[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Aug 27 18:00:39 UTC 2023
IPv4 R&E Routing Table Report 18:00 GMT Sun 27 Aug, 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: 13651
Prefixes after maximum aggregation (per Origin AS): 7923
Deaggregation factor: 1.72
Unique aggregates announced (without unneeded subnets): 8753
Number of IPv4 prefixes with a valid ROA: 4121
Number of IPv4 prefixes with an invalid ROA: 89
Number of IPv4 prefixes with no ROA: 9441
Total ASes present in the Internet Routing Table: 2074
Prefixes per ASN: 6.58
Origin-only ASes present in the Internet Routing Table: 1788
Origin ASes announcing only one prefix: 821
Transit ASes present in the Internet Routing Table: 286
Transit-only ASes present in the Internet Routing Table: 48
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 17
Max AS path prepend of ASN ( 30116) 10
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 42515
Number of 32-bit ASNs visible in the Routing Table: 494
Prefixes from 32-bit ASNs in the Routing Table: 1451
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: 166399585
Equivalent to 9 /8s, 235 /16s and 14 /24s
Percentage of available address space announced: 4.5
Percentage of allocated address space announced: 4.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 2069
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 2839
Total APNIC prefixes after maximum aggregation: 1695
APNIC Deaggregation factor: 1.67
Prefixes being announced from the APNIC address blocks: 2839
Unique aggregates announced from the APNIC address blocks: 1857
APNIC Region origin ASes present in the Internet Routing Table: 403
APNIC Prefixes per ASN: 7.04
APNIC Region origin ASes announcing only one prefix: 182
APNIC Region transit ASes present in the Internet Routing Table: 41
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 160
Number of APNIC addresses announced to Internet: 37295968
Equivalent to 2 /8s, 57 /16s and 23 /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: 5713
Total ARIN prefixes after maximum aggregation: 3340
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 5720
Unique aggregates announced from the ARIN address blocks: 3726
ARIN Region origin ASes present in the Internet Routing Table: 901
ARIN Prefixes per ASN: 6.35
ARIN Region origin ASes announcing only one prefix: 314
ARIN Region transit ASes present in the Internet Routing Table: 122
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: 133
Number of ARIN addresses announced to Internet: 70355296
Equivalent to 4 /8s, 49 /16s and 137 /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: 2893
Total RIPE prefixes after maximum aggregation: 2426
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 2885
Unique aggregates announced from the RIPE address blocks: 2512
RIPE Region origin ASes present in the Internet Routing Table: 559
RIPE Prefixes per ASN: 5.16
RIPE Region origin ASes announcing only one prefix: 252
RIPE Region transit ASes present in the Internet Routing Table: 85
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: 54931072
Equivalent to 3 /8s, 70 /16s and 46 /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: 937
Total LACNIC prefixes after maximum aggregation: 383
LACNIC Deaggregation factor: 2.45
Prefixes being announced from the LACNIC address blocks: 937
Unique aggregates announced from the LACNIC address blocks: 554
LACNIC Region origin ASes present in the Internet Routing Table: 115
LACNIC Prefixes per ASN: 8.15
LACNIC Region origin ASes announcing only one prefix: 49
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 50
Number of LACNIC addresses announced to Internet: 2899424
Equivalent to 0 /8s, 44 /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: 1267
Total AfriNIC prefixes after maximum aggregation: 77
AfriNIC Deaggregation factor: 16.45
Prefixes being announced from the AfriNIC address blocks: 1266
Unique aggregates announced from the AfriNIC address blocks: 101
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 27.52
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 3.0
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 917312
