[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Dec 6 20:00:43 UTC 2022
IPv4 R&E Routing Table Report 20:00 GMT Tue 06 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: 6261
Prefixes after maximum aggregation (per Origin AS): 4441
Deaggregation factor: 1.41
Unique aggregates announced (without unneeded subnets): 4734
Number of IPv4 prefixes with a valid ROA: 2458
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 3796
Total ASes present in the Internet Routing Table: 1169
Prefixes per ASN: 5.36
Origin-only ASes present in the Internet Routing Table: 983
Origin ASes announcing only one prefix: 503
Transit ASes present in the Internet Routing Table: 186
Transit-only ASes present in the Internet Routing Table: 60
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: 12
Max AS path prepend of ASN ( 20537) 9
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 40800
Number of 32-bit ASNs visible in the Routing Table: 274
Prefixes from 32-bit ASNs in the Routing Table: 689
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: 81457664
Equivalent to 4 /8s, 218 /16s and 242 /24s
Percentage of available address space announced: 2.2
Percentage of allocated address space announced: 2.2
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: 963
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1614
Total APNIC prefixes after maximum aggregation: 1086
APNIC Deaggregation factor: 1.49
Prefixes being announced from the APNIC address blocks: 1615
Unique aggregates announced from the APNIC address blocks: 1253
APNIC Region origin ASes present in the Internet Routing Table: 228
APNIC Prefixes per ASN: 7.08
APNIC Region origin ASes announcing only one prefix: 106
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: 70
Number of APNIC addresses announced to Internet: 18577152
Equivalent to 1 /8s, 27 /16s and 119 /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: 506
Total ARIN prefixes after maximum aggregation: 290
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 514
Unique aggregates announced from the ARIN address blocks: 352
ARIN Region origin ASes present in the Internet Routing Table: 128
ARIN Prefixes per ASN: 4.02
ARIN Region origin ASes announcing only one prefix: 66
ARIN Region transit ASes present in the Internet Routing Table: 41
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 10
Number of ARIN region 32-bit ASNs visible in the Routing Table: 26
Number of ARIN addresses announced to Internet: 3505920
Equivalent to 0 /8s, 53 /16s and 127 /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: 2822
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3360
Unique aggregates announced from the RIPE address blocks: 2838
RIPE Region origin ASes present in the Internet Routing Table: 657
RIPE Prefixes per ASN: 5.11
RIPE Region origin ASes announcing only one prefix: 291
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: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 139
Number of RIPE addresses announced to Internet: 57737472
Equivalent to 3 /8s, 113 /16s and 1 /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: 239
Total LACNIC prefixes after maximum aggregation: 125
LACNIC Deaggregation factor: 1.91
Prefixes being announced from the LACNIC address blocks: 238
Unique aggregates announced from the LACNIC address blocks: 141
LACNIC Region origin ASes present in the Internet Routing Table: 49
LACNIC Prefixes per ASN: 4.86
LACNIC Region origin ASes announcing only one prefix: 15
LACNIC Region transit ASes present in the Internet Routing Table: 11
Average LACNIC Region AS path length visible: 6.4
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 14
Number of LACNIC addresses announced to Internet: 530944
Equivalent to 0 /8s, 8 /16s and 26 /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: 532
Total AfriNIC prefixes after maximum aggregation: 117
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 532
Unique aggregates announced from the AfriNIC address blocks: 148
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 11.57
AfriNIC Region origin ASes announcing only one prefix: 25
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: 25
Number of AfriNIC addresses announced to Internet: 1105664
Equivalent to 0 /8s, 16 /16s and 223 /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
6325 64 169 13 ILLINOIS-CENTURY, US
6360 54 62 7 UNIVHAWAII, US
271 30 24 26 BCNET-AS, CA
16580 19 2 15 ATHABASCA-U, CA
40812 17 1 1 LEECA, US
11293 16 9 11 UCOP-ASN, US
819 12 1 6 LARG-NET, CA
17207 12 2 8 COLOR-COLL, US
30045 11 1 5 UHN-ASN, CA
11279 10 16 3 GEORGE-MASON-UNIV, 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
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
4270 29 16 1 Red de Interconexion Universitaria, AR
27790 18 2 2 Universidad Nacional de Cordoba, AR
11340 14 1 12 Red Universitaria Nacional, CL
278 12 1 10 Universidad Nacional Autonoma de Mexico
3597 10 2 8 Fundacion InnovaT, AR
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
23140 6 2 6 Universidad de Chile, CL
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 242 82 3 KENET-AS, KE
2018 74 52 48 TENET-1, ZA
327687 41 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
37182 33 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37654 10 1 6 RwEdNet-AS, RW
2561 7 0 5 EUN, EG
37215 6 8 1 MAREN, MW
31960 5 1 1 EMUNET, MZ
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 242 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 242 239 KENET-AS, KE
58647 175 173 KAGAWAU-AS Kagawa University, JP
7575 171 52 AARNET-AS-AP Australian Academic and Research N
6325 64 51 ILLINOIS-CENTURY, US
6360 54 47 UNIVHAWAII, US
327687 41 38 RENU, UG
200521 54 33 SEAP-AGE, ES
327700 34 33 MoRENet, MZ
680 281 32 DFN Verein zur Foerderung eines Deutschen Forsc
37182 33 32 TERNET, TZ
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
Complete listing at https://bgp.nsrc.org/REN/SingAREN/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
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 /16:929 /17:154 /18:132
/19:186 /20:249 /21:359 /22:540 /23:553 /24:3094
/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 229 242 KENET-AS, KE
37182 32 33 TERNET, TZ
200521 31 54 SEAP-AGE, ES
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
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
40812 16 17 LEECA, US
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
5:15 12:1 24:2 31:7 37:1 38:1
41:142 44:4 45:13 46:5 49:4 62:9
66:1 67:1 69:2 74:1 76:3 77:8
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 95:4 102:9
103:80 109:6 123:8 125:1 128:40 129:9
130:7 131:31 132:16 133:146 134:7 136:10
137:24 138:8 139:1 140:5 142:2 143:10
145:2 146:19 147:4 148:6 150:5 151:2
152:4 153:12 154:8 155:4 156:8 157:2
159:3 160:25 161:4 162:4 163:19 167:9
168:28 170:32 171:1 177:1 179:4 180:2
185:43 188:13 189:3 190:3 191:25 192:655
193:273 194:145 195:64 196:46 197:145 198:38
199:34 200:47 201:1 202:219 203:164 204:9
205:20 206:5 207:7 208:23 209:9 210:3
212:44 213:5 217:11 219:5
End of report
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