[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Feb 3 18:00:31 UTC 2022
IPv4 R&E Routing Table Report 18:00 GMT Thu 03 Feb, 2022
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: 15580
Prefixes after maximum aggregation (per Origin AS): 9077
Deaggregation factor: 1.72
Unique aggregates announced (without unneeded subnets): 9907
Number of IPv4 prefixes with a valid ROA: 3332
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 12248
Total ASes present in the Internet Routing Table: 2329
Prefixes per ASN: 6.69
Origin-only ASes present in the Internet Routing Table: 2031
Origin ASes announcing only one prefix: 952
Transit ASes present in the Internet Routing Table: 298
Transit-only ASes present in the Internet Routing Table: 29
Average AS path length visible in the Internet Routing Table: 5.5
Max AS path length visible: 15
Max AS path prepend of ASN ( 5474) 11
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 38476
Number of 32-bit ASNs visible in the Routing Table: 521
Prefixes from 32-bit ASNs in the Routing Table: 1483
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 186721553
Equivalent to 11 /8s, 33 /16s and 37 /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: 99.5
Total number of prefixes smaller than registry allocations: 2028
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3669
Total APNIC prefixes after maximum aggregation: 1954
APNIC Deaggregation factor: 1.88
Prefixes being announced from the APNIC address blocks: 3670
Unique aggregates announced from the APNIC address blocks: 2132
APNIC Region origin ASes present in the Internet Routing Table: 427
APNIC Prefixes per ASN: 8.59
APNIC Region origin ASes announcing only one prefix: 185
APNIC Region transit ASes present in the Internet Routing Table: 45
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 161
Number of APNIC addresses announced to Internet: 44258112
Equivalent to 2 /8s, 163 /16s and 83 /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, 131072-151865
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: 6398
Total ARIN prefixes after maximum aggregation: 3820
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 6409
Unique aggregates announced from the ARIN address blocks: 4258
ARIN Region origin ASes present in the Internet Routing Table: 1016
ARIN Prefixes per ASN: 6.31
ARIN Region origin ASes announcing only one prefix: 366
ARIN Region transit ASes present in the Internet Routing Table: 119
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: 137
Number of ARIN addresses announced to Internet: 79968576
Equivalent to 4 /8s, 196 /16s and 57 /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: 3241
Total RIPE prefixes after maximum aggregation: 2588
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3233
Unique aggregates announced from the RIPE address blocks: 2646
RIPE Region origin ASes present in the Internet Routing Table: 649
RIPE Prefixes per ASN: 4.98
RIPE Region origin ASes announcing only one prefix: 313
RIPE Region transit ASes present in the Internet Routing Table: 96
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 133
Number of RIPE addresses announced to Internet: 55980224
Equivalent to 3 /8s, 86 /16s and 48 /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
196608-213403
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: 1175
Total LACNIC prefixes after maximum aggregation: 479
LACNIC Deaggregation factor: 2.45
Prefixes being announced from the LACNIC address blocks: 1173
Unique aggregates announced from the LACNIC address blocks: 578
LACNIC Region origin ASes present in the Internet Routing Table: 159
LACNIC Prefixes per ASN: 7.38
LACNIC Region origin ASes announcing only one prefix: 69
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 3849440
Equivalent to 0 /8s, 58 /16s and 188 /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: 1094
Total AfriNIC prefixes after maximum aggregation: 233
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 1092
Unique aggregates announced from the AfriNIC address blocks: 291
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 23.74
AfriNIC Region origin ASes announcing only one prefix: 19
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2664944
Equivalent to 0 /8s, 40 /16s and 169 /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 577 2157 458 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 186 74 135 KREONET-AS-KR KISTI, KR
