[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Thu Apr 6 19:05:41 UTC 2023


IPv4 R&E Routing Table Report   19:05 GMT Thu 06 Apr, 2023

  IPv4 BGP Table (R&E) as seen at BDREN.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/BDREN/

Analysis Summary
----------------

BGP routing table entries examined:                               17972
    Prefixes after maximum aggregation (per Origin AS):           10030
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):       11116
    Number of IPv4 prefixes with a valid ROA:                      4864
    Number of IPv4 prefixes with an invalid ROA:                     17
    Number of IPv4 prefixes with no ROA:                          13091
Total ASes present in the Internet Routing Table:                  2723
    Prefixes per ASN:                                              6.60
Origin-only ASes present in the Internet Routing Table:            2340
Origin ASes announcing only one prefix:                            1040
Transit ASes present in the Internet Routing Table:                 383
Transit-only ASes present in the Internet Routing Table:             73
Paths with bogon ASNs present in the IPv4 Routing Table:              6
Average AS path length visible in the Internet Routing Table:       6.4
    Max AS path length visible:                                      22
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      41614
Number of 32-bit ASNs visible in the Routing Table:                 645
Prefixes from 32-bit ASNs in the Routing Table:                    1809
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:              2
Number of addresses announced to Internet:                    191065600
    Equivalent to 11 /8s, 99 /16s and 110 /24s
    Percentage of available address space announced:                5.2
    Percentage of allocated address space announced:                5.2
    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:        2082

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     3879
    Total APNIC prefixes after maximum aggregation:                1708
    APNIC Deaggregation factor:                                    2.27
Prefixes being announced from the APNIC address blocks:            3883
    Unique aggregates announced from the APNIC address blocks:     1954
APNIC Region origin ASes present in the Internet Routing Table:     496
    APNIC Prefixes per ASN:                                        7.83
APNIC Region origin ASes announcing only one prefix:                205
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    219
Number of APNIC addresses announced to Internet:               32597760
    Equivalent to 1 /8s, 241 /16s and 103 /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:                      8123
    Total ARIN prefixes after maximum aggregation:                 4726
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             8140
    Unique aggregates announced from the ARIN address blocks:      5270
ARIN Region origin ASes present in the Internet Routing Table:     1260
    ARIN Prefixes per ASN:                                         6.46
ARIN Region origin ASes announcing only one prefix:                 451
ARIN Region transit ASes present in the Internet Routing Table:     167
Average ARIN Region AS path length visible:                         7.2
    Max ARIN Region AS path length visible:                          22
Number of ARIN region 32-bit ASNs visible in the Routing Table:     196
Number of ARIN addresses announced to Internet:                93772288
    Equivalent to 5 /8s, 150 /16s and 218 /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:                      3562
    Total RIPE prefixes after maximum aggregation:                 2854
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3549
    Unique aggregates announced from the RIPE address blocks:      2879
RIPE Region origin ASes present in the Internet Routing Table:      684
    RIPE Prefixes per ASN:                                         5.19
RIPE Region origin ASes announcing only one prefix:                 302
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     141
Number of RIPE addresses announced to Internet:                57911296
    Equivalent to 3 /8s, 115 /16s and 168 /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:                    1448
    Total LACNIC prefixes after maximum aggregation:                560
    LACNIC Deaggregation factor:                                   2.59
Prefixes being announced from the LACNIC address blocks:           1445
    Unique aggregates announced from the LACNIC address blocks:     781
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       9.26
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       8.1
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4145408
    Equivalent to 0 /8s, 63 /16s and 65 /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:                    954
    Total AfriNIC prefixes after maximum aggregation:               176
    AfriNIC Deaggregation factor:                                  5.42
Prefixes being announced from the AfriNIC address blocks:           953
    Unique aggregates announced from the AfriNIC address blocks:    230
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     18.69
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      6.5
    Max AfriNIC Region AS path length visible:                       22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2638080
    Equivalent to 0 /8s, 40 /16s and 65 /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
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  1237         189         74     139  KREONET-AS-KR KISTI, KR
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
  4758         162         16       1  NICNET-VSNL-BOARDER-AP National Informa
 55824         141         19      30  NKN-CORE-NW NKN Core Network, IN
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         236        507      94  CSUNET-NW, US
   668         216        636     179  DNIC-AS-00668, US
   376         198        178     148  RISQ-AS, CA
  5786         171         16       1  UPRENET, PR
 18558         139         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         135         24       3  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  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

