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

REN Routing Table Report cscora at frr.nsrc.org
Fri Dec 2 20:25:47 UTC 2022


IPv4 R&E Routing Table Report   20:25 GMT Fri 02 Dec, 2022

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

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

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

BGP routing table entries examined:                               35064
    Prefixes after maximum aggregation (per Origin AS):           14392
    Deaggregation factor:                                          2.44
    Unique aggregates announced (without unneeded subnets):       16306
    Number of IPv4 prefixes with a valid ROA:                     14435
    Number of IPv4 prefixes with an invalid ROA:                    299
    Number of IPv4 prefixes with no ROA:                          20330
Total ASes present in the Internet Routing Table:                  3549
    Prefixes per ASN:                                              9.88
Origin-only ASes present in the Internet Routing Table:            3027
Origin ASes announcing only one prefix:                            1265
Transit ASes present in the Internet Routing Table:                 522
Transit-only ASes present in the Internet Routing Table:             88
Paths with bogon ASNs present in the IPv4 Routing Table:              7
Average AS path length visible in the Internet Routing Table:       6.2
    Max AS path length visible:                                      23
    Max AS path prepend of ASN (136205)                              15
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:                      40756
Number of 32-bit ASNs visible in the Routing Table:                1068
Prefixes from 32-bit ASNs in the Routing Table:                    6408
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:              9
Number of addresses announced to Internet:                    238892544
    Equivalent to 14 /8s, 61 /16s and 54 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    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:        2780

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

Prefixes being announced by APNIC Region ASes:                    20587
    Total APNIC prefixes after maximum aggregation:                5672
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:           20383
    Unique aggregates announced from the APNIC address blocks:     6499
APNIC Region origin ASes present in the Internet Routing Table:    1285
    APNIC Prefixes per ASN:                                       15.86
APNIC Region origin ASes announcing only one prefix:                422
APNIC Region transit ASes present in the Internet Routing Table:    190
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         19
Number of APNIC region 32-bit ASNs visible in the Routing Table:    649
Number of APNIC addresses announced to Internet:               62449920
    Equivalent to 3 /8s, 184 /16s and 233 /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, 131072-151865
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:                      8535
    Total ARIN prefixes after maximum aggregation:                 5055
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             8634
    Unique aggregates announced from the ARIN address blocks:      5727
ARIN Region origin ASes present in the Internet Routing Table:     1284
    ARIN Prefixes per ASN:                                         6.72
ARIN Region origin ASes announcing only one prefix:                 457
ARIN Region transit ASes present in the Internet Routing Table:     170
Average ARIN Region AS path length visible:                         7.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:     185
Number of ARIN addresses announced to Internet:               109722112
    Equivalent to 6 /8s, 138 /16s and 58 /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:                      3729
    Total RIPE prefixes after maximum aggregation:                 2933
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3715
    Unique aggregates announced from the RIPE address blocks:      2986
RIPE Region origin ASes present in the Internet Routing Table:      701
    RIPE Prefixes per ASN:                                         5.30
RIPE Region origin ASes announcing only one prefix:                 308
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         6.9
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     151
Number of RIPE addresses announced to Internet:                59486464
    Equivalent to 3 /8s, 139 /16s and 177 /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
                       196608-213403
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:                    1226
    Total LACNIC prefixes after maximum aggregation:                501
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1228
    Unique aggregates announced from the LACNIC address blocks:     716
LACNIC Region origin ASes present in the Internet Routing Table:    131
    LACNIC Prefixes per ASN:                                       9.37
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    20
Average LACNIC Region AS path length visible:                       8.6
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    57
Number of LACNIC addresses announced to Internet:               4536576
    Equivalent to 0 /8s, 69 /16s and 57 /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:                    972
    Total AfriNIC prefixes after maximum aggregation:               217
    AfriNIC Deaggregation factor:                                  4.48
Prefixes being announced from the AfriNIC address blocks:          1095
    Unique aggregates announced from the AfriNIC address blocks:    369
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     22.35
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      7.5
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2694400
    Equivalent to 0 /8s, 41 /16s and 29 /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
 23969        1976        314      16  TOT-NET TOT Public Company Limited, TH
  7470         724        532      44  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         683        171      57  NCIC-TW New Century InfoComm Tech Co., 
131090         622         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         569       2156     456  SINET-AS Research Organization of Infor
  4621         515         73      18  UNINET-AS-AP UNINET-, TH
 45458         481         35      65  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  9931         444         70      34  CAT-AP The Communication Authoity of Th
131596         439         83       9  TBCOM-NET TBC, TW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         219        702     180  DNIC-AS-00668, US
  2152         204        507      92  CSUNET-NW, US
   376         203        178     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
 23024         113          7      17  OCDE, US
  8075         109       4108     105  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2920         108         34       7  LACOE, US
 19551         103          6      74  INCAPSULA, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1935     249  DFN Verein zur Foerderung eines Deutsch
   786         188       1775     183  JANET Jisc Services Limited, GB
  8895         135         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         101       1520      87  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          94        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          62        598      58  FR-RENATER Reseau National de telecommu

