[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Apr 2 18:00:41 UTC 2024
IPv4 R&E Routing Table Report 18:00 GMT Tue 02 Apr, 2024
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: 17649
Prefixes after maximum aggregation (per Origin AS): 9713
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 10676
Number of IPv4 prefixes with a valid ROA: 5259
Number of IPv4 prefixes with an invalid ROA: 92
Number of IPv4 prefixes with no ROA: 12298
Total ASes present in the Internet Routing Table: 2639
Prefixes per ASN: 6.69
Origin-only ASes present in the Internet Routing Table: 2285
Origin ASes announcing only one prefix: 1023
Transit ASes present in the Internet Routing Table: 354
Transit-only ASes present in the Internet Routing Table: 66
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 17
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 12
Number of instances of unregistered ASNs: 12
Number of 32-bit ASNs allocated by the RIRs: 43989
Number of 32-bit ASNs visible in the Routing Table: 651
Prefixes from 32-bit ASNs in the Routing Table: 1993
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: 190150354
Equivalent to 11 /8s, 85 /16s and 118 /24s
Percentage of available address space announced: 5.1
Percentage of allocated address space announced: 5.1
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: 2414
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4234
Total APNIC prefixes after maximum aggregation: 2017
APNIC Deaggregation factor: 2.10
Prefixes being announced from the APNIC address blocks: 4235
Unique aggregates announced from the APNIC address blocks: 2253
APNIC Region origin ASes present in the Internet Routing Table: 550
APNIC Prefixes per ASN: 7.70
APNIC Region origin ASes announcing only one prefix: 242
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 226
Number of APNIC addresses announced to Internet: 39259457
Equivalent to 2 /8s, 87 /16s and 13 /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: 7715
Total ARIN prefixes after maximum aggregation: 4420
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 7738
Unique aggregates announced from the ARIN address blocks: 4898
ARIN Region origin ASes present in the Internet Routing Table: 1218
ARIN Prefixes per ASN: 6.35
ARIN Region origin ASes announcing only one prefix: 425
ARIN Region transit ASes present in the Internet Routing Table: 154
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 196
Number of ARIN addresses announced to Internet: 88711040
Equivalent to 5 /8s, 73 /16s and 159 /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: 3142
Total RIPE prefixes after maximum aggregation: 2633
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3131
Unique aggregates announced from the RIPE address blocks: 2678
RIPE Region origin ASes present in the Internet Routing Table: 592
RIPE Prefixes per ASN: 5.29
RIPE Region origin ASes announcing only one prefix: 271
RIPE Region transit ASes present in the Internet Routing Table: 91
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 132
Number of RIPE addresses announced to Internet: 57026704
Equivalent to 3 /8s, 102 /16s and 40 /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: 1315
Total LACNIC prefixes after maximum aggregation: 556
LACNIC Deaggregation factor: 2.37
Prefixes being announced from the LACNIC address blocks: 1313
Unique aggregates announced from the LACNIC address blocks: 748
LACNIC Region origin ASes present in the Internet Routing Table: 162
LACNIC Prefixes per ASN: 8.10
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4272512
Equivalent to 0 /8s, 65 /16s and 49 /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: 1231
Total AfriNIC prefixes after maximum aggregation: 77
AfriNIC Deaggregation factor: 15.99
Prefixes being announced from the AfriNIC address blocks: 1229
Unique aggregates announced from the AfriNIC address blocks: 97
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 25.60
AfriNIC Region origin ASes announcing only one prefix: 27
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 2.4
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 880384
Equivalent to 0 /8s, 13 /16s and 111 /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 596 2162 465 SINET-AS Research Organization of Infor
