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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Mar 3 20:16:32 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sun 03 Mar, 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:                              183442
    Prefixes after maximum aggregation (per Origin AS):           80140
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100873
    Number of IPv4 prefixes with a valid ROA:                     69242
    Number of IPv4 prefixes with an invalid ROA:                     23
    Number of IPv4 prefixes with no ROA:                         114177
Total ASes present in the Internet Routing Table:                 15388
    Prefixes per ASN:                                             11.92
Origin-only ASes present in the Internet Routing Table:           13297
Origin ASes announcing only one prefix:                            6048
Transit ASes present in the Internet Routing Table:                2091
Transit-only ASes present in the Internet Routing Table:            575
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 11816)                              21
Prefixes from unregistered ASNs in the Routing Table:               220
    Number of instances of unregistered ASNs:                       220
Number of 32-bit ASNs allocated by the RIRs:                      43760
Number of 32-bit ASNs visible in the Routing Table:                5528
Prefixes from 32-bit ASNs in the Routing Table:                   18435
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:             82
Number of addresses announced to Internet:                   1035431097
    Equivalent to 61 /8s, 183 /16s and 108 /24s
    Percentage of available address space announced:               28.0
    Percentage of allocated address space announced:               28.0
    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:       53968

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

Prefixes being announced by APNIC Region ASes:                    28663
    Total APNIC prefixes after maximum aggregation:                6488
    APNIC Deaggregation factor:                                    4.42
Prefixes being announced from the APNIC address blocks:           28394
    Unique aggregates announced from the APNIC address blocks:     7491
APNIC Region origin ASes present in the Internet Routing Table:    1065
    APNIC Prefixes per ASN:                                       26.66
APNIC Region origin ASes announcing only one prefix:                431
APNIC Region transit ASes present in the Internet Routing Table:    179
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         19
Number of APNIC region 32-bit ASNs visible in the Routing Table:    455
Number of APNIC addresses announced to Internet:              170965896
    Equivalent to 10 /8s, 48 /16s and 187 /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:                     82256
    Total ARIN prefixes after maximum aggregation:                44825
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81108
    Unique aggregates announced from the ARIN address blocks:     50458
ARIN Region origin ASes present in the Internet Routing Table:     7185
    ARIN Prefixes per ASN:                                        11.29
ARIN Region origin ASes announcing only one prefix:                3070
ARIN Region transit ASes present in the Internet Routing Table:     641
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:    1465
Number of ARIN addresses announced to Internet:               605375841
    Equivalent to 36 /8s, 21 /16s and 77 /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:                     35177
    Total RIPE prefixes after maximum aggregation:                16549
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            35752
    Unique aggregates announced from the RIPE address blocks:     23847
RIPE Region origin ASes present in the Internet Routing Table:     3259
    RIPE Prefixes per ASN:                                        10.97
RIPE Region origin ASes announcing only one prefix:                1391
RIPE Region transit ASes present in the Internet Routing Table:     506
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1197
Number of RIPE addresses announced to Internet:               155918288
    Equivalent to 9 /8s, 75 /16s and 31 /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:                   32196
    Total LACNIC prefixes after maximum aggregation:              10183
    LACNIC Deaggregation factor:                                   3.16
Prefixes being announced from the LACNIC address blocks:          31936
    Unique aggregates announced from the LACNIC address blocks:   15772
LACNIC Region origin ASes present in the Internet Routing Table:   3010
    LACNIC Prefixes per ASN:                                      10.61
LACNIC Region origin ASes announcing only one prefix:              1071
LACNIC Region transit ASes present in the Internet Routing Table:   602
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2308
Number of LACNIC addresses announced to Internet:              74067456
    Equivalent to 4 /8s, 106 /16s and 46 /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:                   4930
    Total AfriNIC prefixes after maximum aggregation:              1913
    AfriNIC Deaggregation factor:                                  2.58
Prefixes being announced from the AfriNIC address blocks:          6170
    Unique aggregates announced from the AfriNIC address blocks:   3225
AfriNIC Region origin ASes present in the Internet Routing Table:   203
    AfriNIC Prefixes per ASN:                                     30.39
AfriNIC Region origin ASes announcing only one prefix:               85
AfriNIC Region transit ASes present in the Internet Routing Table:   62
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  103
Number of AfriNIC addresses announced to Internet:             29056000
    Equivalent to 1 /8s, 187 /16s and 92 /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        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1436        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         778        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
  2907         598       2161     463  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
 56040         434        488     105  CMNET-GUANGDONG-AP China Mobile communi

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        9689      11264    3342  AMAZON-02, US
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2904       3646    1403  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1448        394     645  DNIC-ASBLK-05800-06055, US
  4155        1310         85    1023  USDA-1, US
  7979         993         66     197  SERVERS-COM, US
   855         960        255      83  CANET-ASN-4, CA
 16625         921        429     848  AKAMAI-AS, US

