[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Dec 4 18:00:39 UTC 2023
IPv4 R&E Routing Table Report 18:00 GMT Mon 04 Dec, 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: 14802
Prefixes after maximum aggregation (per Origin AS): 8274
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 9142
Number of IPv4 prefixes with a valid ROA: 4781
Number of IPv4 prefixes with an invalid ROA: 92
Number of IPv4 prefixes with no ROA: 9929
Total ASes present in the Internet Routing Table: 2152
Prefixes per ASN: 6.88
Origin-only ASes present in the Internet Routing Table: 1866
Origin ASes announcing only one prefix: 860
Transit ASes present in the Internet Routing Table: 286
Transit-only ASes present in the Internet Routing Table: 49
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 17
Max AS path prepend of ASN ( 30116) 10
Prefixes from unregistered ASNs in the Routing Table: 10
Number of instances of unregistered ASNs: 10
Number of 32-bit ASNs allocated by the RIRs: 43172
Number of 32-bit ASNs visible in the Routing Table: 509
Prefixes from 32-bit ASNs in the Routing Table: 1518
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: 3
Number of addresses announced to Internet: 171517121
Equivalent to 10 /8s, 57 /16s and 36 /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: 2394
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3267
Total APNIC prefixes after maximum aggregation: 1723
APNIC Deaggregation factor: 1.90
Prefixes being announced from the APNIC address blocks: 3266
Unique aggregates announced from the APNIC address blocks: 1874
APNIC Region origin ASes present in the Internet Routing Table: 414
APNIC Prefixes per ASN: 7.89
APNIC Region origin ASes announcing only one prefix: 193
APNIC Region transit ASes present in the Internet Routing Table: 43
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 166
Number of APNIC addresses announced to Internet: 38104672
Equivalent to 2 /8s, 69 /16s and 110 /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: 6183
Total ARIN prefixes after maximum aggregation: 3653
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 6204
Unique aggregates announced from the ARIN address blocks: 4101
ARIN Region origin ASes present in the Internet Routing Table: 963
ARIN Prefixes per ASN: 6.44
ARIN Region origin ASes announcing only one prefix: 336
ARIN Region transit ASes present in the Internet Routing Table: 119
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: 142
Number of ARIN addresses announced to Internet: 74450944
Equivalent to 4 /8s, 112 /16s and 8 /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: 2909
Total RIPE prefixes after maximum aggregation: 2421
RIPE Deaggregation factor: 1.20
Prefixes being announced from the RIPE address blocks: 2899
Unique aggregates announced from the RIPE address blocks: 2514
RIPE Region origin ASes present in the Internet Routing Table: 572
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 259
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: 131
Number of RIPE addresses announced to Internet: 54977792
Equivalent to 3 /8s, 70 /16s and 229 /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: 856
Total LACNIC prefixes after maximum aggregation: 392
LACNIC Deaggregation factor: 2.18
Prefixes being announced from the LACNIC address blocks: 853
Unique aggregates announced from the LACNIC address blocks: 548
LACNIC Region origin ASes present in the Internet Routing Table: 104
LACNIC Prefixes per ASN: 8.20
LACNIC Region origin ASes announcing only one prefix: 47
LACNIC Region transit ASes present in the Internet Routing Table: 22
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: 43
Number of LACNIC addresses announced to Internet: 3061856
Equivalent to 0 /8s, 46 /16s and 184 /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: 1577
Total AfriNIC prefixes after maximum aggregation: 77
AfriNIC Deaggregation factor: 20.48
Prefixes being announced from the AfriNIC address blocks: 1576
Unique aggregates announced from the AfriNIC address blocks: 102
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 33.53
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 921344
Equivalent to 0 /8s, 14 /16s and 15 /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 598 2162 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
4538 179 4193 75 ERX-CERNET-BKB China Education and Rese
