[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Oct 25 20:15:39 UTC 2023
IPv4 R&E Routing Table Report 20:15 GMT Wed 25 Oct, 2023
IPv4 BGP Table (R&E) as seen at KREONet2.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 20877
Prefixes after maximum aggregation (per Origin AS): 11316
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 12538
Number of IPv4 prefixes with a valid ROA: 6780
Number of IPv4 prefixes with an invalid ROA: 32
Number of IPv4 prefixes with no ROA: 14065
Total ASes present in the Internet Routing Table: 2777
Prefixes per ASN: 7.52
Origin-only ASes present in the Internet Routing Table: 2384
Origin ASes announcing only one prefix: 1060
Transit ASes present in the Internet Routing Table: 393
Transit-only ASes present in the Internet Routing Table: 87
Paths with bogon ASNs present in the IPv4 Routing Table: 4
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 14
Max AS path prepend of ASN ( 47805) 11
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: 42902
Number of 32-bit ASNs visible in the Routing Table: 621
Prefixes from 32-bit ASNs in the Routing Table: 1875
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: 4
Number of addresses announced to Internet: 269675885
Equivalent to 16 /8s, 18 /16s and 237 /24s
Percentage of available address space announced: 7.3
Percentage of allocated address space announced: 7.3
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: 2760
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4984
Total APNIC prefixes after maximum aggregation: 2373
APNIC Deaggregation factor: 2.10
Prefixes being announced from the APNIC address blocks: 4800
Unique aggregates announced from the APNIC address blocks: 2702
APNIC Region origin ASes present in the Internet Routing Table: 538
APNIC Prefixes per ASN: 8.92
APNIC Region origin ASes announcing only one prefix: 227
APNIC Region transit ASes present in the Internet Routing Table: 64
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 202
Number of APNIC addresses announced to Internet: 47376748
Equivalent to 2 /8s, 210 /16s and 233 /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: 9877
Total ARIN prefixes after maximum aggregation: 5376
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 9920
Unique aggregates announced from the ARIN address blocks: 5842
ARIN Region origin ASes present in the Internet Routing Table: 1273
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 450
ARIN Region transit ASes present in the Internet Routing Table: 163
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 195
Number of ARIN addresses announced to Internet: 147462241
Equivalent to 8 /8s, 202 /16s and 24 /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: 3663
Total RIPE prefixes after maximum aggregation: 2900
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3799
Unique aggregates announced from the RIPE address blocks: 3070
RIPE Region origin ASes present in the Internet Routing Table: 698
RIPE Prefixes per ASN: 5.44
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 110
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 146
Number of RIPE addresses announced to Internet: 67497984
Equivalent to 4 /8s, 5 /16s and 240 /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: 1293
Total LACNIC prefixes after maximum aggregation: 497
LACNIC Deaggregation factor: 2.60
Prefixes being announced from the LACNIC address blocks: 1292
Unique aggregates announced from the LACNIC address blocks: 697
LACNIC Region origin ASes present in the Internet Routing Table: 134
LACNIC Prefixes per ASN: 9.64
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 57
Number of LACNIC addresses announced to Internet: 4481440
Equivalent to 0 /8s, 68 /16s and 97 /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: 1056
Total AfriNIC prefixes after maximum aggregation: 166
AfriNIC Deaggregation factor: 6.36
Prefixes being announced from the AfriNIC address blocks: 1062
Unique aggregates announced from the AfriNIC address blocks: 223
AfriNIC Region origin ASes present in the Internet Routing Table: 45
AfriNIC Prefixes per ASN: 23.60
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 21
Number of AfriNIC addresses announced to Internet: 2791168
Equivalent to 0 /8s, 42 /16s and 151 /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 2162 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
