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

REN Routing Table Report cscora at frr.nsrc.org
Tue Feb 14 20:25:46 UTC 2023


IPv4 R&E Routing Table Report   20:25 GMT Tue 14 Feb, 2023

  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:                               35140
    Prefixes after maximum aggregation (per Origin AS):           14331
    Deaggregation factor:                                          2.45
    Unique aggregates announced (without unneeded subnets):       16155
    Number of IPv4 prefixes with a valid ROA:                     14854
    Number of IPv4 prefixes with an invalid ROA:                    264
    Number of IPv4 prefixes with no ROA:                          20022
Total ASes present in the Internet Routing Table:                  3552
    Prefixes per ASN:                                              9.89
Origin-only ASes present in the Internet Routing Table:            3032
Origin ASes announcing only one prefix:                            1248
Transit ASes present in the Internet Routing Table:                 520
Transit-only ASes present in the Internet Routing Table:             91
Paths with bogon ASNs present in the IPv4 Routing Table:              6
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:                11
    Number of instances of unregistered ASNs:                        11
Number of 32-bit ASNs allocated by the RIRs:                      41188
Number of 32-bit ASNs visible in the Routing Table:                1072
Prefixes from 32-bit ASNs in the Routing Table:                    6449
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:              6
Number of addresses announced to Internet:                    237036800
    Equivalent to 14 /8s, 32 /16s and 229 /24s
    Percentage of available address space announced:                6.4
    Percentage of allocated address space announced:                6.4
    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:        2653

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

Prefixes being announced by APNIC Region ASes:                    20764
    Total APNIC prefixes after maximum aggregation:                5610
    APNIC Deaggregation factor:                                    3.70
Prefixes being announced from the APNIC address blocks:           20569
    Unique aggregates announced from the APNIC address blocks:     6407
APNIC Region origin ASes present in the Internet Routing Table:    1258
    APNIC Prefixes per ASN:                                       16.35
APNIC Region origin ASes announcing only one prefix:                401
APNIC Region transit ASes present in the Internet Routing Table:    189
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:    646
Number of APNIC addresses announced to Internet:               60902656
    Equivalent to 3 /8s, 161 /16s and 77 /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:                      8508
    Total ARIN prefixes after maximum aggregation:                 5053
    ARIN Deaggregation factor:                                     1.68
Prefixes being announced from the ARIN address blocks:             8600
    Unique aggregates announced from the ARIN address blocks:      5715
ARIN Region origin ASes present in the Internet Routing Table:     1286
    ARIN Prefixes per ASN:                                         6.69
ARIN Region origin ASes announcing only one prefix:                 454
ARIN Region transit ASes present in the Internet Routing Table:     169
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:     190
Number of ARIN addresses announced to Internet:               109327360
    Equivalent to 6 /8s, 132 /16s and 52 /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:                      3731
    Total RIPE prefixes after maximum aggregation:                 2941
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3728
    Unique aggregates announced from the RIPE address blocks:      2999
RIPE Region origin ASes present in the Internet Routing Table:      711
    RIPE Prefixes per ASN:                                         5.24
RIPE Region origin ASes announcing only one prefix:                 319
RIPE Region transit ASes present in the Internet Routing Table:     103
Average RIPE Region AS path length visible:                         7.0
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     153
Number of RIPE addresses announced to Internet:                59575296
    Equivalent to 3 /8s, 141 /16s and 12 /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:                    1357
    Total LACNIC prefixes after maximum aggregation:                558
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1357
    Unique aggregates announced from the LACNIC address blocks:     778
LACNIC Region origin ASes present in the Internet Routing Table:    150
    LACNIC Prefixes per ASN:                                       9.05
LACNIC Region origin ASes announcing only one prefix:                52
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       9.0
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    59
Number of LACNIC addresses announced to Internet:               4566528
    Equivalent to 0 /8s, 69 /16s and 174 /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:                    769
    Total AfriNIC prefixes after maximum aggregation:               158
    AfriNIC Deaggregation factor:                                  4.87
Prefixes being announced from the AfriNIC address blocks:           880
    Unique aggregates announced from the AfriNIC address blocks:    250
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     18.72
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   10
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:   24
Number of AfriNIC addresses announced to Internet:              2663168
    Equivalent to 0 /8s, 40 /16s and 163 /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        1968        314      16  TOT-NET TOT Public Company Limited, TH
  7470         727        532      45  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         690        171      60  NCIC-TW New Century InfoComm Tech Co., 
131090         611         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         582       2157     461  SINET-AS Research Organization of Infor
 38623         522         21      13  VIETTELCAMBODIA-AS-AP ISPIXP IN CAMBODI
  4621         512         73      18  UNINET-AS-AP UNINET-, TH
 45458         482         35      65  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         451         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  9931         448         70      34  CAT-AP The Communication Authoity of Th

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         211        507      93  CSUNET-NW, US
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
  8075         104       4107     103  MICROSOFT-CORP-MSN-AS-BLOCK, US
 19551         102          6      73  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       1919     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          97       1518      85  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         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          53         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          45         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      14  CEDIA, EC
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
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          98         82       3  KENET-AS, KE
  8094          48         48      15  PUKNET, ZA
327687          43         28       3  RENU, UG
  3208          32          2       1  ARN, DZ
327700          32         16       1  MoRENet, MZ
 37182          31          8       1  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