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
55824 126 19 17 NKN-CORE-NW NKN Core Network, IN
2697 57 4 34 ERX-ERNET-AS Education and Research Net
45773 48 3 5 HECPERN-AS-PK PERN AS Content Servie Pr
132524 47 9 12 TIFR-AS Tata Institute of Fundamental R
9270 33 5 6 APAN-KR-AS National Infomation Society
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
376 200 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2152 146 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
270 118 329 82 AS270, US
32440 111 34 18 LONI, US
23024 109 7 22 OCDE, US
2920 103 34 7 LACOE, US
21976 80 51 18 NJEDGE-NET, 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
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
559 113 533 105 SWITCH Peering requests: peering at switch
1103 95 1503 83 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 63 598 58 FR-RENATER Reseau National de telecommu
200521 56 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 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
11340 105 24 49 Red Universitaria Nacional, CL
271640 67 4 22 UNIVERSIDADE FEDERAL DE VICOSA, BR
1251 33 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
263683 32 10 20 Universidad de Costa Rica, CR
20191 27 2 23 Pontificia Universidad Catolica de Chil
28571 19 40 18 UNIVERSIDADE DE SAO PAULO, BR
27790 18 2 2 Universidad Nacional de Cordoba, AR
28609 17 1 2 Instituto Nupef, BR
52888 17 7 8 UNIVERSIDADE FEDERAL DE SAO CARLOS, 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 685 4 4 MARWAN-AS, MA
36914 526 82 3 KENET-AS, KE
327687 163 28 3 RENU, UG
327700 44 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37215 13 8 1 MAREN, MW
37074 11 7 7 UG-AS, GH
37654 11 1 6 RwEdNet-AS, RW
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 685 4 4 MARWAN-AS, MA
2907 598 2162 466 SINET-AS Research Organization of Infor
36914 526 82 3 KENET-AS, KE
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
376 200 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
786 185 1767 182 JANET Jisc Services Limited, GB
58647 180 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
36914 526 523 KENET-AS, KE
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
1916 250 207 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 163 160 RENU, UG
18558 141 137 NETBLK-RCOEK, US
2907 598 132 SINET-AS Research Organization of Information a
55824 126 109 NKN-CORE-NW NKN Core Network, IN
4538 179 104 ERX-CERNET-BKB China Education and Research Net
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
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
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 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
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
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 /14:34 /15:104 /16:1663 /17:311 /18:332
/19:456 /20:632 /21:616 /22:1051 /23:1143 /24:7603
/25:56 /26:63 /27:80 /28:10 /29:55 /30:1
/31:1 /32:561
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 658 685 MARWAN-AS, MA
36914 511 526 KENET-AS, KE
32440 80 111 LONI, US
23024 52 109 OCDE, US
1916 40 250 Rede Nacional de Ensino e Pesquisa, BR
327700 38 44 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
25977 27 30 HCCS, US
327687 25 163 RENU, UG
26898 24 32 LNOCA-ORG, 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 14:88 23:3
24:3 31:3 35:4 38:4 40:1 41:224
42:12 44:6 45:26 46:5 49:9 58:12
59:9 60:5 61:2 62:6 63:3 64:25
65:1 66:11 67:33 68:2 69:8 70:2
71:1 72:7 74:18 76:41 77:8 78:3
79:10 80:8 81:24 82:2 83:6 84:7
85:12 87:1 89:10 91:38 93:4 94:2
95:2 96:5 101:5 102:34 103:220 104:69
108:8 109:5 111:16 114:1 116:6 118:18
119:18 121:28 122:8 123:8 124:40 125:1
128:63 129:31 130:82 131:57 132:57 133:155
134:78 136:195 137:127 138:9 139:4 140:30
141:3 142:37 143:10 144:23 145:2 146:119
147:20 148:7 149:11 150:13 151:12 152:61
153:6 154:6 155:48 156:65 157:9 158:29
159:114 160:30 161:11 162:11 163:76 164:10
165:9 167:10 168:28 169:7 170:14 172:3
173:7 175:17 176:8 177:5 179:12 180:14
182:1 184:2 185:41 186:2 187:1 188:12
190:11 191:2 192:1221 193:260 194:88 195:60
196:83 197:329 198:371 199:212 200:275 201:18
202:363 203:185 204:320 205:107 206:150 207:131
208:56 209:103 210:92 211:1 212:42 213:2
216:54 217:9 219:5 220:2 222:3 223:14
End of report
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