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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Mar 6 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Wed 06 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:                              183055
    Prefixes after maximum aggregation (per Origin AS):           80092
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100814
    Number of IPv4 prefixes with a valid ROA:                     68878
    Number of IPv4 prefixes with an invalid ROA:                     24
    Number of IPv4 prefixes with no ROA:                         114153
Total ASes present in the Internet Routing Table:                 15480
    Prefixes per ASN:                                             11.83
Origin-only ASes present in the Internet Routing Table:           13371
Origin ASes announcing only one prefix:                            6089
Transit ASes present in the Internet Routing Table:                2109
Transit-only ASes present in the Internet Routing Table:            579
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:                                      29
    Max AS path prepend of ASN ( 37531)                              21
Prefixes from unregistered ASNs in the Routing Table:               213
    Number of instances of unregistered ASNs:                       213
Number of 32-bit ASNs allocated by the RIRs:                      43778
Number of 32-bit ASNs visible in the Routing Table:                5594
Prefixes from 32-bit ASNs in the Routing Table:                   18558
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:                   1034105785
    Equivalent to 61 /8s, 163 /16s and 51 /24s
    Percentage of available address space announced:               27.9
    Percentage of allocated address space announced:               27.9
    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:       53825

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

Prefixes being announced by APNIC Region ASes:                    28677
    Total APNIC prefixes after maximum aggregation:                6537
    APNIC Deaggregation factor:                                    4.39
Prefixes being announced from the APNIC address blocks:           28480
    Unique aggregates announced from the APNIC address blocks:     7578
APNIC Region origin ASes present in the Internet Routing Table:    1093
    APNIC Prefixes per ASN:                                       26.06
APNIC Region origin ASes announcing only one prefix:                444
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:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    469
Number of APNIC addresses announced to Internet:              171197576
    Equivalent to 10 /8s, 52 /16s and 68 /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:                     82208
    Total ARIN prefixes after maximum aggregation:                44777
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81004
    Unique aggregates announced from the ARIN address blocks:     50390
ARIN Region origin ASes present in the Internet Routing Table:     7179
    ARIN Prefixes per ASN:                                        11.28
ARIN Region origin ASes announcing only one prefix:                3067
ARIN Region transit ASes present in the Internet Routing Table:     639
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          29
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1461
Number of ARIN addresses announced to Internet:               605075553
    Equivalent to 36 /8s, 16 /16s and 184 /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:                     35067
    Total RIPE prefixes after maximum aggregation:                16545
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35642
    Unique aggregates announced from the RIPE address blocks:     23760
RIPE Region origin ASes present in the Internet Routing Table:     3259
    RIPE Prefixes per ASN:                                        10.94
RIPE Region origin ASes announcing only one prefix:                1391
RIPE Region transit ASes present in the Internet Routing Table:     503
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:    1198
Number of RIPE addresses announced to Internet:               155126736
    Equivalent to 9 /8s, 63 /16s and 11 /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:                   32043
    Total LACNIC prefixes after maximum aggregation:              10176
    LACNIC Deaggregation factor:                                   3.15
Prefixes being announced from the LACNIC address blocks:          31790
    Unique aggregates announced from the LACNIC address blocks:   15831
LACNIC Region origin ASes present in the Internet Routing Table:   3070
    LACNIC Prefixes per ASN:                                      10.36
LACNIC Region origin ASes announcing only one prefix:              1095
LACNIC Region transit ASes present in the Internet Routing Table:   615
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:  2353
Number of LACNIC addresses announced to Internet:              73812480
    Equivalent to 4 /8s, 102 /16s and 74 /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:                   4847
    Total AfriNIC prefixes after maximum aggregation:              1881
    AfriNIC Deaggregation factor:                                  2.58
Prefixes being announced from the AfriNIC address blocks:          6057
    Unique aggregates announced from the AfriNIC address blocks:   3175
AfriNIC Region origin ASes present in the Internet Routing Table:   211
    AfriNIC Prefixes per ASN:                                     28.71
AfriNIC Region origin ASes announcing only one prefix:               92
AfriNIC Region transit ASes present in the Internet Routing Table:   64
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:  113
Number of AfriNIC addresses announced to Internet:             28845824
    Equivalent to 1 /8s, 184 /16s and 39 /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         601       2162     465  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        9655      11287    3346  AMAZON-02, US
   749        3199      54920    2451  DNIC-AS-00749, US
   367        2913       3648    1405  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1450        394     645  DNIC-ASBLK-05800-06055, US
  4155        1359         88    1045  USDA-1, US
  7979         997         66     198  SERVERS-COM, US
   855         960        255      83  CANET-ASN-4, CA
 16625         879        408     811  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        1287        109    1050  AKAMAI-ASN1, NL
  3215         894       4811     298  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         718         60      22  Jordan Data Communications, JO
  8452         590       1841      11  TE-AS TE-AS, EG
 51167         436         79     184  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 34984         415         60     340  TELLCOM-AS, 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        5321       1517     918  UNINET, MX
  3816        1312        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1089        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         480         66     206  Mega Cable, S.A. de C.V., MX
 22368         247         27      75  TELEBUCARAMANGA S.A. E.S.P., CO