45102 393 636 103 ALIBABA-CN-NET Alibaba US Technology Co
1237 200 74 142 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 125 19 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
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
15169 832 2001 63 GOOGLE, US
8075 385 12791 325 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 371 507 93 CSUNET-NW, US
6939 232 125 185 HURRICANE, US
376 202 178 151 RISQ-AS, CA
668 198 585 167 DNIC-AS-00668, US
5786 197 16 1 UPRENET, PR
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
270 115 305 80 AS270, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 160 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 73 457 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
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 249 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 97 24 47 Red Universitaria Nacional, CL
271640 70 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 43 99 33 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 35 4 3 Universidad Autonoma Metropolitana, MX
263683 33 10 21 Universidad de Costa Rica, CR
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 382 319 71 TENET-1, ZA
36914 244 82 3 KENET-AS, KE
327687 168 28 3 RENU, UG
8094 48 48 15 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/KREONet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
15169 832 2001 63 GOOGLE, US
2907 603 2162 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
45102 393 636 103 ALIBABA-CN-NET Alibaba US Technology Co
8075 385 12791 325 MICROSOFT-CORP-MSN-AS-BLOCK, US
2018 382 319 71 TENET-1, ZA
2152 371 507 93 CSUNET-NW, US
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 249 176 43 Rede Nacional de Ensino e Pesquisa, BR
36914 244 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 382 311 TENET-1, ZA
45102 393 290 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
2152 371 278 CSUNET-NW, US
36914 244 241 KENET-AS, KE
1916 249 206 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
327687 168 165 RENU, UG
8895 160 155 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65208 PRIVATE 63.225.1.0/24 11570 EASTERN-NEW-MEXICO-UNIVERITY
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
65208 PRIVATE 216.161.32.0/23 11570 EASTERN-NEW-MEXICO-UNIVERITY
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar
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
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 6939 HURRICANE, US
192.88.99.0/24 Transit: 17579 KREONET2-AS-KR KISTI, KR
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /10:4 /11:7 /12:22
/13:37 /14:68 /15:155 /16:2161 /17:492 /18:508
/19:735 /20:913 /21:914 /22:1564 /23:1663 /24:11354
/25:84 /26:61 /27:73 /28:18 /29:22 /30:15
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 275 832 GOOGLE, US
36914 233 244 KENET-AS, KE
8895 155 160 ISU Internet Services Unit ISU, SA
6939 118 232 HURRICANE, US
32440 81 111 LONI, US
8075 80 385 MICROSOFT-CORP-MSN-AS-BLOCK, US
23024 52 113 OCDE, US
1916 40 249 Rede Nacional de Ensino e Pesquisa, BR
327700 38 42 MoRENet, MZ
2152 37 371 CSUNET-NW, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:1 5:16 6:4 8:12 12:1
13:1 14:87 23:14 24:3 31:7 34:2
35:5 38:8 40:1 41:113 42:10 43:12
44:7 45:51 46:7 47:49 49:9 50:3
52:2 58:1 59:19 60:5 61:1 62:17
63:37 64:86 65:8 66:63 67:43 68:9
69:23 70:13 71:1 72:17 74:117 76:42
77:9 78:3 79:10 80:12 81:27 82:8
83:6 84:12 85:41 86:4 87:1 89:11
91:53 92:4 93:5 94:8 95:3 96:5
97:2 98:2 101:2 102:29 103:285 104:83
107:48 108:45 109:10 110:2 111:17 113:4
114:23 117:61 118:32 119:18 121:27 122:8
123:8 124:40 125:4 128:88 129:49 130:87
131:65 132:64 133:152 134:111 135:1 136:199
137:133 138:11 139:5 140:42 141:1 142:265
143:22 144:28 145:4 146:124 147:58 148:193
149:12 150:46 151:12 152:132 153:14 154:29
155:63 156:66 157:18 158:14 159:115 160:30
161:31 162:24 163:81 164:13 165:47 166:2
167:16 168:100 169:8 170:44 171:1 172:91
173:87 175:18 176:9 177:5 178:1 179:11
180:15 181:3 182:1 184:4 185:84 186:3
187:17 188:14 189:3 190:19 191:14 192:1487
193:305 194:152 195:93 196:203 197:165 198:584
199:293 200:281 201:38 202:623 203:428 204:375
205:153 206:200 207:221 208:89 209:158 210:197
211:14 212:165 213:6 214:8 216:126 217:10
218:22 219:5 220:15 222:2 223:16
End of report
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