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
4538 176 4192 72 ERX-CERNET-BKB China Education and Rese
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
55824 129 19 22 NKN-CORE-NW NKN Core Network, IN
2697 53 3 32 ERX-ERNET-AS Education and Research Net
1659 51 1434 33 ERX-TANET-ASN1 Taiwan Academic Network
132524 49 9 11 TIFR-AS Tata Institute of Fundamental R
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
376 200 178 150 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 144 507 86 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 111 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3477 74 71 43 NOAA-NWAVE, US
22742 69 53 34 CT-EDU-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
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 183 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 58 32 55 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 167 49 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 200 207 42 Rede Nacional de Ensino e Pesquisa, BR
11340 95 24 55 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28571 36 26 15 UNIVERSIDADE DE SAO PAULO, BR
20191 31 16 1 Pontificia Universidad Catolica de Chil
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
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
2018 349 319 74 TENET-1, ZA
30983 300 2 85 MARWAN-AS, MA
36914 206 82 3 KENET-AS, KE
8094 50 48 4 PUKNET, ZA
327687 37 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
37074 10 7 7 UG-AS, GH
36982 8 33 8 UCT, ZA
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
2907 577 2157 458 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 349 319 74 TENET-1, ZA
30983 300 2 85 MARWAN-AS, MA
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
36914 206 82 3 KENET-AS, KE
376 200 178 150 RISQ-AS, CA
1916 200 207 42 Rede Nacional de Ensino e Pesquisa, BR
5786 200 16 1 UPRENET, PR
786 186 1774 183 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
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 349 275 TENET-1, ZA
30983 300 215 MARWAN-AS, MA
36914 206 203 KENET-AS, KE
5786 200 199 UPRENET, PR
8895 183 179 ISU Internet Services Unit ISU, SA
58647 177 175 KAGAWAU-AS Kagawa University, JP
1916 200 158 Rede Nacional de Ensino e Pesquisa, BR
18558 136 132 NETBLK-RCOEK, US
55824 129 107 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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
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
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL
192.168.167.1/32 Origin: 30983 MARWAN-AS, MA
192.168.167.1/32 Transit: 0 UNALLOCATED
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 /11:1 /12:10
/13:18 /14:34 /15:108 /16:1802 /17:339 /18:349
/19:493 /20:712 /21:783 /22:1221 /23:1307 /24:7937
/25:78 /26:58 /27:68 /28:1 /29:52 /30:0
/31:0 /32:205
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 276 300 MARWAN-AS, MA
36914 193 206 KENET-AS, KE
8895 178 183 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
327700 30 34 MoRENet, MZ
25977 29 43 HCCS, US
32440 29 44 LONI, US
200521 29 49 SEAP-AGE, ES
1916 26 200 Rede Nacional de Ensino e Pesquisa, BR
31638 21 21 ASN-LEPIDA, IT
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:1 12:1 14:85 23:3
24:2 31:1 37:6 38:6 40:1 41:119
42:10 44:4 45:35 46:6 49:10 58:7
59:8 60:4 61:2 62:6 63:3 64:26
66:13 67:40 68:1 69:18 71:1 72:10
74:18 76:33 77:7 78:3 79:10 80:15
81:27 82:2 83:6 84:3 85:31 86:7
87:1 88:1 89:10 91:46 92:1 93:18
94:2 95:5 96:5 101:4 102:12 103:208
104:8 106:1 108:8 109:10 110:3 111:16
114:6 116:5 118:17 119:22 121:26 122:7
123:8 124:39 125:1 128:63 129:34 130:90
131:83 132:53 133:139 134:89 136:191 137:77
138:8 139:4 140:34 141:2 142:41 143:31
144:25 145:2 146:125 147:28 148:7 149:13
150:36 151:6 152:71 153:6 154:25 155:51
156:67 157:26 158:39 159:115 160:25 161:17
162:16 163:60 164:42 165:17 166:2 167:13
168:101 169:10 170:46 172:2 173:2 175:19
176:8 177:12 178:1 179:8 180:16 182:1
184:4 185:37 186:3 187:2 188:13 189:5
190:42 191:16 192:1272 193:177 194:109 195:33
196:165 197:116 198:402 199:214 200:233 201:24
202:347 203:281 204:305 205:147 206:155 207:142
208:49 209:99 210:173 211:1 212:173 213:5
216:56 217:15 218:2 219:11 220:4 222:5
223:3
End of report
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