
27790 18 2 2 Universidad Nacional de Cordoba, AR
52888 18 7 9 UNIVERSIDADE FEDERAL DE SAO CARLOS, BR
28609 16 1 1 Instituto Nupef, BR
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30983 605 4 4 MARWAN-AS, MA
36914 220 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 58 28 3 RENU, UG
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
37182 31 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37654 10 1 6 RwEdNet-AS, RW
328358 5 1 1 Makerere-AS, UG
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
30983 605 4 4 MARWAN-AS, MA
2907 590 2157 463 SINET-AS Research Organization of Infor
7497 432 180 21 CSTNET-AS-AP Computer Network Informati
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 220 82 3 KENET-AS, KE
5786 199 16 1 UPRENET, PR
376 198 178 147 RISQ-AS, CA
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
786 186 1775 183 JANET Jisc Services Limited, GB
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 432 411 CSTNET-AS-AP Computer Network Information Cente
36914 220 217 KENET-AS, KE
5786 199 198 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
18558 134 130 NETBLK-RCOEK, US
2907 590 127 SINET-AS Research Organization of Information a
4538 191 118 ERX-CERNET-BKB China Education and Research Net
55824 118 107 NKN-CORE-NW NKN Core Network, IN
2920 109 102 LACOE, US
23024 112 93 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.168.167.1/32 30983 MARWAN-AS, MA
Complete listing at https://bgp.nsrc.org/REN/MARWAN/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
192.168.167.1/32 Origin: 30983 MARWAN-AS, MA
192.168.167.1/32 Transit: 0 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:2 /11:0 /12:9
/13:17 /14:33 /15:102 /16:1658 /17:293 /18:308
/19:413 /20:588 /21:632 /22:1029 /23:1147 /24:7324
/25:52 /26:53 /27:87 /28:9 /29:56 /30:1
/31:1 /32:479
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 578 605 MARWAN-AS, MA
36914 207 220 KENET-AS, KE
32440 79 94 LONI, US
23024 52 112 OCDE, US
37182 30 31 TERNET, TZ
200521 30 53 SEAP-AGE, ES
25977 27 30 HCCS, US
327700 27 32 MoRENet, MZ
36794 24 26 SCOCA, US
1916 22 125 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:15 8:2 12:1 14:89 23:4
24:3 31:3 35:6 38:6 41:118 42:11
44:4 45:20 46:5 49:6 58:12 59:9
60:4 61:2 62:6 63:3 64:29 65:1
66:5 67:34 68:1 69:12 70:2 71:1
72:7 74:16 76:39 77:4 78:3 79:10
80:8 81:27 82:1 83:6 84:6 85:20
86:3 87:1 89:10 91:36 93:4 94:2
95:2 96:5 101:4 102:11 103:204 104:70
108:6 109:3 110:2 111:16 114:1 116:6
118:18 119:21 121:28 122:8 123:8 124:39
125:1 128:62 129:27 130:85 131:56 132:48
133:149 134:68 136:198 137:83 138:9 139:5
140:30 141:1 142:39 143:17 144:23 145:2
146:93 147:22 148:7 149:12 150:99 151:9
152:61 153:6 154:6 155:40 156:67 157:21
158:33 159:114 160:27 161:16 162:15 163:72
164:8 165:11 167:4 168:57 169:9 170:15
172:2 173:7 175:17 177:7 179:7 180:16
182:1 185:31 186:2 187:3 188:12 189:3
190:3 191:1 192:1216 193:307 194:94 195:78
196:45 197:142 198:356 199:200 200:178 201:21
202:450 203:259 204:301 205:107 206:148 207:122
208:59 209:105 210:89 211:2 212:43 213:2
216:53 217:10 219:11 220:5 222:3 223:9
End of report
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