[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Aug 29 18:00:39 UTC 2024
IPv4 R&E Routing Table Report 18:00 GMT Thu 29 Aug, 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: 18127
Prefixes after maximum aggregation (per Origin AS): 9796
Deaggregation factor: 1.85
Unique aggregates announced (without unneeded subnets): 10759
Number of IPv4 prefixes with a valid ROA: 5669
Number of IPv4 prefixes with an invalid ROA: 94
Number of IPv4 prefixes with no ROA: 12364
Total ASes present in the Internet Routing Table: 2645
Prefixes per ASN: 6.85
Origin-only ASes present in the Internet Routing Table: 2293
Origin ASes announcing only one prefix: 1039
Transit ASes present in the Internet Routing Table: 352
Transit-only ASes present in the Internet Routing Table: 63
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: 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: 45266
Number of 32-bit ASNs visible in the Routing Table: 662
Prefixes from 32-bit ASNs in the Routing Table: 1847
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: 8
Number of addresses announced to Internet: 191329618
Equivalent to 11 /8s, 103 /16s and 117 /24s
Percentage of available address space announced: 5.2
Percentage of allocated address space announced: 5.2
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: 2683
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4241
Total APNIC prefixes after maximum aggregation: 2007
APNIC Deaggregation factor: 2.11
Prefixes being announced from the APNIC address blocks: 4237
Unique aggregates announced from the APNIC address blocks: 2255
APNIC Region origin ASes present in the Internet Routing Table: 543
APNIC Prefixes per ASN: 7.80
APNIC Region origin ASes announcing only one prefix: 238
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 224
Number of APNIC addresses announced to Internet: 39001921
Equivalent to 2 /8s, 83 /16s and 31 /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: 7951
Total ARIN prefixes after maximum aggregation: 4560
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 7964
Unique aggregates announced from the ARIN address blocks: 5044
ARIN Region origin ASes present in the Internet Routing Table: 1234
ARIN Prefixes per ASN: 6.45
ARIN Region origin ASes announcing only one prefix: 434
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: 200
Number of ARIN addresses announced to Internet: 88306272
Equivalent to 5 /8s, 67 /16s and 114 /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: 3117
Total RIPE prefixes after maximum aggregation: 2604
RIPE Deaggregation factor: 1.20
Prefixes being announced from the RIPE address blocks: 3106
Unique aggregates announced from the RIPE address blocks: 2634
RIPE Region origin ASes present in the Internet Routing Table: 588
RIPE Prefixes per ASN: 5.28
RIPE Region origin ASes announcing only one prefix: 272
RIPE Region transit ASes present in the Internet Routing Table: 94
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: 59021200
Equivalent to 3 /8s, 132 /16s and 151 /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: 1433
Total LACNIC prefixes after maximum aggregation: 550
LACNIC Deaggregation factor: 2.61
Prefixes being announced from the LACNIC address blocks: 1431
Unique aggregates announced from the LACNIC address blocks: 731
LACNIC Region origin ASes present in the Internet Routing Table: 167
LACNIC Prefixes per ASN: 8.57
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 70
Number of LACNIC addresses announced to Internet: 4270624
Equivalent to 0 /8s, 65 /16s and 42 /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: 1383
Total AfriNIC prefixes after maximum aggregation: 73
AfriNIC Deaggregation factor: 18.95
Prefixes being announced from the AfriNIC address blocks: 1380
Unique aggregates announced from the AfriNIC address blocks: 88
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 28.75
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 31
Number of AfriNIC addresses announced to Internet: 718592
Equivalent to 0 /8s, 10 /16s and 247 /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 2169 465 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
4538 192 4193 75 ERX-CERNET-BKB China Education and Resear
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 132 18 19 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 66 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
376 199 162 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
270 162 345 88 AS270, US
2152 150 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
23024 95 7 21 OCDE, US
21976 87 50 17 NJEDGE-NET, US
237 85 541 50 MERIT-AS-14, 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 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 97 2015 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 90 26 70 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 199 176 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 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 50 5 17 CEDIA, EC
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
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 654 4 5 MARWAN-AS, MA
36914 524 82 3 KENET-AS, KE
327700 47 16 1 MoRENet, MZ
37182 37 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
37661 13 8 5 NRaE1-AS, NG
37215 11 8 1 MAREN, MW
37654 6 1 6 RwEdNet-AS, RW
327947 4 4 1 KNUST-, GH
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 654 4 5 MARWAN-AS, MA
2907 598 2169 465 SINET-AS Research Organization of Informa
36914 524 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
680 283 1899 250 DFN Verein zur Foerderung eines Deutschen
376 199 162 149 RISQ-AS, CA
1916 199 176 43 Rede Nacional de Ensino e Pesquisa, BR
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
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 524 521 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
5786 199 198 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
1916 199 156 Rede Nacional de Ensino e Pesquisa, BR
18558 140 136 NETBLK-RCOEK, US
2907 598 133 SINET-AS Research Organization of Information a
4538 192 117 ERX-CERNET-BKB China Education and Research Net
55824 132 113 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
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
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 /11:1 /12:9
/13:17 /14:34 /15:112 /16:1919 /17:383 /18:429
/19:542 /20:800 /21:773 /22:1286 /23:1357 /24:9702
/25:37 /26:52 /27:49 /28:14 /29:65 /30:6
/31:1 /32:536
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 627 654 MARWAN-AS, MA
36914 501 524 KENET-AS, KE
327700 41 47 MoRENet, MZ
1916 39 199 Rede Nacional de Ensino e Pesquisa, BR
23024 38 95 OCDE, US
32440 36 63 LONI, US
37182 36 37 TERNET, TZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 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 14:92 23:5
24:3 31:1 35:3 37:8 38:10 40:1
41:261 42:17 44:5 45:46 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 66:36
67:42 68:12 69:18 70:2 71:1 72:7
74:52 76:41 77:7 78:3 79:10 80:8
81:23 82:2 83:5 84:6 85:13 86:3
87:1 89:11 91:37 93:13 94:2 95:2
96:5 97:1 98:2 101:4 102:13 103:317
104:78 108:8 109:2 111:16 113:2 114:15
116:9 117:2 118:34 119:23 121:28 122:8
123:8 124:42 125:5 128:84 129:36 130:95
131:61 132:67 133:154 134:78 136:199 137:51
138:57 139:6 140:34 141:3 142:25 143:17
144:23 145:2 146:124 147:54 148:193 149:13
150:33 151:9 152:126 153:15 154:13 155:48
156:138 157:15 158:34 159:121 160:30 161:16
162:22 163:57 164:14 165:47 166:1 167:14
168:74 169:7 170:88 172:2 173:6 175:17
177:5 179:14 180:16 181:1 182:9 184:7
185:41 186:3 187:21 188:11 189:3 190:18
191:13 192:1419 193:252 194:113 195:68 196:30
197:319 198:440 199:247 200:293 201:39 202:637
203:337 204:370 205:128 206:206 207:223 208:66
209:102 210:123 211:14 212:40 213:4 216:89
217:9 218:20 219:5 220:8 222:2 223:15
End of report
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