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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Feb 8 18:45:40 UTC 2024


IPv4 R&E Routing Table Report   18:45 GMT Thu 08 Feb, 2024

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

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

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

BGP routing table entries examined:                               15809
    Prefixes after maximum aggregation (per Origin AS):            8133
    Deaggregation factor:                                          1.94
    Unique aggregates announced (without unneeded subnets):        9366
    Number of IPv4 prefixes with a valid ROA:                      4527
    Number of IPv4 prefixes with an invalid ROA:                      9
    Number of IPv4 prefixes with no ROA:                          11273
Total ASes present in the Internet Routing Table:                  2183
    Prefixes per ASN:                                              7.24
Origin-only ASes present in the Internet Routing Table:            1893
Origin ASes announcing only one prefix:                             805
Transit ASes present in the Internet Routing Table:                 290
Transit-only ASes present in the Internet Routing Table:             56
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      14
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      43576
Number of 32-bit ASNs visible in the Routing Table:                 493
Prefixes from 32-bit ASNs in the Routing Table:                    1653
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:              1
Number of addresses announced to Internet:                    157707776
    Equivalent to 9 /8s, 102 /16s and 110 /24s
    Percentage of available address space announced:                4.3
    Percentage of allocated address space announced:                4.3
    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:        1789

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

Prefixes being announced by APNIC Region ASes:                     4335
    Total APNIC prefixes after maximum aggregation:                2076
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            4335
    Unique aggregates announced from the APNIC address blocks:     2516
APNIC Region origin ASes present in the Internet Routing Table:     499
    APNIC Prefixes per ASN:                                        8.69
APNIC Region origin ASes announcing only one prefix:                215
APNIC Region transit ASes present in the Internet Routing Table:     50
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    190
Number of APNIC addresses announced to Internet:               45369088
    Equivalent to 2 /8s, 180 /16s and 71 /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:                      7952
    Total ARIN prefixes after maximum aggregation:                 4669
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             7974
    Unique aggregates announced from the ARIN address blocks:      5217
ARIN Region origin ASes present in the Internet Routing Table:     1231
    ARIN Prefixes per ASN:                                         6.48
ARIN Region origin ASes announcing only one prefix:                 430
ARIN Region transit ASes present in the Internet Routing Table:     158
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     192
Number of ARIN addresses announced to Internet:                92829952
    Equivalent to 5 /8s, 136 /16s and 121 /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:                       942
    Total RIPE prefixes after maximum aggregation:                  660
    RIPE Deaggregation factor:                                     1.43
Prefixes being announced from the RIPE address blocks:              937
    Unique aggregates announced from the RIPE address blocks:       682
RIPE Region origin ASes present in the Internet Routing Table:      204
    RIPE Prefixes per ASN:                                         4.59
RIPE Region origin ASes announcing only one prefix:                  90
RIPE Region transit ASes present in the Internet Routing Table:      31
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:      30
Number of RIPE addresses announced to Internet:                12930304
    Equivalent to 0 /8s, 197 /16s and 77 /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:                    1368
    Total LACNIC prefixes after maximum aggregation:                572
    LACNIC Deaggregation factor:                                   2.39
Prefixes being announced from the LACNIC address blocks:           1365
    Unique aggregates announced from the LACNIC address blocks:     760
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:    26
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    71
Number of LACNIC addresses announced to Internet:               4136192
    Equivalent to 0 /8s, 63 /16s and 29 /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:                   1197
    Total AfriNIC prefixes after maximum aggregation:               144
    AfriNIC Deaggregation factor:                                  8.31
Prefixes being announced from the AfriNIC address blocks:          1197
    Unique aggregates announced from the AfriNIC address blocks:    190
AfriNIC Region origin ASes present in the Internet Routing Table:    26
    AfriNIC Prefixes per ASN:                                     46.04
AfriNIC Region origin ASes announcing only one prefix:                9
AfriNIC Region transit ASes present in the Internet Routing Table:    6
Average AfriNIC Region AS path length visible:                      3.0
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   10
Number of AfriNIC addresses announced to Internet:              2441984
    Equivalent to 0 /8s, 37 /16s and 67 /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         591       2162     464  SINET-AS Research Organization of Infor
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  1237         194         74     142  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         177        329     119  AARNET-AS-AP Australian Academic and Re
 55824         128         19      18  NKN-CORE-NW NKN Core Network, IN
  4538         124       4176      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
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         203        648     172  DNIC-AS-00668, US
   376         200        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2152         144        507      93  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  NCREN, US
   270         117        328      81  AS270, US
 23024         109          7      22  OCDE, US
  2920         103         34       7  LACOE, US
 21976          81         51      19  NJEDGE-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8895         133         24       5  ISU Internet Services Unit ISU, SA
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  3267          79         44      68  RUNNET, RU
  1653          50        151      47  SUNET SUNET Swedish University Network,
  1741          39        149      18  FUNETAS, FI
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          16          2      11  NETNOD-IX Netnod AB, SE
  1880          14          1       7  STUPI, SE
   224          13        256      13  UNINETT UNINETT, The Norwegian Universi
  1101          12        465      12  IP-EEND-AS IP-EEND BV, NL