7497 442 180 24 CSTNET-AS-AP Computer Network Informati
4538 183 4193 75 ERX-CERNET-BKB China Education and Rese
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Re
55824 130 19 19 NKN-CORE-NW NKN Core Network, IN
4762 71 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
2697 58 4 34 ERX-ERNET-AS Education and Research Net
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
376 201 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2152 145 507 94 CSUNET-NW, US
18558 140 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
32440 119 35 18 LONI, US
270 117 328 81 AS270, US
23024 108 7 22 OCDE, US
2920 102 34 7 LACOE, US
1736 79 16 1 MU-AS, 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
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
2200 63 598 58 FR-RENATER Reseau National de telecommu
200521 54 4 18 SEAP-AGE, ES
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
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 106 24 50 Red Universitaria Nacional, CL
1916 82 176 43 Rede Nacional de Ensino e Pesquisa, BR
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 48 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 36 4 3 Universidad Autonoma Metropolitana, MX
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 687 4 5 MARWAN-AS, MA
36914 206 82 3 KENET-AS, KE
327687 162 28 3 RENU, UG
327700 45 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 12 8 2 UG-AS, GH
37654 11 1 6 RwEdNet-AS, RW
37215 9 8 1 MAREN, MW
37661 7 16 6 NRaE1-AS, NG
37182 6 8 1 TERNET, TZ
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 687 4 5 MARWAN-AS, MA
2907 596 2162 465 SINET-AS Research Organization of Infor
7497 442 180 24 CSTNET-AS-AP Computer Network Informati
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
36914 206 82 3 KENET-AS, KE
376 201 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
786 186 1767 183 JANET Jisc Services Limited, GB
4538 183 4193 75 ERX-CERNET-BKB China Education and Rese
58647 182 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 442 418 CSTNET-AS-AP Computer Network Information Cente
36914 206 203 KENET-AS, KE
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
327687 162 159 RENU, UG
18558 140 136 NETBLK-RCOEK, US
2907 596 131 SINET-AS Research Organization of Information a
55824 130 111 NKN-CORE-NW NKN Core Network, IN
4538 183 108 ERX-CERNET-BKB China Education and Research Net
32440 119 101 LONI, 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
65000 PRIVATE 102.216.118.0/24 30983 MARWAN-AS, MA
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, 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 RESERVED, ZZ
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 /10:1 /11:0 /12:9
/13:17 /14:34 /15:115 /16:1922 /17:385 /18:425
/19:516 /20:791 /21:766 /22:1346 /23:1374 /24:9155
/25:40 /26:40 /27:79 /28:11 /29:56 /30:1
/31:1 /32:563
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 660 687 MARWAN-AS, MA
36914 193 206 KENET-AS, KE
32440 87 119 LONI, US
23024 51 108 OCDE, US
327700 39 45 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 54 SEAP-AGE, ES
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
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 14:90 23:5
24:3 31:1 35:6 38:8 40:1 41:123
42:16 44:5 45:37 46:5 47:1 49:9
50:1 52:1 58:10 59:20 60:6 61:3
62:6 63:32 64:44 65:1 66:45 67:41
68:10 69:17 70:2 71:1 72:7 74:51
76:41 77:8 78:3 79:10 80:9 81:25
82:3 83:6 84:7 85:24 86:3 87:1
89:10 91:39 93:4 94:2 95:2 96:5
97:1 98:2 101:5 102:39 103:316 104:76
108:8 109:5 111:16 114:15 116:8 117:2
118:34 119:20 121:28 122:8 123:8 124:42
125:5 128:85 129:37 130:83 131:61 132:59
133:157 134:81 136:197 137:136 138:57 139:5
140:36 141:3 142:26 143:17 144:23 145:2
146:122 147:50 148:192 149:12 150:33 151:9
152:124 153:14 154:6 155:48 156:69 157:20
158:34 159:115 160:30 161:14 162:20 163:69
164:14 165:47 166:1 167:8 168:76 169:6
170:90 172:3 173:6 175:25 176:8 177:6
179:13 180:15 181:1 182:9 184:4 185:42
186:3 187:17 188:11 189:3 190:17 191:13
192:1416 193:254 194:121 195:69 196:82 197:119
198:436 199:240 200:204 201:37 202:631 203:312
204:345 205:126 206:177 207:142 208:72 209:110
210:112 211:14 212:42 213:2 216:82 217:10
218:20 219:5 220:8 222:2 223:14
End of report
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