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         158        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          96         24      54  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 61468          42          3      15  CEDIA, EC
 28571          40         40      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         375        319      72  TENET-1, ZA
 36914         247         82       3  KENET-AS, KE
  2561          68          4      33  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          41         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          20          1      16  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 23969        1976        314      16  TOT-NET TOT Public Company Limited, TH
  7470         724        532      44  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         683        171      57  NCIC-TW New Century InfoComm Tech Co., 
131090         622         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         569       2156     456  SINET-AS Research Organization of Infor
  4621         515         73      18  UNINET-AS-AP UNINET-, TH
 45458         481         35      65  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  9931         444         70      34  CAT-AP The Communication Authoity of Th
131596         439         83       9  TBCOM-NET TBC, TW

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

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

   ASN  No of nets  Net Savings  Description
  7470         724          680  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
  9919         683          626  NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090         622          614  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  4621         515          497  UNINET-AS-AP UNINET-, TH
  4750         448          434  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
131596         439          430  TBCOM-NET TBC, TW
 45458         481          416  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  9931         444          410  CAT-AP The Communication Authoity of Thailand, 
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
133481         414          384  AIS-FIBRE-AS-AP AIS Fibre, TH

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     56096  UNALLOCATED  27.100.7.0/24            45455  TH-2S1N-AP Two S One N Co Lt
    135546  UNALLOCATED  45.254.232.0/24         133748  CORETELNET-AS-AP CORETEL NET
    135546  UNALLOCATED  45.254.233.0/24         133748  CORETELNET-AS-AP CORETEL NET
    135546  UNALLOCATED  45.254.234.0/24         133748  CORETELNET-AS-AP CORETEL NET
    135546  UNALLOCATED  103.64.139.0/24         133748  CORETELNET-AS-AP CORETEL NET
    138004  UNALLOCATED  103.117.84.0/22          38794  UIH-BBB-AS-AP UIH, TH
    141730  UNALLOCATED  103.161.0.0/24           55423  JASTEL-NETWORK-TH-IDC-AP Jas
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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

Unassigned Network     ASN Information  AS Name
27.100.7.0/24        Origin:     56096  UNASSIGNED
27.100.7.0/24       Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
45.254.232.0/24      Origin:    135546  UNASSIGNED
45.254.232.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.233.0/24      Origin:    135546  UNASSIGNED
45.254.233.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.234.0/24      Origin:    135546  UNASSIGNED
45.254.234.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN
103.64.139.0/24      Origin:    135546  UNASSIGNED
103.64.139.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN

Complete listing at https://bgp.nsrc.org/REN/AIT/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       /10:2       /11:4       /12:12      
/13:25      /14:45      /15:144     /16:2167    /17:617     /18:845     
/19:1085    /20:1374    /21:1605    /22:3633    /23:2634    /24:20715   
/25:2       /26:3       /27:3       /28:3       /29:12      /30:41      
/31:32      /32:60      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         234         247  KENET-AS, KE
132280         153         302  SYMPHONY-AP-TH Symphony Communication Thailand 
  4621         150         515  UNINET-AS-AP UNINET-, TH
  8895         130         135  ISU Internet Services Unit ISU, SA
133481          62         414  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          52         113  OCDE, US
131207          43          76  SINET-KH SINET, Cambodias specialist Internet a
 18632          34          65  VOLCANO-VISION, US
 32440          34          49  LONI, US
 19551          33         103  INCAPSULA, US

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

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

   1:491       5:16        6:4         8:4         9:1        12:1      
  13:38       14:99       16:1        18:43       23:15       24:4      
  27:196      31:7        35:4        36:10       37:30       38:22     
  39:5        40:2        41:132      42:19       43:233      44:5      
  45:183      46:5        47:6        49:522      50:5        52:3      
  58:305      59:29       60:56       61:382      62:12       63:39     
  64:59       65:10       66:59       67:45       68:8        69:23     
  70:2        71:1        72:39       74:53       76:38       77:9      
  78:3        79:11       80:17       81:28       82:8        83:35     
  84:8        85:41       86:6        87:7        88:1        89:10     
  90:1        91:49       92:1        93:4        94:4        95:4      
  96:69       97:3        98:2       101:111     102:14      103:1333   
 104:77      106:75      107:52      108:8       109:9       110:469    
 111:124     112:45      113:146     114:44      115:141     116:74     
 117:79      118:378     119:301     120:6       121:33      122:317    
 123:104     124:159     125:201     128:94      129:46      130:89     
 131:78      132:58      133:146     134:309     136:220     137:81     
 138:10      139:19      140:64      141:15      142:39      143:33     
 144:41      145:3       146:156     147:86      148:193     149:15     
 150:156     151:7       152:76      153:14      154:123     155:52     
 156:78      157:30      158:40      159:258     160:27      161:94     
 162:23      163:96      164:89      165:87      166:3       167:54     
 168:156     169:10      170:34      171:193     172:6       173:8      
 175:102     176:10      177:10      179:9       180:130     181:5      
 182:232     183:36      184:14      185:77      186:3       187:19     
 188:15      189:3       190:17      191:39      192:1401    193:323    
 194:156     195:96      196:162     197:150     198:527     199:293    
 200:189     201:39      202:1307    203:1608    204:374     205:142    
 206:205     207:185     208:78      209:144     210:555     211:28     
 212:169     213:7       214:8       216:86      217:13      218:151    
 219:12      220:52      221:36      222:7       223:95     

End of report


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