[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 27 20:16:49 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Mon 27 May, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              191803
    Prefixes after maximum aggregation (per Origin AS):           84749
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      105615
    Number of IPv4 prefixes with a valid ROA:                     75942
    Number of IPv4 prefixes with an invalid ROA:                     16
    Number of IPv4 prefixes with no ROA:                         115845
Total ASes present in the Internet Routing Table:                 16039
    Prefixes per ASN:                                             11.96
Origin-only ASes present in the Internet Routing Table:           13835
Origin ASes announcing only one prefix:                            6374
Transit ASes present in the Internet Routing Table:                2204
Transit-only ASes present in the Internet Routing Table:            595
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 28683)                              23
Prefixes from unregistered ASNs in the Routing Table:               246
    Number of instances of unregistered ASNs:                       246
Number of 32-bit ASNs allocated by the RIRs:                      44590
Number of 32-bit ASNs visible in the Routing Table:                5734
Prefixes from 32-bit ASNs in the Routing Table:                   19828
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:             94
Number of addresses announced to Internet:                   1123750557
    Equivalent to 66 /8s, 251 /16s and 18 /24s
    Percentage of available address space announced:               30.4
    Percentage of allocated address space announced:               30.4
    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:       56492

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

Prefixes being announced by APNIC Region ASes:                    30378
    Total APNIC prefixes after maximum aggregation:                7231
    APNIC Deaggregation factor:                                    4.20
Prefixes being announced from the APNIC address blocks:           29909
    Unique aggregates announced from the APNIC address blocks:     8190
APNIC Region origin ASes present in the Internet Routing Table:    1156
    APNIC Prefixes per ASN:                                       25.87
APNIC Region origin ASes announcing only one prefix:                473
APNIC Region transit ASes present in the Internet Routing Table:    204
Average APNIC Region AS path length visible:                        7.2
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    504
Number of APNIC addresses announced to Internet:              201602668
    Equivalent to 12 /8s, 4 /16s and 54 /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:                     88834
    Total ARIN prefixes after maximum aggregation:                48532
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87548
    Unique aggregates announced from the ARIN address blocks:     54494
ARIN Region origin ASes present in the Internet Routing Table:     7492
    ARIN Prefixes per ASN:                                        11.69
ARIN Region origin ASes announcing only one prefix:                3240
ARIN Region transit ASes present in the Internet Routing Table:     682
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1552
Number of ARIN addresses announced to Internet:               655918177
    Equivalent to 39 /8s, 24 /16s and 132 /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:                     37212
    Total RIPE prefixes after maximum aggregation:                17600
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            37935
    Unique aggregates announced from the RIPE address blocks:     25469
RIPE Region origin ASes present in the Internet Routing Table:     3527
    RIPE Prefixes per ASN:                                        10.76
RIPE Region origin ASes announcing only one prefix:                1510
RIPE Region transit ASes present in the Internet Routing Table:     544
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1313
Number of RIPE addresses announced to Internet:               163419344
    Equivalent to 9 /8s, 189 /16s and 148 /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:                   30054
    Total LACNIC prefixes after maximum aggregation:               9344
    LACNIC Deaggregation factor:                                   3.22
Prefixes being announced from the LACNIC address blocks:          29739
    Unique aggregates announced from the LACNIC address blocks:   14378
LACNIC Region origin ASes present in the Internet Routing Table:   2933
    LACNIC Prefixes per ASN:                                      10.14
LACNIC Region origin ASes announcing only one prefix:              1050
LACNIC Region transit ASes present in the Internet Routing Table:   590
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2238
Number of LACNIC addresses announced to Internet:              72540928
    Equivalent to 4 /8s, 82 /16s and 227 /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:                   5079
    Total AfriNIC prefixes after maximum aggregation:              1864
    AfriNIC Deaggregation factor:                                  2.72
Prefixes being announced from the AfriNIC address blocks:          6578
    Unique aggregates announced from the AfriNIC address blocks:   2992
AfriNIC Region origin ASes present in the Internet Routing Table:   241
    AfriNIC Prefixes per ASN:                                     27.29
AfriNIC Region origin ASes announcing only one prefix:              101
AfriNIC Region transit ASes present in the Internet Routing Table:   72
Average AfriNIC Region AS path length visible:                      6.3
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  127
Number of AfriNIC addresses announced to Internet:             30227456
    Equivalent to 1 /8s, 205 /16s and 60 /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
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1481        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1449        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         720      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         598       2159     462  SINET-AS Research Organization of Infor
 56040         491        490     109  CMNET-GUANGDONG-AP China Mobile communi
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9947      11382    3532  AMAZON-02, US
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2767       3398    1290  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1823        117    1252  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1594        105     887  CABLEONE, US
  5972        1340        387     607  DNIC-ASBLK-05800-06055, US
  7979         990         64     201  SERVERS-COM, US
   855         954        255      82  CANET-ASN-4, CA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1292        105    1045  AKAMAI-ASN1, NL
  3215         926       4906     284  France Telecom - Orange, FR
 25019         821       1044     145  SAUDINETSTC-AS, SA
  8376         702         60      23  Jordan Data Communications, JO
  8452         621       1841      10  TE-AS TE-AS, EG
 51167         523        100     222  CONTABO, DE
 35819         422        420      76  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 57878         382         31     188  PRAGER-IT, AT

