[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Sep 11 22:10:39 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Mon 11 Sep, 2023
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 25317
Prefixes after maximum aggregation (per Origin AS): 12479
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14076
Number of IPv4 prefixes with a valid ROA: 11705
Number of IPv4 prefixes with an invalid ROA: 200
Number of IPv4 prefixes with no ROA: 13412
Total ASes present in the Internet Routing Table: 2744
Prefixes per ASN: 9.23
Origin-only ASes present in the Internet Routing Table: 2358
Origin ASes announcing only one prefix: 1039
Transit ASes present in the Internet Routing Table: 386
Transit-only ASes present in the Internet Routing Table: 71
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 17
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 42592
Number of 32-bit ASNs visible in the Routing Table: 635
Prefixes from 32-bit ASNs in the Routing Table: 4683
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: 14
Number of addresses announced to Internet: 241752200
Equivalent to 14 /8s, 104 /16s and 216 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
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: 3363
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4667
Total APNIC prefixes after maximum aggregation: 2296
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4709
Unique aggregates announced from the APNIC address blocks: 2655
APNIC Region origin ASes present in the Internet Routing Table: 546
APNIC Prefixes per ASN: 8.62
APNIC Region origin ASes announcing only one prefix: 229
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 207
Number of APNIC addresses announced to Internet: 45647168
Equivalent to 2 /8s, 184 /16s and 133 /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, 131072-153913
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: 14314
Total ARIN prefixes after maximum aggregation: 6421
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 14110
Unique aggregates announced from the ARIN address blocks: 7182
ARIN Region origin ASes present in the Internet Routing Table: 1225
ARIN Prefixes per ASN: 11.52
ARIN Region origin ASes announcing only one prefix: 427
ARIN Region transit ASes present in the Internet Routing Table: 162
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 192
Number of ARIN addresses announced to Internet: 131180225
Equivalent to 7 /8s, 209 /16s and 166 /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: 3640
Total RIPE prefixes after maximum aggregation: 2887
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3788
Unique aggregates announced from the RIPE address blocks: 3112
RIPE Region origin ASes present in the Internet Routing Table: 685
RIPE Prefixes per ASN: 5.53
RIPE Region origin ASes announcing only one prefix: 301
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 143
Number of RIPE addresses announced to Internet: 57946624
Equivalent to 3 /8s, 116 /16s and 50 /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
196608-216475
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: 1642
Total LACNIC prefixes after maximum aggregation: 698
LACNIC Deaggregation factor: 2.35
Prefixes being announced from the LACNIC address blocks: 1646
Unique aggregates announced from the LACNIC address blocks: 894
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 9.98
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 28
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4246663
Equivalent to 0 /8s, 64 /16s and 204 /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: 1050
Total AfriNIC prefixes after maximum aggregation: 173
AfriNIC Deaggregation factor: 6.07
Prefixes being announced from the AfriNIC address blocks: 1050
Unique aggregates announced from the AfriNIC address blocks: 219
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 21.43
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2659584
Equivalent to 0 /8s, 40 /16s and 149 /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 603 2163 466 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
1237 194 74 139 KREONET-AS-KR KISTI, KR
