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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Feb 23 18:45:42 UTC 2024


IPv4 R&E Routing Table Report   18:45 GMT Fri 23 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:                               15893
    Prefixes after maximum aggregation (per Origin AS):            8175
    Deaggregation factor:                                          1.94
    Unique aggregates announced (without unneeded subnets):        9423
    Number of IPv4 prefixes with a valid ROA:                      4589
    Number of IPv4 prefixes with an invalid ROA:                      7
    Number of IPv4 prefixes with no ROA:                          11297
Total ASes present in the Internet Routing Table:                  2192
    Prefixes per ASN:                                              7.25
Origin-only ASes present in the Internet Routing Table:            1907
Origin ASes announcing only one prefix:                             813
Transit ASes present in the Internet Routing Table:                 285
Transit-only ASes present in the Internet Routing Table:             51
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:                      43684
Number of 32-bit ASNs visible in the Routing Table:                 499
Prefixes from 32-bit ASNs in the Routing Table:                    1659
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:                    157896192
    Equivalent to 9 /8s, 105 /16s and 78 /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:        1793

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

Prefixes being announced by APNIC Region ASes:                     4400
    Total APNIC prefixes after maximum aggregation:                2123
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4400
    Unique aggregates announced from the APNIC address blocks:     2577
APNIC Region origin ASes present in the Internet Routing Table:     511
    APNIC Prefixes per ASN:                                        8.61
APNIC Region origin ASes announcing only one prefix:                223
APNIC Region transit ASes present in the Internet Routing Table:     50
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    196
Number of APNIC addresses announced to Internet:               45481728
    Equivalent to 2 /8s, 181 /16s and 255 /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:                      7949
    Total ARIN prefixes after maximum aggregation:                 4675
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             7970
    Unique aggregates announced from the ARIN address blocks:      5216
ARIN Region origin ASes present in the Internet Routing Table:     1236
    ARIN Prefixes per ASN:                                         6.45
ARIN Region origin ASes announcing only one prefix:                 432
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:     194
Number of ARIN addresses announced to Internet:                92838144
    Equivalent to 5 /8s, 136 /16s and 153 /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:                       928
    Total RIPE prefixes after maximum aggregation:                  650
    RIPE Deaggregation factor:                                     1.43
Prefixes being announced from the RIPE address blocks:              923
    Unique aggregates announced from the RIPE address blocks:       668
RIPE Region origin ASes present in the Internet Routing Table:      200
    RIPE Prefixes per ASN:                                         4.62
RIPE Region origin ASes announcing only one prefix:                  87
RIPE Region transit ASes present in the Internet Routing Table:      29
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:      29
Number of RIPE addresses announced to Internet:                12926720
    Equivalent to 0 /8s, 197 /16s and 63 /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:                    1387
    Total LACNIC prefixes after maximum aggregation:                571
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1385
    Unique aggregates announced from the LACNIC address blocks:     770
LACNIC Region origin ASes present in the Internet Routing Table:    166
    LACNIC Prefixes per ASN:                                       8.34
LACNIC Region origin ASes announcing only one prefix:                62
LACNIC Region transit ASes present in the Internet Routing Table:    27
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:    70
Number of LACNIC addresses announced to Internet:               4218880
    Equivalent to 0 /8s, 64 /16s and 96 /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:                   1214
    Total AfriNIC prefixes after maximum aggregation:               144
    AfriNIC Deaggregation factor:                                  8.43
Prefixes being announced from the AfriNIC address blocks:          1214
    Unique aggregates announced from the AfriNIC address blocks:    191
AfriNIC Region origin ASes present in the Internet Routing Table:    25
    AfriNIC Prefixes per ASN:                                     48.56
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:              2430464
    Equivalent to 0 /8s, 37 /16s and 22 /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         441        180      23  CSTNET-AS-AP Computer Network Informati
  1237         194         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         174        329     117  AARNET-AS-AP Australian Academic and Re
 55824         129         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         125       4176      73  ERX-CERNET-BKB China Education and Rese
  4762          71          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         201        162     151  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         106          7      27  OCDE, US
  2920         102         34       7  LACOE, US
  1736          79         16       1  MU-AS, 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         134         24       5  ISU Internet Services Unit ISU, SA
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  3267          77         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         107         24      51  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  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         494         82       3  KENET-AS, KE
  2018         370        319      71  TENET-1, ZA
327687         159         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          47         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 37215           9          8       1  MAREN, MW
 36982           8         33       8  UCT, ZA

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         494         82       3  KENET-AS, KE
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
  2018         370        319      71  TENET-1, ZA
   668         203        648     172  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         194         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         174        329     117  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         494          491  KENET-AS, KE
  7497         441          418  CSTNET-AS-AP Computer Network Information Cente
  2018         370          299  TENET-1, ZA
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
327687         159          156  RENU, UG
 18558         141          137  NETBLK-RCOEK, US
  8895         134          129  ISU Internet Services Unit ISU, SA
 55824         129          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           3912  CHECS, US
     11570  UNALLOCATED  192.207.226.0/24          3912  CHECS, US
     11570  UNALLOCATED  198.59.106.0/24           3912  CHECS, US
     11570  UNALLOCATED  198.59.107.0/24           3912  CHECS, US
     11570  UNALLOCATED  198.59.108.0/24           3912  CHECS, US
     11570  UNALLOCATED  198.59.188.0/24           3912  CHECS, 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      /16:1440    /17:365     /18:397     
/19:470     /20:707     /21:674     /22:1205    /23:1262    /24:9228    
/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         479         494  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          52         106  OCDE, US
327700          41          47  MoRENet, MZ
 32440          37          60  LONI, US
  3267          35          77  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        41:179    
  42:10       44:4        45:37       47:1        49:9        50:1      
  52:1        59:18       60:6        61:3        62:4        63:33     
  64:44       65:1        66:45       67:41       68:10       69:17     
  70:2        71:1        72:7        74:48       76:40       77:8      
  80:3        81:1        82:3        83:1        84:5        85:19     
  86:4        87:1        89:2        91:16       92:2        93:1      
  96:5        97:1        98:2       101:2       102:27      103:260    
 104:73      108:10      109:6       111:16      114:24      116:8      
 117:61      118:32      119:19      121:18      122:8       123:8      
 124:42      125:5       128:83      129:33      130:83      131:59     
 132:59      133:157     134:107     136:197     137:132     138:57     
 139:5       140:38      141:3       142:39      143:21      144:23     
 146:133     147:54      148:188     149:12      150:43      151:12     
 152:133     153:2       154:29      155:63      156:66      157:18     
 158:34      159:114     160:30      161:14      162:22      163:86     
 164:14      165:47      166:1       167:13      168:118     169:7      
 170:89      171:1       172:3       173:7       175:25      176:8      
 177:6       179:12      180:14      181:1       182:1       184:3      
 185:13      186:3       187:17      188:4       189:3       190:17     
 191:13      192:1078    193:36      194:56      195:28      196:196    
 197:342     198:472     199:273     200:273     201:37      202:573    
 203:423     204:356     205:130     206:180     207:144     208:72     
 209:113     210:194     211:14      212:120     213:2       214:8      
 216:81      218:22      219:5       220:17      222:1       223:14     


End of report


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