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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Nov 9 19:00:52 UTC 2024


IPv4 R&E Routing Table Report   19:00 GMT Sat 09 Nov, 2024

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

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

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

BGP routing table entries examined:                               19624
    Prefixes after maximum aggregation (per Origin AS):           10714
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       11786
    Number of IPv4 prefixes with a valid ROA:                      7455
    Number of IPv4 prefixes with an invalid ROA:                     12
    Number of IPv4 prefixes with no ROA:                          12157
Total ASes present in the Internet Routing Table:                  2776
    Prefixes per ASN:                                              7.07
Origin-only ASes present in the Internet Routing Table:            2403
Origin ASes announcing only one prefix:                            1070
Transit ASes present in the Internet Routing Table:                 373
Transit-only ASes present in the Internet Routing Table:             63
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (138136)                              20
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:                      45822
Number of 32-bit ASNs visible in the Routing Table:                 670
Prefixes from 32-bit ASNs in the Routing Table:                    1816
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:              0
Number of addresses announced to Internet:                    201418240
    Equivalent to 12 /8s, 1 /16s and 102 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                4.2
    Percentage of available address space allocated:              128.7
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        7153

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

Prefixes being announced by APNIC Region ASes:                     4791
    Total APNIC prefixes after maximum aggregation:                2276
    APNIC Deaggregation factor:                                    2.11
Prefixes being announced from the APNIC address blocks:             473
    Unique aggregates announced from the APNIC address blocks:      396
APNIC Region origin ASes present in the Internet Routing Table:     560
    APNIC Prefixes per ASN:                                        0.84
APNIC Region origin ASes announcing only one prefix:                240
APNIC Region transit ASes present in the Internet Routing Table:     57
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:    211
Number of APNIC addresses announced to Internet:                7137280
    Equivalent to 0 /8s, 108 /16s and 232 /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    43/8,  45/8, 146/8, 150/8, 160/8, 163/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                      8762
    Total ARIN prefixes after maximum aggregation:                 4856
    ARIN Deaggregation factor:                                     1.80
Prefixes being announced from the ARIN address blocks:             4682
    Unique aggregates announced from the ARIN address blocks:      3094
ARIN Region origin ASes present in the Internet Routing Table:     1279
    ARIN Prefixes per ASN:                                         3.66
ARIN Region origin ASes announcing only one prefix:                 450
ARIN Region transit ASes present in the Internet Routing Table:     154
Average ARIN Region AS path length visible:                         5.6
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     213
Number of ARIN addresses announced to Internet:                26525440
    Equivalent to 1 /8s, 148 /16s and 191 /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, 393216-402332
ARIN Address Blocks     66/8, 139/8, 144/8, 149/8, 162/8, 192/8, 198/8,
                       199/8, 204/8, 205/8, 207/8, 208/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                      3573
    Total RIPE prefixes after maximum aggregation:                 2874
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:              854
    Unique aggregates announced from the RIPE address blocks:       813
RIPE Region origin ASes present in the Internet Routing Table:      672
    RIPE Prefixes per ASN:                                         1.27
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     108
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     158
Number of RIPE addresses announced to Internet:                10146560
    Equivalent to 0 /8s, 154 /16s and 211 /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    152/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                    1442
    Total LACNIC prefixes after maximum aggregation:                537
    LACNIC Deaggregation factor:                                   2.69
Prefixes being announced from the LACNIC address blocks:            249
    Unique aggregates announced from the LACNIC address blocks:     194
LACNIC Region origin ASes present in the Internet Routing Table:    153
    LACNIC Prefixes per ASN:                                       1.63
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    61
Number of LACNIC addresses announced to Internet:                921088
    Equivalent to 0 /8s, 14 /16s and 14 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks  128/8, 216/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   1052
    Total AfriNIC prefixes after maximum aggregation:               167
    AfriNIC Deaggregation factor:                                  6.30
Prefixes being announced from the AfriNIC address blocks:            81
    Unique aggregates announced from the AfriNIC address blocks:     48
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                      1.72
AfriNIC Region origin ASes announcing only one prefix:               28
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      7.3
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:               603648
    Equivalent to 0 /8s, 9 /16s and 54 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 161/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         590       2170     464  SINET-AS Research Organization of Informa
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  1237         191         74     145  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Rese
  4758         171         16       1  NICNET-VSNL-BOARDER-AP National Informati
 55824         151         20      34  NKN-CORE-NW NKN Core Network, IN
  4538         130       4192      72  ERX-CERNET-BKB China Education and Resear
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          70         37      11  UNINET-AS-AP UNINET-, TH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         511        507      99  CENIC-2152, US
  2920         229         44      49  LACOE, US
   668         204        632     173  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 18558         141         18       5  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
   293         110         33      14  ESNET, US
 23024          95          7      21  OCDE, US
 21976          91         50      17  NJEDGE-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         281       1899     248  DFN Verein zur Foerderung eines Deutschen
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         133         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          97       1759      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         26      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         26      67  NIKS, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         216        178      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         110         25      53  Red Universitaria Nacional, CL
271640          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          51          5      17  CEDIA, EC
  2715          50        100      36  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          47         16       2  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  1251          37         31      26  FUNDACAO DE AMPARO A PESQUISA DO ESTADO S

