[REN-BGP-stats-all] Global R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Dec 15 18:00:30 UTC 2021
Global R&E Routing Table Report 18:00 GMT Wed 15 Dec, 2021
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: 14345
Prefixes after maximum aggregation (per Origin AS): 8405
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 9288
Total ASes present in the Internet Routing Table: 2181
Prefixes per ASN: 6.58
Origin-only ASes present in the Internet Routing Table: 1880
Origin ASes announcing only one prefix: 892
Transit ASes present in the Internet Routing Table: 301
Transit-only ASes present in the Internet Routing Table: 34
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 16
Max AS path prepend of ASN (211089) 11
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: 38084
Number of 32-bit ASNs visible in the Routing Table: 499
Prefixes from 32-bit ASNs in the Routing Table: 1333
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: 1
Number of addresses announced to Internet: 171251648
Equivalent to 10 /8s, 53 /16s and 23 /24s
Percentage of available address space announced: 4.6
Percentage of allocated address space announced: 4.6
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: 1579
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3881
Total APNIC prefixes after maximum aggregation: 2031
APNIC Deaggregation factor: 1.91
Prefixes being announced from the APNIC address blocks: 3883
Unique aggregates announced from the APNIC address blocks: 2253
APNIC Region origin ASes present in the Internet Routing Table: 457
APNIC Prefixes per ASN: 8.50
APNIC Region origin ASes announcing only one prefix: 192
APNIC Region transit ASes present in the Internet Routing Table: 50
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 176
Number of APNIC addresses announced to Internet: 38912064
Equivalent to 2 /8s, 81 /16s and 192 /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: 5433
Total ARIN prefixes after maximum aggregation: 3246
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 5442
Unique aggregates announced from the ARIN address blocks: 3653
ARIN Region origin ASes present in the Internet Routing Table: 870
ARIN Prefixes per ASN: 6.26
ARIN Region origin ASes announcing only one prefix: 315
ARIN Region transit ASes present in the Internet Routing Table: 115
Average ARIN Region AS path length visible: 6.0
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 117
Number of ARIN addresses announced to Internet: 70927104
Equivalent to 4 /8s, 58 /16s and 67 /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: 3147
Total RIPE prefixes after maximum aggregation: 2527
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3139
Unique aggregates announced from the RIPE address blocks: 2623
RIPE Region origin ASes present in the Internet Routing Table: 626
RIPE Prefixes per ASN: 5.01
RIPE Region origin ASes announcing only one prefix: 305
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 125
Number of RIPE addresses announced to Internet: 55657440
Equivalent to 3 /8s, 81 /16s and 67 /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: 1058
Total LACNIC prefixes after maximum aggregation: 439
LACNIC Deaggregation factor: 2.41
Prefixes being announced from the LACNIC address blocks: 1056
Unique aggregates announced from the LACNIC address blocks: 531
LACNIC Region origin ASes present in the Internet Routing Table: 144
LACNIC Prefixes per ASN: 7.33
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 21
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: 58
Number of LACNIC addresses announced to Internet: 3120288
Equivalent to 0 /8s, 47 /16s and 156 /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: 824
Total AfriNIC prefixes after maximum aggregation: 160
AfriNIC Deaggregation factor: 5.15
Prefixes being announced from the AfriNIC address blocks: 823
Unique aggregates announced from the AfriNIC address blocks: 227
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 17.15
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 23
Number of AfriNIC addresses announced to Internet: 2634496
Equivalent to 0 /8s, 40 /16s and 51 /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 623 2156 457 SINET-AS Research Organization of Infor
7497 425 177 19 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
4538 177 4192 72 ERX-CERNET-BKB China Education and Rese
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 330 122 AARNET-AS-AP Australian Academic and Re
55824 127 19 22 NKN-CORE-NW NKN Core Network, IN
2697 54 3 32 ERX-ERNET-AS Education and Research Net
9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR
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 84 CSUNET-NW, US
18558 135 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
22742 68 53 34 CT-EDU-NET, US
3477 65 71 38 NOAA-NWAVE, 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
680 280 1950 246 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 177 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 59 33 57 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
1653 53 167 50 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 181 178 35 Rede Nacional de Ensino e Pesquisa, BR
11340 94 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 49 53 31 Fundacao Carlos Chagas Filho de Amparo
4270 43 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
28571 32 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 353 319 72 TENET-1, ZA
36914 202 82 3 KENET-AS, KE
8094 50 48 4 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
327687 37 28 3 RENU, UG
6879 24 2 9 ENSTINET-, EG
37182 11 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 623 2156 457 SINET-AS Research Organization of Infor
7497 425 177 19 CSTNET-AS-AP Computer Network Informati
2018 353 319 72 TENET-1, ZA
680 280 1950 246 DFN Verein zur Foerderung eines Deutsch
36914 202 82 3 KENET-AS, KE
376 200 178 150 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
1237 188 74 135 KREONET-AS-KR KISTI, KR
786 186 1774 183 JANET Jisc Services Limited, GB
1916 181 178 35 Rede Nacional de Ensino e Pesquisa, BR
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 425 406 CSTNET-AS-AP Computer Network Information Cente
2018 353 281 TENET-1, ZA
36914 202 199 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
8895 177 173 ISU Internet Services Unit ISU, SA
1916 181 146 Rede Nacional de Ensino e Pesquisa, BR
18558 135 131 NETBLK-RCOEK, US
4538 177 105 ERX-CERNET-BKB China Education and Research Net
55824 127 105 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
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-badAS
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
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 /11:0 /12:9
/13:16 /14:33 /15:103 /16:1660 /17:296 /18:300
/19:451 /20:667 /21:726 /22:1123 /23:1191 /24:7583
/25:73 /26:60 /27:50 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 188 202 KENET-AS, KE
8895 172 177 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
327700 36 41 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 29 32 HCCS, US
200521 29 48 SEAP-AGE, ES
1916 27 181 Rede Nacional de Ensino e Pesquisa, BR
30220 25 25 SWTELCOOP, US
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 8:2 12:1 14:83 23:2
24:3 31:1 37:6 38:3 41:121 42:9
44:4 45:31 46:6 49:10 58:7 59:10
60:4 61:2 62:6 63:5 64:13 66:24
67:34 68:1 69:16 71:1 72:10 74:16
76:4 77:7 78:3 79:10 80:12 81:26
82:2 83:7 84:3 85:26 86:7 87:1
88:1 89:10 91:45 93:18 94:2 95:6
96:5 101:4 102:11 103:237 104:6 106:1
108:4 109:9 110:3 111:16 112:4 114:17
116:5 117:2 118:17 119:21 121:27 122:8
123:8 124:39 125:1 128:67 129:30 130:84
131:73 132:51 133:139 134:88 136:191 137:45
138:8 139:4 140:34 141:2 142:22 143:31
144:25 145:2 146:123 147:23 148:7 149:13
150:19 151:2 152:63 153:6 154:26 155:46
156:67 157:25 158:39 159:116 160:25 161:15
162:15 163:61 164:41 165:53 166:1 167:16
168:99 169:8 170:44 172:2 173:2 175:20
176:8 177:5 178:1 179:8 180:21 182:6
184:2 185:35 186:3 187:17 188:13 189:3
190:43 192:1182 193:185 194:108 195:58 196:150
197:113 198:332 199:182 200:217 201:38 202:372
203:282 204:283 205:96 206:144 207:131 208:43
209:92 210:179 211:2 212:173 213:3 216:50
217:13 218:5 219:13 220:9 222:5 223:2
End of report
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