[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Mar 30 18:00:39 UTC 2024
IPv4 R&E Routing Table Report 18:00 GMT Sat 30 Mar, 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: 17663
Prefixes after maximum aggregation (per Origin AS): 9715
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 10694
Number of IPv4 prefixes with a valid ROA: 5253
Number of IPv4 prefixes with an invalid ROA: 91
Number of IPv4 prefixes with no ROA: 12319
Total ASes present in the Internet Routing Table: 2640
Prefixes per ASN: 6.69
Origin-only ASes present in the Internet Routing Table: 2286
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: 68
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: 18
Max AS path prepend of ASN (328212) 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: 43980
Number of 32-bit ASNs visible in the Routing Table: 653
Prefixes from 32-bit ASNs in the Routing Table: 2000
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: 190167506
Equivalent to 11 /8s, 85 /16s and 185 /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: 2413
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4235
Total APNIC prefixes after maximum aggregation: 2016
APNIC Deaggregation factor: 2.10
Prefixes being announced from the APNIC address blocks: 4236
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: 55
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: 227
Number of APNIC addresses announced to Internet: 39259201
Equivalent to 2 /8s, 87 /16s and 12 /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: 7723
Total ARIN prefixes after maximum aggregation: 4416
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 7746
Unique aggregates announced from the ARIN address blocks: 4908
ARIN Region origin ASes present in the Internet Routing Table: 1215
ARIN Prefixes per ASN: 6.38
ARIN Region origin ASes announcing only one prefix: 423
ARIN Region transit ASes present in the Internet Routing Table: 152
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: 88713344
Equivalent to 5 /8s, 73 /16s and 168 /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: 3146
Total RIPE prefixes after maximum aggregation: 2637
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3135
Unique aggregates announced from the RIPE address blocks: 2681
RIPE Region origin ASes present in the Internet Routing Table: 592
RIPE Prefixes per ASN: 5.30
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: 57027984
Equivalent to 3 /8s, 102 /16s and 45 /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: 1319
Total LACNIC prefixes after maximum aggregation: 558
LACNIC Deaggregation factor: 2.36
Prefixes being announced from the LACNIC address blocks: 1317
Unique aggregates announced from the LACNIC address blocks: 752
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 8.08
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: 4277376
Equivalent to 0 /8s, 65 /16s and 68 /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: 1228
Total AfriNIC prefixes after maximum aggregation: 78
AfriNIC Deaggregation factor: 15.74
Prefixes being announced from the AfriNIC address blocks: 1226
Unique aggregates announced from the AfriNIC address blocks: 98
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 25.02
AfriNIC Region origin ASes announcing only one prefix: 29
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: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 31
Number of AfriNIC addresses announced to Internet: 889344
Equivalent to 0 /8s, 13 /16s and 146 /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 441 180 23 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 197 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 109 7 19 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 56 4 20 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 108 25 51 Red Universitaria Nacional, CL
1916 82 176 43 Rede Nacional de Ensino e Pesquisa, BR
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
4270 47 16 2 Red de Interconexion Universitaria, AR
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 688 4 5 MARWAN-AS, MA
36914 200 82 3 KENET-AS, KE
327687 163 28 3 RENU, UG
327700 48 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 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 688 4 5 MARWAN-AS, MA
2907 596 2162 465 SINET-AS Research Organization of Infor
7497 441 180 23 CSTNET-AS-AP Computer Network Informati
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
376 201 162 151 RISQ-AS, CA
36914 200 82 3 KENET-AS, KE
5786 197 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 441 418 CSTNET-AS-AP Computer Network Information Cente
36914 200 197 KENET-AS, KE
5786 197 196 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
327687 163 160 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
/19:517 /20:793 /21:764 /22:1349 /23:1374 /24:9163
/25:40 /26:41 /27:80 /28:11 /29:54 /30:1
/31:1 /32:565
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 661 688 MARWAN-AS, MA
36914 187 200 KENET-AS, KE
32440 87 119 LONI, US
23024 51 109 OCDE, US
327700 42 48 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
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 91:40 93:4 94:2 95:2 96:5
97:1 98:2 101:5 102:38 103:319 104:77
108:8 109:5 111:16 114:15 116:8 117:2
118:34 119:20 121:27 122:8 123:8 124:42
125:5 128:85 129:36 130:83 131:59 132:59
133:157 134:81 136:196 137:136 138:57 139:5
140:36 141:3 142:40 143:17 144:23 145:2
146:124 147:50 148:192 149:11 150:33 151:9
152:124 153:14 154:6 155:48 156:67 157:20
158:34 159:115 160:30 161:14 162:20 163:68
164:14 165:47 166:1 167:8 168:75 169:6
170:89 172:3 173:6 175:25 176:8 177:6
179:13 180:15 181:1 182:9 184:3 185:42
186:3 187:17 188:11 189:3 190:17 191:13
192:1415 193:254 194:121 195:69 196:83 197:116
198:436 199:240 200:206 201:37 202:630 203:312
204:347 205:126 206:177 207:142 208:72 209:110
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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