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         449         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
327700          15         16       1  MoRENet, MZ
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         590       2170     464  SINET-AS Research Organization of Informa
  2152         511        507      99  CENIC-2152, US
 36914         449         82       3  KENET-AS, KE
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  2018         381        319      71  TENET-1, ZA
   680         281       1899     248  DFN Verein zur Foerderung eines Deutschen
  2920         229         44      49  LACOE, US
  1916         216        178      42  Rede Nacional de Ensino e Pesquisa, BR
   668         204        632     173  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA

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

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

   ASN  No of nets  Net Savings  Description
 36914         449          446  KENET-AS, KE
  7497         447          423  CSTNET-AS-AP Computer Network Information Cente
  2152         511          412  CENIC-2152, US
  2018         381          310  TENET-1, ZA
  5786         197          196  UPRENET, PR
  2920         229          180  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  1916         216          174  Rede Nacional de Ensino e Pesquisa, BR
  4758         171          170  NICNET-VSNL-BOARDER-AP National Informatics Cen
 18558         141          136  NETBLK-RCOEK, US

Complete listing at https://bgp.nsrc.org/REN/DrukREN/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
     65200  PRIVATE      103.11.32.0/22          132124  ICTA-LK Information and
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US
     65200  PRIVATE      220.247.225.0/24        132124  ICTA-LK Information and

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

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       /10:1       /11:1       /12:11      
/13:18      /14:33      /15:118     /16:1990    /17:427     /18:460     
/19:590     /20:889     /21:892     /22:1493    /23:1613    /24:11087   
/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
  7497         263         447  CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
  5786         196         197  UPRENET, PR
  4758         170         171  NICNET-VSNL-BOARDER-AP National Informatics Centre, IN
 28391         154         154  Universidad Juarez Autonoma de Tabasco, MX
 58647         149         180  KAGAWAU-AS Kagawa University, JP
 55824         144         151  NKN-CORE-NW NKN Core Network, IN
 36914         127         449  KENET-AS, KE
  2018         123         381  TENET-1, ZA
  2920         123         229  LACOE, US
  2152         110         511  CENIC-2152, US

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

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

   1:1         5:15        6:4         8:2        12:1        14:92     
  23:8        24:3        31:1        35:3        37:8        38:10     
  40:1        41:159      42:11       44:5        45:50       46:4      
  47:1        49:10       50:4        52:1        59:19       60:6      
  61:3        62:9        63:38       64:45       65:4        66:55     
  67:42       68:12       69:19       70:2        71:1        72:7      
  74:54       76:42       77:10       78:3        79:10       80:12     
  81:25       82:7        83:7        84:5        85:45       86:5      
  87:1        89:11       91:42       92:2        93:13       94:2      
  95:2        96:5        97:1        98:2       101:1       102:11     
 103:287     104:78      107:2       108:8       109:4       111:20     
 113:2       114:24      116:9       117:61      118:33      119:23     
 121:27      122:8       123:8       124:42      125:5       128:55     
 129:36      130:97      131:61      132:65      133:154     134:178    
 136:197     137:96      138:58      139:6       140:36      141:3      
 142:52      143:26      144:28      145:2       146:137     147:63     
 148:196     149:12      150:40      151:9       152:140     153:14     
 154:39      155:63      156:133     157:27      158:30      159:118    
 160:31      161:16      162:24      163:64      164:165     165:49     
 166:1       167:26      168:120     169:7       170:96      171:1      
 172:2       173:7       175:16      177:6       179:13      180:16     
 182:11      184:2       185:54      186:3       187:21      188:13     
 189:2       190:18      191:13      192:1399    193:273     194:136    
 195:75      196:146     197:322     198:545     199:277     200:331    
 201:37      202:636     203:440     204:407     205:175     206:215    
 207:311     208:67      209:155     210:217     211:3       212:164    
 213:6       214:8       216:90      217:9       218:21      219:5      
 220:17      222:2       223:15     

End of report


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