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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Jan 18 19:00:40 UTC 2024


IPv4 R&E Routing Table Report   19:00 GMT Thu 18 Jan, 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:                               19215
    Prefixes after maximum aggregation (per Origin AS):           10577
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       11640
    Number of IPv4 prefixes with a valid ROA:                      6083
    Number of IPv4 prefixes with an invalid ROA:                     14
    Number of IPv4 prefixes with no ROA:                          13118
Total ASes present in the Internet Routing Table:                  2750
    Prefixes per ASN:                                              6.99
Origin-only ASes present in the Internet Routing Table:            2374
Origin ASes announcing only one prefix:                            1077
Transit ASes present in the Internet Routing Table:                 376
Transit-only ASes present in the Internet Routing Table:             69
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      17
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                19
    Number of instances of unregistered ASNs:                        19
Number of 32-bit ASNs allocated by the RIRs:                      43414
Number of 32-bit ASNs visible in the Routing Table:                 632
Prefixes from 32-bit ASNs in the Routing Table:                    1922
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:                    201155328
    Equivalent to 11 /8s, 253 /16s and 99 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        2333

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

Prefixes being announced by APNIC Region ASes:                     4697
    Total APNIC prefixes after maximum aggregation:                2238
    APNIC Deaggregation factor:                                    2.10
Prefixes being announced from the APNIC address blocks:            4700
    Unique aggregates announced from the APNIC address blocks:     2530
APNIC Region origin ASes present in the Internet Routing Table:     517
    APNIC Prefixes per ASN:                                        9.09
APNIC Region origin ASes announcing only one prefix:                228
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    188
Number of APNIC addresses announced to Internet:               45523456
    Equivalent to 2 /8s, 182 /16s and 162 /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:                      8282
    Total ARIN prefixes after maximum aggregation:                 4679
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:             8313
    Unique aggregates announced from the ARIN address blocks:      5186
ARIN Region origin ASes present in the Internet Routing Table:     1262
    ARIN Prefixes per ASN:                                         6.59
ARIN Region origin ASes announcing only one prefix:                 452
ARIN Region transit ASes present in the Internet Routing Table:     164
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:     200
Number of ARIN addresses announced to Internet:                91141120
    Equivalent to 5 /8s, 110 /16s and 180 /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:                      3587
    Total RIPE prefixes after maximum aggregation:                 2897
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3572
    Unique aggregates announced from the RIPE address blocks:      2930
RIPE Region origin ASes present in the Internet Routing Table:      683
    RIPE Prefixes per ASN:                                         5.23
RIPE Region origin ASes announcing only one prefix:                 309
RIPE Region transit ASes present in the Internet Routing Table:     103
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     148
Number of RIPE addresses announced to Internet:                57680128
    Equivalent to 3 /8s, 112 /16s and 33 /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:                    1367
    Total LACNIC prefixes after maximum aggregation:                567
    LACNIC Deaggregation factor:                                   2.41
Prefixes being announced from the LACNIC address blocks:           1365
    Unique aggregates announced from the LACNIC address blocks:     761
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       8.32
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    68
Number of LACNIC addresses announced to Internet:               4140032
    Equivalent to 0 /8s, 63 /16s and 44 /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:                   1263
    Total AfriNIC prefixes after maximum aggregation:               180
    AfriNIC Deaggregation factor:                                  7.02
Prefixes being announced from the AfriNIC address blocks:          1263
    Unique aggregates announced from the AfriNIC address blocks:    231
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     24.76
AfriNIC Region origin ASes announcing only one prefix:               27
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2670080
    Equivalent to 0 /8s, 40 /16s and 190 /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         590       2162     464  SINET-AS Research Organization of Infor
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  1237         193         74     142  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        329     119  AARNET-AS-AP Australian Academic and Re
  4758         167         16       1  NICNET-VSNL-BOARDER-AP National Informa
 55824         150         20      36  NKN-CORE-NW NKN Core Network, IN
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  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         385        507      96  CSUNET-NW, US
   668         204        652     173  DNIC-AS-00668, US
   376         200        162     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  NCREN, US
 23024         109          7      22  OCDE, US
  2920         105         34       9  LACOE, US
 21976          80         51      18  NJEDGE-NET, US
  1736          79         16       1  MU-AS, 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         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         131         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          81        676      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
  3267          79         44      68  RUNNET, RU
   553          78        462      78  BELWUE BelWue-Koordination, DE

