[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Dec 11 18:00:40 UTC 2024
IPv4 R&E Routing Table Report 18:00 GMT Wed 11 Dec, 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: 18309
Prefixes after maximum aggregation (per Origin AS): 9681
Deaggregation factor: 1.89
Unique aggregates announced (without unneeded subnets): 10549
Number of IPv4 prefixes with a valid ROA: 6889
Number of IPv4 prefixes with an invalid ROA: 96
Number of IPv4 prefixes with no ROA: 11324
Total ASes present in the Internet Routing Table: 2600
Prefixes per ASN: 7.04
Origin-only ASes present in the Internet Routing Table: 2250
Origin ASes announcing only one prefix: 1020
Transit ASes present in the Internet Routing Table: 350
Transit-only ASes present in the Internet Routing Table: 61
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 30
Max AS path prepend of ASN (138136) 20
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: 45969
Number of 32-bit ASNs visible in the Routing Table: 634
Prefixes from 32-bit ASNs in the Routing Table: 1768
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: 4
Number of addresses announced to Internet: 186736530
Equivalent to 11 /8s, 33 /16s and 95 /24s
Percentage of available address space announced: 5.0
Percentage of allocated address space announced: 5.0
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: 2756
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4032
Total APNIC prefixes after maximum aggregation: 1879
APNIC Deaggregation factor: 2.15
Prefixes being announced from the APNIC address blocks: 4032
Unique aggregates announced from the APNIC address blocks: 2127
APNIC Region origin ASes present in the Internet Routing Table: 513
APNIC Prefixes per ASN: 7.86
APNIC Region origin ASes announcing only one prefix: 229
APNIC Region transit ASes present in the Internet Routing Table: 54
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 200
Number of APNIC addresses announced to Internet: 38280289
Equivalent to 2 /8s, 72 /16s and 28 /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: 8319
Total ARIN prefixes after maximum aggregation: 4558
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 8333
Unique aggregates announced from the ARIN address blocks: 4966
ARIN Region origin ASes present in the Internet Routing Table: 1234
ARIN Prefixes per ASN: 6.75
ARIN Region origin ASes announcing only one prefix: 435
ARIN Region transit ASes present in the Internet Routing Table: 149
Average ARIN Region AS path length visible: 5.5
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 204
Number of ARIN addresses announced to Internet: 86770016
Equivalent to 5 /8s, 44 /16s and 1 /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, 393216-402332
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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 3144
Total RIPE prefixes after maximum aggregation: 2639
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3133
Unique aggregates announced from the RIPE address blocks: 2655
RIPE Region origin ASes present in the Internet Routing Table: 589
RIPE Prefixes per ASN: 5.32
RIPE Region origin ASes announcing only one prefix: 271
RIPE Region transit ASes present in the Internet Routing Table: 96
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 138
Number of RIPE addresses announced to Internet: 56930704
Equivalent to 3 /8s, 100 /16s and 177 /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,
53/8, 57/8, 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: 1426
Total LACNIC prefixes after maximum aggregation: 533
LACNIC Deaggregation factor: 2.68
Prefixes being announced from the LACNIC address blocks: 1423
Unique aggregates announced from the LACNIC address blocks: 710
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 9.24
LACNIC Region origin ASes announcing only one prefix: 54
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: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4002624
Equivalent to 0 /8s, 61 /16s and 19 /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: 1386
Total AfriNIC prefixes after maximum aggregation: 70
AfriNIC Deaggregation factor: 19.80
Prefixes being announced from the AfriNIC address blocks: 1383
Unique aggregates announced from the AfriNIC address blocks: 87
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 29.43
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 750336
