[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Jan 14 20:00:40 UTC 2023
IPv4 R&E Routing Table Report 20:00 GMT Sat 14 Jan, 2023
IPv4 BGP Table (R&E) as seen at SingAREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/SingAREN/
Analysis Summary
----------------
BGP routing table entries examined: 8534
Prefixes after maximum aggregation (per Origin AS): 5608
Deaggregation factor: 1.52
Unique aggregates announced (without unneeded subnets): 6201
Number of IPv4 prefixes with a valid ROA: 2958
Number of IPv4 prefixes with an invalid ROA: 11
Number of IPv4 prefixes with no ROA: 5565
Total ASes present in the Internet Routing Table: 1643
Prefixes per ASN: 5.19
Origin-only ASes present in the Internet Routing Table: 1375
Origin ASes announcing only one prefix: 705
Transit ASes present in the Internet Routing Table: 268
Transit-only ASes present in the Internet Routing Table: 84
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 15
Max AS path prepend of ASN ( 20537) 9
Prefixes from unregistered ASNs in the Routing Table: 0
Number of instances of unregistered ASNs: 0
Number of 32-bit ASNs allocated by the RIRs: 41047
Number of 32-bit ASNs visible in the Routing Table: 404
Prefixes from 32-bit ASNs in the Routing Table: 999
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1
Number of addresses announced to Internet: 95081472
Equivalent to 5 /8s, 170 /16s and 212 /24s
Percentage of available address space announced: 2.6
Percentage of allocated address space announced: 2.6
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: 1222
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 2022
Total APNIC prefixes after maximum aggregation: 1266
APNIC Deaggregation factor: 1.60
Prefixes being announced from the APNIC address blocks: 2023
Unique aggregates announced from the APNIC address blocks: 1468
APNIC Region origin ASes present in the Internet Routing Table: 314
APNIC Prefixes per ASN: 6.44
APNIC Region origin ASes announcing only one prefix: 153
APNIC Region transit ASes present in the Internet Routing Table: 22
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 138
Number of APNIC addresses announced to Internet: 18690816
Equivalent to 1 /8s, 29 /16s and 51 /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: 1912
Total ARIN prefixes after maximum aggregation: 1187
ARIN Deaggregation factor: 1.61
Prefixes being announced from the ARIN address blocks: 1919
Unique aggregates announced from the ARIN address blocks: 1451
ARIN Region origin ASes present in the Internet Routing Table: 471
ARIN Prefixes per ASN: 4.07
ARIN Region origin ASes announcing only one prefix: 211
ARIN Region transit ASes present in the Internet Routing Table: 105
Average ARIN Region AS path length visible: 5.5
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 84
Number of ARIN addresses announced to Internet: 14869760
Equivalent to 0 /8s, 226 /16s and 229 /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: 3391
Total RIPE prefixes after maximum aggregation: 2836
RIPE Deaggregation factor: 1.20
Prefixes being announced from the RIPE address blocks: 3383
Unique aggregates announced from the RIPE address blocks: 2860
RIPE Region origin ASes present in the Internet Routing Table: 664
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 292
RIPE Region transit ASes present in the Internet Routing Table: 97
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 137
Number of RIPE addresses announced to Internet: 57760768
Equivalent to 3 /8s, 113 /16s and 92 /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: 289
Total LACNIC prefixes after maximum aggregation: 147
LACNIC Deaggregation factor: 1.97
Prefixes being announced from the LACNIC address blocks: 288
Unique aggregates announced from the LACNIC address blocks: 194
LACNIC Region origin ASes present in the Internet Routing Table: 58
LACNIC Prefixes per ASN: 4.97
LACNIC Region origin ASes announcing only one prefix: 25
LACNIC Region transit ASes present in the Internet Routing Table: 21
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 18
Number of LACNIC addresses announced to Internet: 1086720
Equivalent to 0 /8s, 16 /16s and 149 /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: 920
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 5.35
Prefixes being announced from the AfriNIC address blocks: 920
Unique aggregates announced from the AfriNIC address blocks: 227