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
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         149        176      42  Rede Nacional de Ensino e Pesquisa, BR
 11340         106         24      50  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         17       3  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO

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         483         82       3  KENET-AS, KE
  2018         379        319      71  TENET-1, ZA
327687         161         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          46         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37215          11          8       1  MAREN, MW
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 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       2162     464  SINET-AS Research Organization of Infor
 36914         483         82       3  KENET-AS, KE
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  2152         385        507      96  CSUNET-NW, US
  2018         379        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   668         204        652     173  DNIC-AS-00668, US
   376         200        162     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  1237         193         74     142  KREONET-AS-KR KISTI, KR

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         483          480  KENET-AS, KE
  7497         439          416  CSTNET-AS-AP Computer Network Information Cente
  2018         379          308  TENET-1, ZA
  2152         385          289  CSUNET-NW, US
  5786         197          196  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  4758         167          166  NICNET-VSNL-BOARDER-AP National Informatics Cen
327687         161          158  RENU, UG
 18558         141          137  NETBLK-RCOEK, US
  8895         131          126  ISU Internet Services Unit ISU, SA

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 Comm
     11570  UNALLOCATED  63.225.1.0/24            40498  ABQG, US
     26303  UNALLOCATED  76.165.220.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.221.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.222.0/24          32440  LONI, US
     65200  PRIVATE      103.11.32.0/22          132124  ICTA-LK Information and Comm
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

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

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

Unassigned Network     ASN Information  AS Name
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:      1835  FSKNET-DK Forskningsnettet - Danish netw
192.88.99.0/24      Transit:      2603  NORDUNET, DK

Complete listing at https://bgp.nsrc.org/REN/DrukREN/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       /10:1       /11:1       /12:10      
/13:18      /14:33      /15:121     /16:1992    /17:425     /18:450     
/19:580     /20:892     /21:892     /22:1524    /23:1586    /24:10689   
/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         468         483  KENET-AS, KE
  8895         126         131  ISU Internet Services Unit ISU, SA
 23024          52         109  OCDE, US
  2152          42         385  CSUNET-NW, US
327700          40          46  MoRENet, MZ
 32440          38          62  LONI, US
  3267          36          79  RUNNET, RU
 18632          34          66  VOLCANO-VISION, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, 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        14:89     
  23:6        24:3        31:7        35:6        38:8        40:1      
  41:180      42:10       44:7        45:43       46:5        47:1      
  49:9        50:3        52:1        58:1        59:19       60:6      
  61:3        62:10       63:37       64:57       65:5        66:54     
  67:43       68:10       69:17       70:2        71:1        72:7      
  74:51       76:42       77:9        78:3        79:10       80:12     
  81:25       82:7        83:7        84:8        85:43       86:4      
  87:1        89:10       91:49       92:2        93:4        94:4      
  95:2        96:5        97:2        98:2       101:2       102:38     
 103:227     104:76      107:16      108:10      109:7       111:16     
 114:24      116:8       117:61      118:32      119:19      121:27     
 122:8       123:8       124:40      125:5       128:85      129:45     
 130:84      131:65      132:52      133:155     134:109     136:196    
 137:140     138:57      139:5       140:39      141:3       142:39     
 143:22      144:26      145:2       146:132     147:56      148:194    
 149:12      150:43      151:12      152:132     153:14      154:29     
 155:63      156:67      157:18      158:32      159:115     160:30     
 161:16      162:26      163:83      164:165     165:47      166:1      
 167:13      168:118     169:7       170:102     171:1       172:3      
 173:7       175:18      176:8       177:6       179:12      180:15     
 181:1       182:1       184:2       185:56      186:3       187:17     
 188:14      189:3       190:18      191:13      192:1368    193:270    
 194:143     195:77      196:203     197:331     198:532     199:276    
 200:270     201:37      202:623     203:423     204:370     205:148    
 206:199     207:216     208:76      209:151     210:193     211:14     
 212:158     213:5       214:8       216:83      217:9       218:22     
 219:5       220:14      222:2       223:14     

End of report


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