Equivalent to 0 /8s, 11 /16s and 115 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 602 2200 463 SINET-AS Research Organization of Informa
7497 445 180 24 CSTNET-AS-AP Computer Network Information
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 313 114 AARNET-AS-AP Australian Academic and Rese
55824 146 19 20 NKN-CORE-NW NKN Core Network, IN
4538 139 4192 70 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 61 35 9 UNINET-AS-AP UNINET-, TH
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Sunw
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
2152 497 507 99 CENIC-2152, US
2920 226 44 49 LACOE, US
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
23024 95 7 21 OCDE, US
21976 89 50 15 NJEDGE-NET, US
237 82 541 48 MERIT-AS-14, 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 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 95 1487 82 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
2200 64 598 59 FR-RENATER Reseau National de telecommuni
200521 53 4 25 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
1916 218 178 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 52 5 17 CEDIA, EC
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo a
4270 46 16 1 Red de Interconexion Universitaria, AR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
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 5 MARWAN-AS, MA
36914 545 82 3 KENET-AS, KE
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
327700 13 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37654 6 0 5 RwEdNet-AS, RW
327947 6 4 1 KNUST-, GH
328903 4 0 1 RITER, CI
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 5 MARWAN-AS, MA
2907 602 2200 463 SINET-AS Research Organization of Informa
36914 545 82 3 KENET-AS, KE
2152 497 507 99 CENIC-2152, US
7497 445 180 24 CSTNET-AS-AP Computer Network Information
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
2920 226 44 49 LACOE, US
1916 218 178 43 Rede Nacional de Ensino e Pesquisa, BR
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
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 545 542 KENET-AS, KE
7497 445 421 CSTNET-AS-AP Computer Network Information Cente
2152 497 398 CENIC-2152, US
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 226 177 LACOE, US
1916 218 175 Rede Nacional de Ensino e Pesquisa, BR
2907 602 139 SINET-AS Research Organization of Information a
18558 141 136 NETBLK-RCOEK, US
55824 146 126 NKN-CORE-NW NKN Core Network, IN
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
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, 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
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
192.168.167.1/32 Origin: 30983 MARWAN-AS, MA
192.168.167.1/32 Transit: 0 UNALLOCATED
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24 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 /10:1 /11:0 /12:9
/13:16 /14:34 /15:112 /16:1886 /17:380 /18:430
/19:539 /20:792 /21:780 /22:1296 /23:1415 /24:9806
/25:43 /26:65 /27:49 /28:16 /29:68 /30:6
/31:1 /32:563
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 659 685 MARWAN-AS, MA
36914 521 545 KENET-AS, KE
2152 61 497 CENIC-2152, US
1916 60 218 Rede Nacional de Ensino e Pesquisa, BR
23024 37 95 OCDE, US
32440 37 63 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
200521 30 53 SEAP-AGE, ES
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 14:93 23:6
24:2 31:1 35:3 37:8 38:10 41:221
42:11 44:4 45:44 46:4 47:1 49:10
50:2 52:1 59:19 60:5 61:3 62:5
63:32 64:44 65:5 66:34 67:40 68:12
69:19 70:2 71:1 72:7 74:51 76:41
77:7 78:3 79:10 80:7 81:24 82:3
83:6 84:7 85:25 87:1 89:11 91:37
93:13 94:2 95:2 96:5 97:1 98:2
101:1 102:12 103:291 104:78 108:8 109:3
111:21 113:1 114:15 116:9 117:2 118:32
119:23 121:27 122:8 123:8 124:41 125:5
128:55 129:37 130:96 131:65 132:51 133:155
134:78 136:198 137:93 138:58 139:5 140:34
141:3 142:53 143:19 144:25 145:2 146:125
147:54 148:195 149:12 150:33 151:9 152:127
153:14 154:15 155:48 156:136 157:24 158:28
159:118 160:31 161:17 162:22 163:58 164:11
165:47 166:1 167:26 168:74 169:7 170:88
172:2 173:7 175:11 177:6 179:13 180:16
181:1 182:11 184:6 185:38 186:3 187:22
188:12 189:3 190:18 191:13 192:1351 193:257
194:110 195:71 196:27 197:335 198:505 199:246
200:282 201:36 202:621 203:335 204:389 205:167
206:208 207:299 208:62 209:152 210:119 211:2
212:40 213:4 216:90 217:9 218:20 219:6
220:7 222:1 223:15
End of report
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