[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Dec 3 20:00:40 UTC 2022
IPv4 R&E Routing Table Report 20:00 GMT Sat 03 Dec, 2022
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: 6034
Prefixes after maximum aggregation (per Origin AS): 4346
Deaggregation factor: 1.39
Unique aggregates announced (without unneeded subnets): 4639
Number of IPv4 prefixes with a valid ROA: 2441
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 3586
Total ASes present in the Internet Routing Table: 1099
Prefixes per ASN: 5.49
Origin-only ASes present in the Internet Routing Table: 923
Origin ASes announcing only one prefix: 467
Transit ASes present in the Internet Routing Table: 176
Transit-only ASes present in the Internet Routing Table: 51
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 13
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: 40783
Number of 32-bit ASNs visible in the Routing Table: 257
Prefixes from 32-bit ASNs in the Routing Table: 612
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: 2
Number of addresses announced to Internet: 79475712
Equivalent to 4 /8s, 188 /16s and 180 /24s
Percentage of available address space announced: 2.1
Percentage of allocated address space announced: 2.1
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: 897
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1613
Total APNIC prefixes after maximum aggregation: 1085
APNIC Deaggregation factor: 1.49
Prefixes being announced from the APNIC address blocks: 1614
Unique aggregates announced from the APNIC address blocks: 1252
APNIC Region origin ASes present in the Internet Routing Table: 227
APNIC Prefixes per ASN: 7.11
APNIC Region origin ASes announcing only one prefix: 105
APNIC Region transit ASes present in the Internet Routing Table: 15
Average APNIC Region AS path length visible: 2.7
Max APNIC Region AS path length visible: 8
Number of APNIC region 32-bit ASNs visible in the Routing Table: 69
Number of APNIC addresses announced to Internet: 18576896
Equivalent to 1 /8s, 27 /16s and 118 /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: 282
Total ARIN prefixes after maximum aggregation: 175
ARIN Deaggregation factor: 1.61
Prefixes being announced from the ARIN address blocks: 289
Unique aggregates announced from the ARIN address blocks: 211
ARIN Region origin ASes present in the Internet Routing Table: 75
ARIN Prefixes per ASN: 3.85
ARIN Region origin ASes announcing only one prefix: 34
ARIN Region transit ASes present in the Internet Routing Table: 32
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 10
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 1625344
Equivalent to 0 /8s, 24 /16s and 205 /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: 3369
Total RIPE prefixes after maximum aggregation: 2824
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3360
Unique aggregates announced from the RIPE address blocks: 2837
RIPE Region origin ASes present in the Internet Routing Table: 656
RIPE Prefixes per ASN: 5.12
RIPE Region origin ASes announcing only one prefix: 289
RIPE Region transit ASes present in the Internet Routing Table: 95
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: 139
Number of RIPE addresses announced to Internet: 57673472
Equivalent to 3 /8s, 112 /16s and 7 /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: 176
Total LACNIC prefixes after maximum aggregation: 118
LACNIC Deaggregation factor: 1.49
Prefixes being announced from the LACNIC address blocks: 175
Unique aggregates announced from the LACNIC address blocks: 130
LACNIC Region origin ASes present in the Internet Routing Table: 43
LACNIC Prefixes per ASN: 4.07
LACNIC Region origin ASes announcing only one prefix: 14
LACNIC Region transit ASes present in the Internet Routing Table: 8
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 11
Number of LACNIC addresses announced to Internet: 459008
Equivalent to 0 /8s, 7 /16s and 1 /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: 594
Total AfriNIC prefixes after maximum aggregation: 144
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 594
Unique aggregates announced from the AfriNIC address blocks: 207
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 12.64
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 1140480