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        1323        111    1074  AKAMAI-ASN1, NL
  3215         899       4811     303  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         723         60      22  Jordan Data Communications, JO
  8452         580       1841      11  TE-AS TE-AS, EG
 35819         474        481      50  MOBILY-AS Etihad Etisalat Company Mobil
 51167         436         79     184  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 29580         414         46     174  A1BG_RSG A1 EAD, BG

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        5355       1548     928  UNINET, MX
  3816        1311        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         986       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         570       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  Telmex Colombia S.A., CO
 13999         482         70     208  Mega Cable, S.A. de C.V., MX
 28343         307         58      93  UNIFIQUE TELECOMUNICACOES SA, BR

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         685        240     188  LINKdotNET-AS, EG
 29571         476         35     243  ORANGE-COTE-IVOIRE, CI
 36992         475        671     292  ETISALAT-MISR, EG
  2018         376        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         203         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         162         28       3  RENU, UG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN

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        9689      11264    3342  AMAZON-02, US
  9808        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
  8151        5355       1548     928  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2904       3646    1403  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica

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        9625         9574  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5355         4427  UNINET, MX
 11776        1856         1637  ATLANTICBB-JOHNSTOWN, US
   367        2904         1501  DNIC-ASBLK-00306-00371, US
 56047        1470         1436  CMNET-HUNAN-AP China Mobile communications corp
   209        1707         1386  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1436         1363  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1450         1340  CMNET-JIANGSU-AP China Mobile communications co
  3816        1311         1113  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
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              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
     32282  UNALLOCATED  12.162.235.0/24           7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.92.0/22            7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.244.0/23           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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
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
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM

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       /9:4       /10:14      /11:27      /12:73      
/13:111     /14:335     /15:672     /16:5372    /17:2528    /18:2598    
/19:5369    /20:8635    /21:10779   /22:19602   /23:20208   /24:106847  
/25:81      /26:51      /27:66      /28:19      /29:21      /30:14      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2943        5355  UNINET, MX
 16509        2049        9689  AMAZON-02, US
   209         963        1707  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1856  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
  6147         686        1088  Telefonica del Peru S.A.A., PE
 19901         685         824  BRSPD-PUBLIC, US
  8376         566         723  Jordan Data Communications, JO
  7979         446         993  SERVERS-COM, US

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

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

   1:8         2:455       3:276       5:1054      6:148       7:5      
   8:623      11:171      12:257      13:329      14:99       15:280    
  16:174      17:6        18:690      20:30       21:4        22:188    
  23:1836     24:393      25:2        27:19       29:19       31:151    
  32:1        34:3        35:53       36:1114     37:558      38:849    
  39:523      40:8        41:563      42:22       43:181      44:33     
  45:2273     46:568      47:100      49:10       50:246      51:473    
  52:1357     54:275      55:857      57:16       58:6        59:34     
  60:19       61:64       62:351      63:463      64:1505     65:820    
  66:1255     67:675      68:165      69:715      70:149      71:191    
  72:359      74:719      75:390      76:206      77:268      78:532    
  79:163      80:190      81:186      82:172      83:94       84:182    
  85:314      86:150      87:145      88:102      89:475      90:98     
  91:523      92:391      93:777      94:493      95:1086     96:165    
  97:30       98:124      99:146     100:21      101:25      102:180    
 103:997     104:673     105:130     106:2       107:220     108:296    
 109:214     110:28      111:1747    112:447     113:39      114:32     
 115:11      116:31      117:946     118:51      119:94      120:1089   
 121:31      122:82      123:20      124:57      125:12      128:435    
 129:280     130:509     131:771     132:506     133:264     134:324    
 135:68      136:355     137:442     138:717     139:403     140:566    
 141:324     142:690     143:578     144:320     145:67      146:469    
 147:319     148:578     149:505     150:283     151:540     152:373    
 153:118     154:441     155:670     156:310     157:232     158:314    
 159:526     160:628     161:419     162:693     163:288     164:617    
 165:364     166:103     167:377     168:953     169:153     170:1201   
 171:62      172:892     173:616     174:107     175:44      176:412    
 177:717     178:339     179:489     180:43      181:1004    182:10     
 183:853     184:202     185:2189    186:1057    187:765     188:487    
 189:1075    190:2966    191:210     192:3670    193:1223    194:772    
 195:559     196:476     197:492     198:1898    199:3117    200:2732   
 201:2570    202:905     203:598     204:1737    205:1645    206:1130   
 207:1047    208:986     209:1390    210:292     211:422     212:711    
 213:589     214:1060    215:37      216:1683    217:304     218:515    
 219:19      220:31      221:294     222:18      223:626    

End of report


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