[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Nov 30 18:00:42 UTC 2024
IPv4 R&E Routing Table Report 18:00 GMT Sat 30 Nov, 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: 18020
Prefixes after maximum aggregation (per Origin AS): 9645
Deaggregation factor: 1.87
Unique aggregates announced (without unneeded subnets): 10584
Number of IPv4 prefixes with a valid ROA: 6947
Number of IPv4 prefixes with an invalid ROA: 95
Number of IPv4 prefixes with no ROA: 10978
Total ASes present in the Internet Routing Table: 2607
Prefixes per ASN: 6.91
Origin-only ASes present in the Internet Routing Table: 2257
Origin ASes announcing only one prefix: 1021
Transit ASes present in the Internet Routing Table: 350
Transit-only ASes present in the Internet Routing Table: 62
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: 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: 45928
Number of 32-bit ASNs visible in the Routing Table: 639
Prefixes from 32-bit ASNs in the Routing Table: 1766
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: 5
Number of addresses announced to Internet: 188320274
Equivalent to 11 /8s, 57 /16s and 138 /24s
Percentage of available address space announced: 5.1
Percentage of allocated address space announced: 5.1
Percentage of available address space allocated: 100.1
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 2759
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4042
Total APNIC prefixes after maximum aggregation: 1888
APNIC Deaggregation factor: 2.14
Prefixes being announced from the APNIC address blocks: 4041
Unique aggregates announced from the APNIC address blocks: 2141
APNIC Region origin ASes present in the Internet Routing Table: 519
APNIC Prefixes per ASN: 7.79
APNIC Region origin ASes announcing only one prefix: 232
APNIC Region transit ASes present in the Internet Routing Table: 53
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: 203
Number of APNIC addresses announced to Internet: 38296129
Equivalent to 2 /8s, 72 /16s and 90 /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: 7895
Total ARIN prefixes after maximum aggregation: 4509
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 7910
Unique aggregates announced from the ARIN address blocks: 4970
ARIN Region origin ASes present in the Internet Routing Table: 1235
ARIN Prefixes per ASN: 6.40
ARIN Region origin ASes announcing only one prefix: 432
ARIN Region transit ASes present in the Internet Routing Table: 149
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 205
Number of ARIN addresses announced to Internet: 87084032
Equivalent to 5 /8s, 48 /16s and 204 /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: 3151
Total RIPE prefixes after maximum aggregation: 2634
RIPE Deaggregation factor: 1.20
Prefixes being announced from the RIPE address blocks: 3139
Unique aggregates announced from the RIPE address blocks: 2659
RIPE Region origin ASes present in the Internet Routing Table: 585
RIPE Prefixes per ASN: 5.37
RIPE Region origin ASes announcing only one prefix: 270
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: 137
Number of RIPE addresses announced to Internet: 57989008
Equivalent to 3 /8s, 116 /16s and 215 /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: 1534
Total LACNIC prefixes after maximum aggregation: 541
LACNIC Deaggregation factor: 2.84
Prefixes being announced from the LACNIC address blocks: 1531
Unique aggregates announced from the LACNIC address blocks: 721
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 9.81
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.6
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4197440
Equivalent to 0 /8s, 64 /16s and 12 /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: 1396
Total AfriNIC prefixes after maximum aggregation: 71
AfriNIC Deaggregation factor: 19.66
Prefixes being announced from the AfriNIC address blocks: 1393
Unique aggregates announced from the AfriNIC address blocks: 88
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 29.02
AfriNIC Region origin ASes announcing only one prefix: 32
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: 30
Number of AfriNIC addresses announced to Internet: 750848
Equivalent to 0 /8s, 11 /16s and 117 /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 603 2202 464 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
58647 181 18 2 KAGAWAU-AS Kagawa University, JP
7575 169 313 113 AARNET-AS-AP Australian Academic and Rese
4538 140 4192 71 ERX-CERNET-BKB China Education and Resear
55824 132 18 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 68 37 10 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
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
2152 152 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
23024 95 7 21 OCDE, US
21976 91 50 17 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
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
786 186 1767 183 JANET Jisc Services Limited, GB
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 96 1743 83 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 54 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
1916 301 178 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 5 17 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
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 689 4 5 MARWAN-AS, MA
36914 550 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 14 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37654 6 0 5 RwEdNet-AS, RW
327947 5 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 689 4 5 MARWAN-AS, MA
2907 603 2202 464 SINET-AS Research Organization of Informa
36914 550 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1916 301 178 43 Rede Nacional de Ensino e Pesquisa, BR
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
786 186 1767 183 JANET Jisc Services Limited, GB
58647 181 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 550 547 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
1916 301 258 Rede Nacional de Ensino e Pesquisa, BR
5786 198 197 UPRENET, PR
58647 181 179 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
2907 603 139 SINET-AS Research Organization of Information a
18558 140 136 NETBLK-RCOEK, US
55824 132 114 NKN-CORE-NW NKN Core Network, IN
81 134 101 NCREN, 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
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
202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
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 /12:10
/13:16 /14:34 /15:112 /16:1892 /17:384 /18:429
/19:537 /20:788 /21:773 /22:1267 /23:1344 /24:9593
/25:55 /26:74 /27:51 /28:15 /29:67 /30:6
/31:1 /32:569
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 663 689 MARWAN-AS, MA
36914 526 550 KENET-AS, KE
1916 75 301 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
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 12:2 14:93 23:6
24:3 31:1 35:3 37:8 38:11 41:225
42:11 44:4 45:43 46:4 47:1 49:10
50:2 52:1 59:19 60:5 61:3 62:5
63:32 64:44 65:5 66:42 67:40 68:12
69:19 70:2 71:1 72:7 74:53 76:41
77:7 78:3 79:10 80:7 81:24 82:3
83:6 84:7 85:25 86:3 87:1 89:11
91:37 93:13 94:2 95:2 96:5 97:1
98:2 101:1 102:13 103:290 104:77 108:8
109:3 111:21 113:1 114:15 116:9 117:2
118:33 119:24 121:27 122:8 123:8 124:42
125:5 128:55 129:36 130:95 131:63 132:65
133:154 134:78 136:198 137:51 138:58 139:5
140:34 141:3 142:53 143:19 144:25 145:2
146:126 147:54 148:195 149:12 150:33 151:9
152:130 153:14 154:15 155:48 156:138 157:27
158:28 159:118 160:31 161:16 162:22 163:58
164:11 165:47 166:1 167:10 168:74 169:7
170:88 172:2 173:7 175:11 177:6 179:13
180:16 181:1 182:11 184:6 185:40 186:3
187:21 188:11 189:2 190:18 191:13 192:1354
193:257 194:111 195:69 196:26 197:337 198:427
199:246 200:342 201:37 202:621 203:336 204:367
205:132 206:208 207:220 208:65 209:104 210:119
211:2 212:41 213:4 216:90 217:9 218:20
219:6 220:8 222:1 223:15
End of report
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