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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Sep 26 18:45:39 UTC 2024


IPv4 R&E Routing Table Report   18:45 GMT Thu 26 Sep, 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:                               16682
    Prefixes after maximum aggregation (per Origin AS):            8454
    Deaggregation factor:                                          1.97
    Unique aggregates announced (without unneeded subnets):        9542
    Number of IPv4 prefixes with a valid ROA:                      5501
    Number of IPv4 prefixes with an invalid ROA:                      6
    Number of IPv4 prefixes with no ROA:                          11175
Total ASes present in the Internet Routing Table:                  2247
    Prefixes per ASN:                                              7.42
Origin-only ASes present in the Internet Routing Table:            1962
Origin ASes announcing only one prefix:                             817
Transit ASes present in the Internet Routing Table:                 285
Transit-only ASes present in the Internet Routing Table:             52
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      16
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      45428
Number of 32-bit ASNs visible in the Routing Table:                 533
Prefixes from 32-bit ASNs in the Routing Table:                    1599
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:              5
Number of addresses announced to Internet:                    159535616
    Equivalent to 9 /8s, 130 /16s and 82 /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:        1813

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

Prefixes being announced by APNIC Region ASes:                     4663
    Total APNIC prefixes after maximum aggregation:                2287
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4658
    Unique aggregates announced from the APNIC address blocks:     2621
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        8.04
APNIC Region origin ASes announcing only one prefix:                244
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    228
Number of APNIC addresses announced to Internet:               45755136
    Equivalent to 2 /8s, 186 /16s and 43 /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:                      8631
    Total ARIN prefixes after maximum aggregation:                 4877
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:             8639
    Unique aggregates announced from the ARIN address blocks:      5369
ARIN Region origin ASes present in the Internet Routing Table:     1256
    ARIN Prefixes per ASN:                                         6.88
ARIN Region origin ASes announcing only one prefix:                 434
ARIN Region transit ASes present in the Internet Routing Table:     152
Average ARIN Region AS path length visible:                         4.5
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     204
Number of ARIN addresses announced to Internet:                92354048
    Equivalent to 5 /8s, 129 /16s and 54 /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      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:                       887
    Total RIPE prefixes after maximum aggregation:                  614
    RIPE Deaggregation factor:                                     1.44
Prefixes being announced from the RIPE address blocks:              882
    Unique aggregates announced from the RIPE address blocks:       649
RIPE Region origin ASes present in the Internet Routing Table:      184
    RIPE Prefixes per ASN:                                         4.79
RIPE Region origin ASes announcing only one prefix:                  78
RIPE Region transit ASes present in the Internet Routing Table:      27
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:      31
Number of RIPE addresses announced to Internet:                14937600
    Equivalent to 0 /8s, 227 /16s and 238 /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:                    1405
    Total LACNIC prefixes after maximum aggregation:                535
    LACNIC Deaggregation factor:                                   2.63
Prefixes being announced from the LACNIC address blocks:           1403
    Unique aggregates announced from the LACNIC address blocks:     716
LACNIC Region origin ASes present in the Internet Routing Table:    153
    LACNIC Prefixes per ASN:                                       9.17
LACNIC Region origin ASes announcing only one prefix:                52
LACNIC Region transit ASes present in the Internet Routing Table:    24
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:    62
Number of LACNIC addresses announced to Internet:               4201728
    Equivalent to 0 /8s, 64 /16s and 29 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   1095
    Total AfriNIC prefixes after maximum aggregation:               140
    AfriNIC Deaggregation factor:                                  7.82
Prefixes being announced from the AfriNIC address blocks:          1095
    Unique aggregates announced from the AfriNIC address blocks:    183
AfriNIC Region origin ASes present in the Internet Routing Table:    22
    AfriNIC Prefixes per ASN:                                     49.77
AfriNIC Region origin ASes announcing only one prefix:                9
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      2.8
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    8
Number of AfriNIC addresses announced to Internet:              2278400
    Equivalent to 0 /8s, 34 /16s and 196 /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         588       2169     464  SINET-AS Research Organization of Informa
  7497         451        212      25  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
 55824         133         19      20  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Resear
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          61         35       9  UNINET-AS-AP UNINET-, TH
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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
  2152         458        507      98  CENIC-2152, US
  2920         224         44      45  LACOE, US
   668         204        632     173  DNIC-AS-00668, US
   376         200        162     149  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         140         18       4  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
   270         117        328      81  AS270, US
 23024          95          7      21  OCDE, US
 21976          87         50      17  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         135         24       5  ISU Internet Services Unit ISU, SA
  1103          97       2015      84  SURFNET-NL SURFnet, The Netherlands, NL
  3267          77         26      67  NIKS, RU
  1653          53        150      50  SUNET SUNET Swedish University Network, E
  1741          39        149      18  FUNETAS, FI
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          15          2      11  NETNOD-IX Netnod AB, SE
  1880          14          1       7  STUPI, SE
   224          13        256      13  UNINETT UNINETT, The Norwegian University
  1101          13        481      13  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
  1916         179        180      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          50          5      17  CEDIA, EC
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  3596          37          8       4  Universidad Autonoma Metropolitana, MX