Equivalent to 0 /8s, 13 /16s and 255 /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 594 2146 464 SINET-AS Research Organization of Infor
4538 185 4193 74 ERX-CERNET-BKB China Education and Rese
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
55824 124 18 17 NKN-CORE-NW NKN Core Network, IN
2697 56 4 33 ERX-ERNET-AS Education and Research Net
45773 48 3 5 HECPERN-AS-PK PERN AS Content Servie Pr
132524 46 9 11 TIFR-AS Tata Institute of Fundamental R
9270 33 5 6 APAN-KR-AS National Infomation Society
24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeas
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 197 16 1 UPRENET, PR
2152 148 507 92 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 118 329 82 AS270, US
23024 112 7 19 OCDE, US
2920 109 34 7 LACOE, US
32440 104 34 18 LONI, US
376 94 8 64 RISQ-AS, CA
21976 82 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 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 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 55 4 21 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 258 160 42 Rede Nacional de Ensino e Pesquisa, BR
11340 104 24 48 Red Universitaria Nacional, CL
2715 48 37 31 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
271640 34 2 7 UNIVERSIDADE FEDERAL DE VICOSA, BR
263683 33 10 21 Universidad de Costa Rica, CR
1251 31 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
20191 28 16 1 Pontificia Universidad Catolica de Chil
3597 20 2 14 Fundacion InnovaT, AR
27790 18 2 2 Universidad Nacional de Cordoba, AR
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 652 4 4 MARWAN-AS, MA
36914 259 82 3 KENET-AS, KE
327687 166 28 3 RENU, UG
327700 41 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 11 7 7 UG-AS, GH
37654 10 1 6 RwEdNet-AS, RW
37215 7 8 1 MAREN, MW
31960 5 1 1 EMUNET, MZ
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 652 4 4 MARWAN-AS, MA
2907 594 2146 464 SINET-AS Research Organization of Infor
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
36914 259 82 3 KENET-AS, KE
1916 258 160 42 Rede Nacional de Ensino e Pesquisa, BR
5786 197 16 1 UPRENET, PR
786 185 1767 182 JANET Jisc Services Limited, GB
4538 185 4193 74 ERX-CERNET-BKB China Education and Rese
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
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 259 256 KENET-AS, KE
1916 258 216 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
327687 166 163 RENU, UG
18558 136 132 NETBLK-RCOEK, US
2907 594 130 SINET-AS Research Organization of Information a
4538 185 111 ERX-CERNET-BKB China Education and Research Net
55824 124 107 NKN-CORE-NW NKN Core Network, IN
2920 109 102 LACOE, 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 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 /14:33 /15:100 /16:1596 /17:309 /18:300
/19:418 /20:612 /21:593 /22:968 /23:1008 /24:6883
/25:54 /26:67 /27:85 /28:9 /29:53 /30:1
/31:1 /32:531
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 625 652 MARWAN-AS, MA
36914 247 259 KENET-AS, KE
32440 77 104 LONI, US
23024 52 112 OCDE, US
1916 39 258 Rede Nacional de Ensino e Pesquisa, BR
327700 36 41 MoRENet, MZ
200521 32 55 SEAP-AGE, ES
25977 27 41 HCCS, US
327687 25 166 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 35:2 38:4 40:1 41:121
42:8 44:5 45:30 46:5 49:9 52:1
58:12 59:9 61:2 62:6 63:4 64:25
65:1 66:7 67:33 68:1 69:10 70:2
72:7 74:10 76:37 77:8 78:3 79:10
80:8 81:25 82:2 83:6 84:7 85:24
87:1 89:10 91:36 93:4 94:2 95:2
96:5 101:1 102:37 103:216 104:71 108:6
109:3 110:1 111:16 114:1 116:6 118:18
119:1 121:28 122:8 123:8 124:2 128:67
129:30 130:83 131:47 132:49 133:152 134:71
136:195 137:124 138:10 139:4 140:25 141:1
142:18 143:13 144:23 145:2 146:118 147:20
148:7 149:12 150:12 151:12 152:112 153:6
154:6 155:44 156:67 157:6 158:30 159:18
160:28 161:21 162:13 163:76 164:8 165:7
167:10 168:55 169:7 170:17 172:3 173:6
175:17 177:4 179:12 180:14 181:1 182:1
184:3 185:35 186:2 187:1 188:12 189:3
190:19 191:2 192:1173 193:258 194:90 195:60
196:81 197:164 198:365 199:194 200:250 201:21
202:353 203:188 204:274 205:70 206:127 207:121
208:53 209:99 210:20 211:1 212:41 213:2
216:50 217:9 219:10 220:2 222:2
End of report
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