[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jul 19 18:00:38 UTC 2024
IPv4 R&E Routing Table Report 18:00 GMT Fri 19 Jul, 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: 17899
Prefixes after maximum aggregation (per Origin AS): 9721
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 10651
Number of IPv4 prefixes with a valid ROA: 5426
Number of IPv4 prefixes with an invalid ROA: 93
Number of IPv4 prefixes with no ROA: 12380
Total ASes present in the Internet Routing Table: 2606
Prefixes per ASN: 6.87
Origin-only ASes present in the Internet Routing Table: 2260
Origin ASes announcing only one prefix: 1015
Transit ASes present in the Internet Routing Table: 346
Transit-only ASes present in the Internet Routing Table: 64
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 18
Max AS path prepend of ASN (395156) 12
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: 45013
Number of 32-bit ASNs visible in the Routing Table: 617
Prefixes from 32-bit ASNs in the Routing Table: 1717
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: 6
Number of addresses announced to Internet: 189140658
Equivalent to 11 /8s, 70 /16s and 14 /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: 2641
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4215
Total APNIC prefixes after maximum aggregation: 1984
APNIC Deaggregation factor: 2.12
Prefixes being announced from the APNIC address blocks: 4213
Unique aggregates announced from the APNIC address blocks: 2227
APNIC Region origin ASes present in the Internet Routing Table: 528
APNIC Prefixes per ASN: 7.98
APNIC Region origin ASes announcing only one prefix: 236
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 205
Number of APNIC addresses announced to Internet: 38882625
Equivalent to 2 /8s, 81 /16s and 77 /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: 7885
Total ARIN prefixes after maximum aggregation: 4486
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 7898
Unique aggregates announced from the ARIN address blocks: 4940
ARIN Region origin ASes present in the Internet Routing Table: 1222
ARIN Prefixes per ASN: 6.46
ARIN Region origin ASes announcing only one prefix: 426
ARIN Region transit ASes present in the Internet Routing Table: 150
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: 197
Number of ARIN addresses announced to Internet: 88295872
Equivalent to 5 /8s, 67 /16s and 73 /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, 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: 3156
Total RIPE prefixes after maximum aggregation: 2655
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3145
Unique aggregates announced from the RIPE address blocks: 2692
RIPE Region origin ASes present in the Internet Routing Table: 598
RIPE Prefixes per ASN: 5.26
RIPE Region origin ASes announcing only one prefix: 276
RIPE Region transit ASes present in the Internet Routing Table: 93
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 136
Number of RIPE addresses announced to Internet: 57055632
Equivalent to 3 /8s, 102 /16s and 153 /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: 1365
Total LACNIC prefixes after maximum aggregation: 545
LACNIC Deaggregation factor: 2.50
Prefixes being announced from the LACNIC address blocks: 1363
Unique aggregates announced from the LACNIC address blocks: 723
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.21
LACNIC Region origin ASes announcing only one prefix: 63
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4271392
Equivalent to 0 /8s, 65 /16s and 45 /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: 1276
Total AfriNIC prefixes after maximum aggregation: 49
AfriNIC Deaggregation factor: 26.04
Prefixes being announced from the AfriNIC address blocks: 1273
Unique aggregates announced from the AfriNIC address blocks: 64
AfriNIC Region origin ASes present in the Internet Routing Table: 26
AfriNIC Prefixes per ASN: 48.96
AfriNIC Region origin ASes announcing only one prefix: 14
AfriNIC Region transit ASes present in the Internet Routing Table: 7
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: 11
Number of AfriNIC addresses announced to Internet: 624640