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         520         82       3  KENET-AS, KE
  2018         379        319      71  TENET-1, ZA
327700          49         16       1  MoRENet, MZ
  8094          47         48      18  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37654           6          1       6  RwEdNet-AS, RW
 37520           3         16       3  Rhodes-Univ, 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         588       2169     464  SINET-AS Research Organization of Informa
 36914         520         82       3  KENET-AS, KE
  2152         458        507      98  CENIC-2152, US
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  2018         379        319      71  TENET-1, ZA
  2920         224         44      45  LACOE, US
   668         204        632     173  DNIC-AS-00668, US
   376         200        162     149  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         191         74     145  KREONET-AS-KR KISTI, KR

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         520          517  KENET-AS, KE
  7497         451          426  CSTNET-AS-AP Computer Network Information Cente
  2152         458          360  CENIC-2152, US
  2018         379          308  TENET-1, ZA
  5786         198          197  UPRENET, PR
  2920         224          179  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  1916         179          138  Rede Nacional de Ensino e Pesquisa, BR
 18558         140          136  NETBLK-RCOEK, US
  8895         135          130  ISU Internet Services Unit ISU, SA

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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

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

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

Unassigned Network     ASN Information  AS Name
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
203.9.156.0/24       Origin:      1851  ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24      Transit:      7575  AARNET-AS-AP Australian Academic and Res

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       /11:2       /12:9       
/13:17      /14:30      /15:88      /16:1474    /17:369     /18:406     
/19:497     /20:746     /21:704     /22:1171    /23:1345    /24:9822    
/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         499         520  KENET-AS, KE
  8895         130         135  ISU Internet Services Unit ISU, SA
  2152          48         458  CENIC-2152, US
327700          43          49  MoRENet, MZ
 23024          37          95  OCDE, US
 32440          37          64  LONI, US
  3267          35          77  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, 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        14:92     
  23:6        24:3        35:7        38:10       40:1        41:249    
  42:10       44:4        45:44       47:1        49:11       50:3      
  52:1        58:1        59:19       60:6        61:3        62:3      
  63:33       64:44       65:1        66:37       67:41       68:12     
  69:18       70:2        71:1        72:7        74:50       76:42     
  77:8        80:5        81:1        82:4        83:1        84:2      
  85:20       86:5        87:1        89:2        91:8        92:2      
  93:1        96:5        97:1        98:2       101:1       102:2      
 103:320     104:79      108:10      109:3       111:16      113:2      
 114:24      116:9       117:61      118:34      119:25      121:27     
 122:8       123:8       124:42      125:5       128:49      129:29     
 130:95      131:58      132:65      133:154     134:106     136:198    
 137:79      138:57      139:6       140:36      141:3       142:52     
 143:24      144:26      146:134     147:60      148:188     149:13     
 150:40      151:9       152:139     153:3       154:29      155:63     
 156:132     157:26      158:31      159:119     160:30      161:17     
 162:24      163:61      164:14      165:47      166:1       167:26     
 168:119     169:7       170:89      171:1       172:2       173:7      
 175:17      177:5       179:9       180:16      182:9       184:7      
 185:10      186:3       187:21      188:4       189:4       190:18     
 191:13      192:1089    193:38      194:56      195:29      196:146    
 197:311     198:551     199:276     200:302     201:38      202:641    
 203:437     204:401     205:167     206:209     207:296     208:66     
 209:140     210:217     211:3       212:127     213:2       214:8      
 216:90      218:21      219:5       220:17      222:2       223:16     


End of report


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