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 17.69
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2673152
Equivalent to 0 /8s, 40 /16s and 202 /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 574 2140 459 SINET-AS Research Organization of Infor
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 170 329 118 AARNET-AS-AP Australian Academic and Re
55824 113 18 12 NKN-CORE-NW NKN Core Network, IN
2697 51 3 32 ERX-ERNET-AS Education and Research Net
132524 43 9 10 TIFR-AS Tata Institute of Fundamental R
23767 30 3 10 A-STAR-AS-AP A-STAR, SG
134096 27 3 18 EHEALTHNSW-AS-AP eHealth NSW, AU
24436 23 27 19 UQ-AS-AP University of Queensland, AU
6262 22 128 17 CSIRO Commonwealth Scientific and Indus
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6325 64 169 13 ILLINOIS-CENTURY, US
6360 54 62 7 UNIVHAWAII, US
25977 44 10 15 HCCS, US
18558 40 4 24 NETBLK-RCOEK, US
2572 39 173 20 MORENET, US
376 33 4 31 RISQ-AS, CA
40326 33 2 13 ECKERD-COLLEGE, US
46115 33 2 1 LUTHER, US
271 32 23 28 BCNET-AS, CA
5786 32 2 24 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1935 251 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
559 114 550 105 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
3267 56 63 41 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2715 57 101 37 Fundacao Carlos Chagas Filho de Amparo
3596 33 2 2 Universidad Autonoma Metropolitana, MX
11340 17 1 15 Red Universitaria Nacional, CL
27790 17 1 1 Universidad Nacional de Cordoba, AR
28609 17 1 2 Instituto Nupef, BR
262742 14 2 1 Fundacao Universidade Federal do ABC -
21612 12 16 1 FUNDACAO INSTITUTO OSWALDO CRUZ, BR
52750 9 1 1 Fundacao Centros de Ref. em Tecnologias
264471 9 1 4 UNIVERSIDADE ESTADUAL DO OESTE DO PARAN
16891 8 1 1 Sociedade Mineira de Cultura, BR
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 346 319 68 TENET-1, ZA
36914 241 82 3 KENET-AS, KE
8094 48 48 15 PUKNET, ZA
327687 45 28 3 RENU, UG
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
327700 30 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 574 2140 459 SINET-AS Research Organization of Infor
2018 346 319 68 TENET-1, ZA
680 283 1935 251 DFN Verein zur Foerderung eines Deutsch
36914 241 82 3 KENET-AS, KE
786 186 1775 183 JANET Jisc Services Limited, GB
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 170 329 118 AARNET-AS-AP Australian Academic and Re
559 114 550 105 SWITCH Peering requests: peering at switch
55824 113 18 12 NKN-CORE-NW NKN Core Network, IN
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
2018 346 278 TENET-1, ZA
36914 241 238 KENET-AS, KE
58647 175 173 KAGAWAU-AS Kagawa University, JP
55824 113 101 NKN-CORE-NW NKN Core Network, IN
7575 170 52 AARNET-AS-AP Australian Academic and Research N
6325 64 51 ILLINOIS-CENTURY, US
6360 54 47 UNIVHAWAII, US
327687 45 42 RENU, UG
200521 52 33 SEAP-AGE, ES
8094 48 33 PUKNET, ZA
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-CIDRnet
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:0 /10:0 /11:0 /12:3
/13:2 /14:9 /15:52 /16:1088 /17:234 /18:204
/19:273 /20:322 /21:419 /22:683 /23:757 /24:4488
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 228 241 KENET-AS, KE
46115 32 33 LUTHER, US
25977 30 44 HCCS, US
37182 30 31 TERNET, TZ
200521 30 52 SEAP-AGE, ES
40326 29 33 ECKERD-COLLEGE, US
327700 27 30 MoRENet, MZ
3267 21 56 RUNNET, RU
31638 21 21 ASN-LEPIDA, IT
3233 20 30 ICI-ROTLD Romanian National R&D Network, RO
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:15 8:1 12:1 14:82 18:2
23:1 24:2 31:7 35:3 38:4 41:138
44:4 45:17 46:5 49:8 62:9 63:2
64:19 66:10 67:38 68:1 69:6 70:2
74:38 76:6 77:9 78:3 79:10 80:17
81:28 82:8 83:6 84:8 85:42 86:2
87:1 89:10 91:40 92:1 93:4 94:4
95:4 97:2 98:2 102:14 103:179 104:9
108:1 109:7 123:8 125:1 128:57 129:23
130:8 131:33 132:13 133:149 134:11 136:34
137:39 138:9 139:2 140:11 141:1 142:4
143:17 144:22 145:2 146:28 147:14 148:43
149:5 150:23 151:2 152:55 153:12 154:25
155:24 156:10 157:11 158:34 159:5 160:25
161:4 162:10 163:22 164:4 165:6 166:1
167:5 168:70 169:4 170:9 171:1 172:2
173:2 177:6 179:3 180:16 185:44 188:13
190:2 191:1 192:815 193:305 194:146 195:65
196:149 197:146 198:106 199:53 200:52 201:18
202:258 203:172 204:96 205:31 206:47 207:38
208:32 209:19 210:3 212:54 213:5 216:40
217:11 219:5 220:4
End of report
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