Equivalent to 0 /8s, 17 /16s and 103 /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 564 2139 455 SINET-AS Research Organization of Infor
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 329 119 AARNET-AS-AP Australian Academic and Re
23767 30 3 10 A-STAR-AS-AP A-STAR, SG
134096 27 3 18 EHEALTHNSW-AS-AP eHealth NSW, AU
6262 22 128 17 CSIRO Commonwealth Scientific and Indus
24436 22 27 18 UQ-AS-AP University of Queensland, AU
10148 19 20 18 UNIMELB-AS-AP The University of Melbour
38022 18 3 13 REANNZ-NZ-AP REANNZ National Research a
2506 16 52 6 SUPERCSI NTT WEST CHUGOKU CORPORATION,
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
6360 54 62 7 UNIVHAWAII, US
16580 19 2 15 ATHABASCA-U, CA
271 15 19 15 BCNET-AS, CA
819 12 1 6 LARG-NET, CA
30045 11 1 5 UHN-ASN, CA
11293 8 8 7 UCOP-ASN, US
19350 8 1 5 CENTENNIALCOLLEGE, CA
394399 8 1 1 LACA-ASN, US
3464 7 0 5 ASC-NET, US
668 6 0 5 DNIC-AS-00668, US
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
680 281 1935 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
559 115 550 106 SWITCH Peering requests: peering at switch
1103 100 1520 87 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 57 63 42 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
27790 17 1 1 Universidad Nacional de Cordoba, AR
3597 16 2 12 Fundacion InnovaT, AR
11340 15 1 13 Red Universitaria Nacional, CL
278 12 1 10 Universidad Nacional Autonoma de Mexico
52314 10 1 3 Universidad Nacional del Noroeste de Bu
20191 8 16 1 Pontificia Universidad Catolica de Chil
27817 8 2 2 Red Nacional Academica de Tecnologia Av
27875 8 2 8 Universidad Nacional de Cuyo, AR
23140 6 2 6 Universidad de Chile, CL
27981 6 0 2 Universidad Nacional de Mar del Plata,
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
36914 243 82 3 KENET-AS, KE
2561 68 4 33 EUN, EG
2018 62 52 45 TENET-1, ZA
327687 41 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
37182 32 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37654 10 1 6 RwEdNet-AS, RW
37215 6 8 1 MAREN, MW
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 564 2139 455 SINET-AS Research Organization of Infor
680 281 1935 249 DFN Verein zur Foerderung eines Deutsch
36914 243 82 3 KENET-AS, KE
786 186 1775 183 JANET Jisc Services Limited, GB
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 329 119 AARNET-AS-AP Australian Academic and Re
559 115 550 106 SWITCH Peering requests: peering at switch
1103 100 1520 87 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 243 240 KENET-AS, KE
58647 175 173 KAGAWAU-AS Kagawa University, JP
7575 171 52 AARNET-AS-AP Australian Academic and Research N
6360 54 47 UNIVHAWAII, US
327687 41 38 RENU, UG
2561 68 35 EUN, EG
327700 34 33 MoRENet, MZ
680 281 32 DFN Verein zur Foerderung eines Deutschen Forsc
37182 32 31 TERNET, TZ
200521 53 29 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-CIDRnet
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-spar
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
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
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 /15:51 /16:907 /17:128 /18:106
/19:175 /20:234 /21:347 /22:532 /23:531 /24:3009
/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 230 243 KENET-AS, KE
37182 31 32 TERNET, TZ
200521 30 53 SEAP-AGE, ES
327700 29 34 MoRENet, MZ
3267 22 57 RUNNET, RU
31638 21 21 ASN-LEPIDA, IT
3233 19 29 ICI-ROTLD Romanian National R&D Network, RO
2614 17 95 ROEDUNET, RO
28949 15 15 TUSNET-AS 8, Kliment Ohridski St., BG
60187 14 35 LGFL-AS, GB
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
5:15 24:2 31:7 37:1 38:1 41:143
44:4 45:14 46:5 49:4 62:9 66:1
67:1 74:1 76:1 77:9 78:3 79:10
80:17 81:28 82:8 83:6 84:8 85:41
86:3 87:1 88:1 89:10 91:38 92:1
93:4 94:4 95:4 102:10 103:79 109:6
123:8 125:1 128:37 129:8 130:5 131:30
132:16 133:146 134:7 136:7 137:24 138:8
139:1 140:5 142:1 143:7 145:2 146:20
147:4 148:6 150:5 151:2 152:4 153:12
154:7 155:5 156:8 157:2 159:2 160:25
161:4 163:19 167:4 168:33 170:16 171:1
179:3 180:2 185:43 188:13 190:3 192:626
193:313 194:145 195:88 196:41 197:146 198:30
199:31 200:47 201:1 202:219 203:164 204:4
205:18 206:2 207:5 208:7 210:3 212:42
213:5 217:11 219:5
End of report
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