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        1968        314      16  TOT-NET TOT Public Company Limited, TH
  7470         727        532      45  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         690        171      60  NCIC-TW New Century InfoComm Tech Co., 
131090         611         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         582       2157     461  SINET-AS Research Organization of Infor
 38623         522         21      13  VIETTELCAMBODIA-AS-AP ISPIXP IN CAMBODI
  4621         512         73      18  UNINET-AS-AP UNINET-, TH
 45458         482         35      65  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         451         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  9931         448         70      34  CAT-AP The Communication Authoity of Th

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         727          682  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
  9919         690          630  NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090         611          602  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
 38623         522          509  VIETTELCAMBODIA-AS-AP ISPIXP IN CAMBODIA WITH T
  4621         512          494  UNINET-AS-AP UNINET-, TH
  4750         451          437  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
131596         447          437  TBCOM-NET TBC, TW
 45458         482          417  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  9931         448          414  CAT-AP The Communication Authoity of Thailand, 
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente

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
    141730  UNALLOCATED  103.161.0.0/24           55423  JASTEL-NETWORK-TH-IDC-AP Jas
    138219  UNALLOCATED  103.207.69.0/24          23884  PROENNET-AS Proen Corp Publi
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
     64558  PRIVATE      202.44.52.0/22           23932  WINTH-AS-AP Internet Service
     64558  PRIVATE      202.52.4.0/22            23932  WINTH-AS-AP Internet Service
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US

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

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 
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
103.141.224.0/24     Origin:    136744  DPTL-AS-AP DREAM POWER TECHNOLOGY LIMITE
103.141.224.0/24    Transit:    138678  GTDC-AS-AP Grandbo Technology Developmen
103.161.0.0/24       Origin:    141730  UNASSIGNED
103.161.0.0/24      Transit:     55423  JASTEL-NETWORK-TH-IDC-AP JasTel Network,
103.204.12.0/24      Origin:    134952  UNASSIGNED
103.204.12.0/24     Transit:      7616  JINET-BKK-AS-AP Jasmine Internet Co, Ltd

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      /15:139     /16:2152    /17:611     /18:841     
/19:1084    /20:1406    /21:1553    /22:3633    /23:2678    /24:20799   
/25:2       /26:3       /27:3       /28:3       /29:12      /30:41      
/31:32      /32:59      

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

   ASN  No of nets  Total ann.  Description
132280         154         303  SYMPHONY-AP-TH Symphony Communication Thailand 
  4621         149         512  UNINET-AS-AP UNINET-, TH
  8895         130         135  ISU Internet Services Unit ISU, SA
 36914          87          98  KENET-AS, KE
133481          62         414  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          52         113  OCDE, US
131207          43          77  SINET-KH SINET, Cambodias specialist Internet a
133385          36          48  ATOMMYANMAR-AS-AP Atom Myanmar Limited, MM
 32440          35          50  LONI, US
 18632          34          65  VOLCANO-VISION, US

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

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

   1:489       2:1         5:16        6:4         8:4         9:1      
  12:1        13:38       14:94       16:1        23:16       24:4      
  27:197      31:7        35:6        36:109      37:34       38:16     
  39:5        40:2        41:139      42:19       43:223      44:5      
  45:180      46:5        47:6        49:544      50:5        52:3      
  58:305      59:30       60:58       61:385      62:13       63:39     
  64:62       65:10       66:57       67:45       68:8        69:23     
  70:2        71:1        72:39       74:54       76:41       77:9      
  78:3        79:11       80:17       81:29       82:6        83:37     
  84:11       85:42       86:6        87:7        89:10       90:1      
  91:48       92:2        93:4        94:4        95:2        96:69     
  97:2        98:2       101:110     102:16      103:1307    104:82     
 106:74      107:51      108:8       109:10      110:463     111:143    
 112:42      113:146     114:43      115:141     116:72      117:83     
 118:377     119:311     120:6       121:33      122:325     123:109    
 124:161     125:195     128:95      129:44      130:88      131:77     
 132:63      133:149     134:310     135:6       136:223     137:84     
 138:10      139:20      140:61      141:15      142:39      143:32     
 144:41      145:3       146:160     147:89      148:193     149:15     
 150:156     151:7       152:77      153:14      154:113     155:55     
 156:75      157:36      158:37      159:252     160:27      161:95     
 162:24      163:98      164:89      165:102     166:1       167:48     
 168:176     169:11      170:83      171:194     172:5       173:8      
 175:182     176:9       177:8       179:9       180:131     181:3      
 182:219     183:36      184:13      185:77      186:3       187:19     
 188:15      189:3       190:15      191:40      192:1405    193:311    
 194:157     195:50      196:162     197:3       198:535     199:293    
 200:218     201:35      202:1303    203:1605    204:376     205:145    
 206:203     207:186     208:76      209:145     210:556     211:32     
 212:171     213:7       214:8       216:88      217:13      218:152    
 219:11      220:53      221:36      222:8       223:98     

End of report


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