Equivalent to 0 /8s, 9 /16s and 136 /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 601 2162 465 SINET-AS Research Organization of Informa
7497 443 180 24 CSTNET-AS-AP Computer Network Information
4538 192 4193 75 ERX-CERNET-BKB China Education and Resear
58647 183 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 132 19 20 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
2697 58 4 34 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
376 202 162 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2920 176 34 7 LACOE, US
270 162 345 88 AS270, US
2152 151 507 96 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
32440 116 35 18 LONI, US
23024 96 7 21 OCDE, US
21976 87 50 17 NJEDGE-NET, 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
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
786 184 1767 181 JANET Jisc Services Limited, GB
559 113 533 103 SWITCH Peering requests: peering at switch.c
1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 91 26 71 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 63 598 58 FR-RENATER Reseau National de telecommuni
200521 55 4 21 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 158 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
61468 45 5 15 CEDIA, EC
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 687 4 5 MARWAN-AS, MA
36914 454 82 3 KENET-AS, KE
327700 46 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37182 11 8 1 TERNET, TZ
37215 7 8 1 MAREN, MW
37654 6 1 6 RwEdNet-AS, RW
31960 5 1 1 EMUNET, MZ
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 687 4 5 MARWAN-AS, MA
2907 601 2162 465 SINET-AS Research Organization of Informa
36914 454 82 3 KENET-AS, KE
7497 443 180 24 CSTNET-AS-AP Computer Network Information
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
376 202 162 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
4538 192 4193 75 ERX-CERNET-BKB China Education and Resear
786 184 1767 181 JANET Jisc Services Limited, GB
58647 183 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 454 451 KENET-AS, KE
7497 443 419 CSTNET-AS-AP Computer Network Information Cente
5786 199 198 UPRENET, PR
58647 183 181 KAGAWAU-AS Kagawa University, JP
2920 176 169 LACOE, US
2907 601 136 SINET-AS Research Organization of Information a
18558 140 136 NETBLK-RCOEK, US
4538 192 117 ERX-CERNET-BKB China Education and Research Net
1916 158 115 Rede Nacional de Ensino e Pesquisa, BR
55824 132 112 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
192.31.196.0/24 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
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
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 /15:112 /16:1917 /17:383 /18:428
/19:520 /20:805 /21:771 /22:1261 /23:1345 /24:9465
/25:44 /26:48 /27:83 /28:12 /29:66 /30:7
/31:1 /32:568
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 660 687 MARWAN-AS, MA
36914 444 454 KENET-AS, KE
32440 82 116 LONI, US
327700 40 46 MoRENet, MZ
23024 38 96 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 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 12:1 14:91 23:4
24:3 31:1 35:3 38:10 40:1 41:174
42:17 44:5 45:44 46:5 47:1 49:10
50:3 52:1 58:17 59:20 60:6 61:3
62:5 63:33 64:44 65:1 66:35 67:41
68:10 69:19 70:2 71:1 72:7 74:51
76:41 77:7 78:3 79:10 80:9 81:24
82:2 83:6 84:6 85:25 86:3 87:1
89:11 91:42 93:5 94:2 95:2 96:5
97:1 98:2 101:4 102:7 103:284 104:77
108:8 109:6 111:16 113:2 114:15 116:8
117:2 118:34 119:23 121:28 122:8 123:8
124:42 125:5 128:84 129:36 130:93 131:61
132:53 133:158 134:78 136:198 137:52 138:57
139:5 140:36 141:3 142:24 143:18 144:23
145:2 146:125 147:55 148:193 149:11 150:33
151:9 152:126 153:15 154:13 155:48 156:139
157:21 158:34 159:121 160:30 161:16 162:22
163:55 164:14 165:48 166:1 167:14 168:75
169:6 170:89 172:3 173:7 175:29 176:8
177:6 179:14 180:16 181:1 182:9 184:6
185:42 186:3 187:18 188:11 189:3 190:18
191:13 192:1415 193:251 194:117 195:68 196:30
197:320 198:415 199:245 200:258 201:38 202:643
203:337 204:360 205:128 206:192 207:200 208:67
209:102 210:118 211:14 212:40 213:4 216:73
217:9 218:20 219:5 220:8 222:2 223:14
End of report
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