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 126 18 17 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 63 4 1 MAHIDOL-BORDER-AS Mahidol University, T
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2691 3596 388 GOOGLE-CLOUD-PLATFORM, US
16509 2146 1637 854 AMAZON-02, US
15169 826 1997 61 GOOGLE, US
14618 814 4019 612 AMAZON-AES, US
376 201 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 157 11 35 GOOGLEWIFI, US
2152 148 507 92 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 163 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 74 465 74 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
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 261 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
27947 125 0 95 Telconet S.A, EC
11340 115 25 52 Red Universitaria Nacional, CL
271640 72 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
4270 48 16 1 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 35 4 3 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 370 319 71 TENET-1, ZA
36914 253 82 3 KENET-AS, KE
327687 166 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2691 3596 388 GOOGLE-CLOUD-PLATFORM, US
16509 2146 1637 854 AMAZON-02, US
15169 826 1997 61 GOOGLE, US
14618 814 4019 612 AMAZON-AES, US
2907 603 2163 466 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
2018 370 319 71 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 261 176 43 Rede Nacional de Ensino e Pesquisa, BR
36914 253 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2146 1292 AMAZON-02, US
15169 826 765 GOOGLE, US
7497 434 411 CSTNET-AS-AP Computer Network Information Cente
2018 370 299 TENET-1, ZA
36914 253 250 KENET-AS, KE
1916 261 218 Rede Nacional de Ensino e Pesquisa, BR
14618 814 202 AMAZON-AES, US
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
327687 166 163 RENU, UG
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
134.208.0.0/16 Origin: 17711 NDHU-TW National Dong Hwa University, TW
134.208.0.0/16 Transit: 7539 TWAREN-TW National Center for High-perfo
144.81.129.0/24 Origin: 14618 AMAZON-AES, US
144.81.129.0/24 Transit: 16509 AMAZON-02, US
144.81.130.0/24 Origin: 14618 AMAZON-AES, US
144.81.130.0/24 Transit: 16509 AMAZON-02, US
144.81.131.0/24 Origin: 14618 AMAZON-AES, US
144.81.131.0/24 Transit: 16509 AMAZON-02, US
144.81.132.0/22 Origin: 14618 AMAZON-AES, US
144.81.132.0/22 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /9:1 /10:2 /11:4 /12:19
/13:34 /14:81 /15:161 /16:2089 /17:499 /18:466
/19:711 /20:2773 /21:1021 /22:1648 /23:1714 /24:13665
/25:91 /26:72 /27:80 /28:20 /29:83 /30:39
/31:35 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 296 2146 AMAZON-02, US
15169 275 826 GOOGLE, US
14618 266 814 AMAZON-AES, US
36914 242 253 KENET-AS, KE
396982 196 2691 GOOGLE-CLOUD-PLATFORM, US
8895 158 163 ISU Internet Services Unit ISU, SA
27947 98 125 Telconet S.A, EC
32440 80 109 LONI, US
23024 52 113 OCDE, US
1916 40 261 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:77 5:20 8:28 12:1 13:45
14:89 15:70 16:112 18:63 23:112 24:3
31:9 34:20 35:47 38:9 40:1 41:116
42:10 43:1 44:8 45:60 46:11 47:1
49:9 50:3 52:558 54:228 58:1 59:19
60:4 61:3 62:12 63:37 64:163 65:13
66:70 67:60 68:12 69:36 70:43 71:3
72:13 74:137 76:46 77:11 78:3 79:10
80:13 81:27 82:6 83:6 84:10 85:46
86:10 87:2 88:1 89:17 91:57 92:4
93:4 94:4 95:2 96:7 97:1 98:11
99:47 101:3 102:29 103:291 104:213 107:33
108:102 109:12 111:16 114:31 115:1 116:8
117:61 118:32 119:18 121:27 122:8 123:8
124:39 125:4 128:87 129:47 130:143 131:63
132:57 133:152 134:105 135:3 136:293 137:145
138:10 139:17 140:38 141:4 142:276 143:22
144:39 145:3 146:144 147:65 148:200 149:17
150:44 151:16 152:149 153:14 154:27 155:73
156:69 157:23 158:37 159:148 160:29 161:36
162:85 163:86 164:20 165:50 166:1 167:22
168:152 169:12 170:132 171:1 172:114 173:114
174:2 175:26 176:11 177:5 178:1 179:9
180:15 182:1 184:7 185:103 186:3 187:18
188:19 189:3 190:5 191:13 192:1474 193:306
194:124 195:85 196:202 197:166 198:496 199:299
200:332 201:36 202:635 203:429 204:371 205:147
206:204 207:190 208:132 209:166 210:190 211:14
212:170 213:15 216:166 217:12 218:22 219:5
220:16 222:2 223:14
End of report
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