Complete listing at https://bgp.nsrc.org/REN/TENET/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         102         24      54  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/TENET/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         489         82       3  KENET-AS, KE
  2018         359        319      69  TENET-1, ZA
327687         161         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 36982           8         33       8  UCT, ZA
 37215           8          8       1  MAREN, MW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         591       2162     464  SINET-AS Research Organization of Infor
 36914         489         82       3  KENET-AS, KE
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  2018         359        319      69  TENET-1, ZA
   668         203        648     172  DNIC-AS-00668, US
   376         200        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         194         74     142  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         177        329     119  AARNET-AS-AP Australian Academic and Re

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

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

   ASN  No of nets  Net Savings  Description
 36914         489          486  KENET-AS, KE
  7497         439          416  CSTNET-AS-AP Computer Network Information Cente
  2018         359          290  TENET-1, ZA
  5786         198          197  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
327687         161          158  RENU, UG
 18558         141          137  NETBLK-RCOEK, US
  8895         133          128  ISU Internet Services Unit ISU, SA
 55824         128          110  NKN-CORE-NW NKN Core Network, IN
  1916         149          107  Rede Nacional de Ensino e Pesquisa, BR

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     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
    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
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US

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

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

Complete listing at https://bgp.nsrc.org/REN/TENET/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       /12:9       
/13:17      /14:30      /15:86      /16:1437    /17:360     /18:398     
/19:466     /20:699     /21:675     /22:1204    /23:1264    /24:9161    
/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         474         489  KENET-AS, KE
  8895         128         133  ISU Internet Services Unit ISU, SA
 23024          52         109  OCDE, US
 32440          38          62  LONI, US
327700          38          43  MoRENet, MZ
  3267          36          79  RUNNET, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:2         4:2         6:4         8:2        12:1        14:89     
  23:6        24:3        35:6        38:8        40:1        41:176    
  42:10       44:4        45:38       47:1        49:9        50:1      
  52:1        59:18       60:6        61:3        62:5        63:32     
  64:44       65:1        66:45       67:41       68:10       69:17     
  70:2        71:1        72:7        74:48       76:41       77:7      
  80:3        81:1        82:4        83:1        84:5        85:19     
  86:4        87:1        89:2        91:17       92:2        93:1      
  96:5        97:1        98:2       101:2       102:27      103:254    
 104:76      108:10      109:6       111:16      114:24      116:8      
 117:61      118:32      119:19      121:17      122:8       123:8      
 124:40      125:5       128:80      129:33      130:83      131:59     
 132:52      133:156     134:106     136:197     137:132     138:57     
 139:5       140:38      141:3       142:39      143:21      144:23     
 146:129     147:54      148:187     149:12      150:43      151:12     
 152:132     153:2       154:29      155:63      156:66      157:18     
 158:35      159:114     160:30      161:14      162:22      163:86     
 164:13      165:47      166:1       167:13      168:118     169:7      
 170:88      171:1       172:3       173:7       175:18      176:8      
 177:6       179:12      180:14      181:1       182:1       184:3      
 185:17      186:3       187:17      188:4       189:3       190:17     
 191:13      192:1060    193:38      194:57      195:32      196:184    
 197:336     198:472     199:272     200:271     201:37      202:574    
 203:424     204:356     205:129     206:189     207:144     208:72     
 209:113     210:189     211:3       212:119     213:3       214:8      
 216:81      218:21      219:5       220:17      222:1       223:14     


End of report


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