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5579       1585     750  UNINET, MX
  3816        1322        789     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1084        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         753       1126      30  TELEFONICA BRASIL S.A, BR
 26599         549       2827      83  TELEFONICA BRASIL S.A, BR
 13999         494         68     215  Mega Cable, S.A. de C.V., MX
 10620         381         47     316  Telmex Colombia S.A., CO
 27843         229         20      33  WIN EMPRESAS S.A.C., PE
 22047         228        342      16  VTR BANDA ANCHA S.A., CL

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         630        209     259  LINKdotNET-AS, EG
 24835         385        364      28  RAYA-AS, EG
  2018         380        319      71  TENET-1, ZA
 36935         317        518      27  Vodafone-, EG
 29571         305         44     120  ORANGE-COTE-IVOIRE, CI
 36914         251         82       3  KENET-AS, KE
 36992         183        231     158  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 37693         146        595      51  TUNISIANA, TN
 24757         138         36      52  EthioNet-AS, ET

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9947      11382    3532  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5579       1585     750  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2767       3398    1290  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1823        117    1252  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1594        105     887  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9651         9590  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5579         4829  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1861         1636  ATLANTICBB-JOHNSTOWN, US
   367        2767         1477  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1449         1376  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1481         1372  CMNET-JIANGSU-AP China Mobile communications co
  3816        1322         1132  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

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

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:6       /10:17      /11:31      /12:93      
/13:125     /14:359     /15:702     /16:5969    /17:2488    /18:2587    
/19:5513    /20:8842    /21:10933   /22:19929   /23:20709   /24:113252  
/25:73      /26:48      /27:66      /28:18      /29:16      /30:12      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2969        5579  UNINET, MX
 16509        2124        9947  AMAZON-02, US
 11492        1206        1594  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1861  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         747         888  BRSPD-PUBLIC, US
  6147         681        1084  Telefonica del Peru S.A.A., PE
  8376         547         702  Jordan Data Communications, JO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:11        2:381       3:344       5:1111      6:146       7:5      
   8:632      11:171      12:665      13:301      14:120      15:283    
  16:175      17:6        18:737      20:33       21:4        22:188    
  23:1889     24:738      25:2        27:49       29:19       31:204    
  32:1        34:10       35:57       36:1177     37:432      38:881    
  39:525      40:11       41:805      42:13       43:194      44:35     
  45:2464     46:634      47:98       49:10       50:299      51:476    
  52:1370     54:276      55:985      57:14       58:7        59:38     
  60:19       61:62       62:343      63:508      64:1474     65:821    
  66:1255     67:841      68:180      69:844      70:142      71:198    
  72:471      74:732      75:390      76:217      77:333      78:577    
  79:189      80:225      81:184      82:197      83:128      84:197    
  85:351      86:160      87:163      88:154      89:531      90:97     
  91:617      92:427      93:808      94:510      95:1110     96:373    
  97:34       98:138      99:149     100:23      101:20      102:212    
 103:1122    104:771     105:156     106:3       107:196     108:310    
 109:277     110:41      111:1792    112:464     113:46      114:33     
 115:14      116:31      117:972     118:72      119:108     120:1087   
 121:39      122:85      123:22      124:59      125:13      128:357    
 129:281     130:505     131:809     132:511     133:195     134:347    
 135:89      136:371     137:431     138:768     139:402     140:603    
 141:324     142:704     143:603     144:332     145:65      146:504    
 147:391     148:617     149:492     150:291     151:571     152:576    
 153:118     154:581     155:686     156:443     157:289     158:318    
 159:690     160:722     161:478     162:699     163:287     164:648    
 165:398     166:102     167:398     168:900     169:153     170:1249   
 171:65      172:921     173:825     174:194     175:34      176:423    
 177:714     178:350     179:498     180:54      181:1003    182:21     
 183:832     184:311     185:2473    186:766     187:817     188:631    
 189:1120    190:2745    191:239     192:3907    193:1303    194:864    
 195:581     196:462     197:427     198:2009    199:3685    200:2464   
 201:2371    202:1077    203:640     204:1760    205:1675    206:1192   
 207:1173    208:935     209:1417    210:334     211:432     212:705    
 213:589     214:1025    215:42      216:1830    217:335     218:525    
 219:24      220:29      221:302     222:20      223:641    

End of report


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