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         223        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
  1251          59         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         382        319      72  TENET-1, ZA
 36914         254         82       3  KENET-AS, KE
327687          63         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          33         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          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/BDREN/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         382        319      72  TENET-1, ZA
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         254         82       3  KENET-AS, KE
  2152         236        507      94  CSUNET-NW, US
  1916         223        208      43  Rede Nacional de Ensino e Pesquisa, BR
   668         216        636     179  DNIC-AS-00668, US
   376         198        178     148  RISQ-AS, CA
  1237         189         74     139  KREONET-AS-KR KISTI, KR
   786         186       1775     183  JANET Jisc Services Limited, GB

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  2018         382          310  TENET-1, ZA
 36914         254          251  KENET-AS, KE
  1916         223          180  Rede Nacional de Ensino e Pesquisa, BR
  5786         171          170  UPRENET, PR
  4758         162          161  NICNET-VSNL-BOARDER-AP National Informatics Cen
  2152         236          142  CSUNET-NW, US
 18558         139          135  NETBLK-RCOEK, US
  8895         135          132  ISU Internet Services Unit ISU, SA
 55824         141          111  NKN-CORE-NW NKN Core Network, IN
  2920         107          100  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65200  PRIVATE      43.224.124.0/22         132124  ICTA-LK Information and Comm
     65200  PRIVATE      103.11.32.0/22          132124  ICTA-LK Information and Comm
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US
     65200  PRIVATE      220.247.225.0/24        132124  ICTA-LK Information and Comm

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
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/BDREN/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       /11:1       /12:10      
/13:18      /14:33      /15:122     /16:1814    /17:381     /18:417     
/19:555     /20:855     /21:824     /22:1410    /23:1493    /24:10036   
/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         241         254  KENET-AS, KE
  8895         130         135  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
 18632          34          66  VOLCANO-VISION, US
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1         5:14        6:4         8:2        12:1        14:89     
  23:9        24:1        31:7        35:6        38:9        40:1      
  41:107      42:10       44:5        45:40       46:5        47:1      
  49:6        50:4        52:1        58:1        59:20       60:4      
  61:3        62:11       63:37       64:59       65:5        66:48     
  67:44       68:8        69:19       70:2        71:1        72:7      
  74:50       76:42       77:9        78:3        79:10       80:17     
  81:28       82:7        83:6        84:7        85:42       86:5      
  87:1        89:10       91:47       92:2        93:4        94:4      
  95:2        96:5        97:2        98:2       101:6       102:16     
 103:310     104:77      107:16      108:10      109:10      110:2      
 111:16      114:23      116:6       117:61      118:32      119:21     
 121:28      122:8       123:8       124:39      125:4       128:86     
 129:41      130:87      131:59      132:56      134:99      136:171    
 137:91      138:9       139:6       140:54      141:1       142:39     
 143:29      144:26      145:2       146:131     147:55      148:193    
 149:12      150:128     151:9       152:144     153:14      154:31     
 155:55      156:67      157:32      158:36      159:115     160:1      
 161:21      162:26      163:69      164:157     165:51      166:1      
 167:16      168:123     169:7       170:79      171:1       172:3      
 173:7       175:31      176:8       177:9       179:9       180:15     
 181:1       182:1       184:3       185:49      186:3       187:18     
 188:13      189:3       190:18      191:36      192:1310    193:308    
 194:145     195:68      196:169     197:158     198:526     199:281    
 200:282     201:38      202:466     203:430     204:364     205:134    
 206:196     207:181     208:71      209:132     210:184     211:17     
 212:170     213:5       214:8       216:87      217:10      218:22     
 219:1       220:17      222:5       223:4      

End of report


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