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         690        240     188  LINKdotNET-AS, EG
 29571         475         35     243  ORANGE-COTE-IVOIRE, CI
 36992         474        671     291  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         201         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         159         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        9655      11287    3346  AMAZON-02, US
  9808        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
  8151        5321       1517     918  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3199      54920    2451  DNIC-AS-00749, US
   367        2913       3648    1405  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
  5972        1450        394     645  DNIC-ASBLK-05800-06055, 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        9625         9574  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5321         4403  UNINET, MX
 11776        1856         1637  ATLANTICBB-JOHNSTOWN, US
   367        2913         1508  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        1312         1119  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     /15:671     /16:5368    /17:2513    /18:2590    
/19:5320    /20:8561    /21:10730   /22:19511   /23:20079   /24:106881  
/25:80      /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        2934        5321  UNINET, MX
 16509        2045        9655  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         687        1089  Telefonica del Peru S.A.A., PE
 19901         685         824  BRSPD-PUBLIC, US
  8376         561         718  Jordan Data Communications, JO
  7979         446         997  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         2:472       3:274       5:1063      6:148       7:5      
   8:622      11:171      12:265      13:322      14:98       15:281    
  16:174      17:6        18:688      20:30       21:4        22:188    
  23:1814     24:393      25:2        27:19       29:19       31:164    
  32:1        34:3        35:53       36:1115     37:548      38:864    
  39:523      40:8        41:570      42:22       43:183      44:33     
  45:2280     46:575      47:100      49:10       50:249      51:470    
  52:1355     54:272      55:858      57:16       58:6        59:34     
  60:19       61:63       62:350      63:463      64:1503     65:818    
  66:1256     67:670      68:165      69:710      70:150      71:191    
  72:357      74:720      75:390      76:207      77:271      78:533    
  79:167      80:190      81:189      82:174      83:96       84:181    
  85:312      86:147      87:144      88:100      89:479      90:98     
  91:520      92:403      93:777      94:494      95:1088     96:165    
  97:30       98:124      99:147     100:21      101:26      102:183    
 103:1053    104:693     105:145     106:2       107:221     108:296    
 109:221     110:29      111:1747    112:447     113:40      114:31     
 115:11      116:31      117:945     118:52      119:94      120:1089   
 121:31      122:84      123:22      124:57      125:12      128:383    
 129:280     130:508     131:770     132:505     133:264     134:319    
 135:68      136:356     137:442     138:725     139:402     140:558    
 141:322     142:688     143:590     144:319     145:62      146:475    
 147:320     148:577     149:506     150:285     151:539     152:371    
 153:118     154:403     155:671     156:311     157:229     158:312    
 159:529     160:627     161:415     162:700     163:293     164:618    
 165:364     166:102     167:381     168:958     169:154     170:1226   
 171:62      172:882     173:617     174:107     175:46      176:412    
 177:697     178:340     179:492     180:43      181:1012    182:11     
 183:853     184:198     185:2192    186:1087    187:744     188:490    
 189:1073    190:2959    191:187     192:3671    193:1227    194:778    
 195:562     196:438     197:471     198:1901    199:3166    200:2723   
 201:2564    202:915     203:604     204:1737    205:1646    206:1131   
 207:1038    208:982     209:1388    210:290     211:422     212:709    
 213:578     214:1061    215:37      216:1666    217:302     218:515    
 219:19      220:31      221:294     222:18      223:626    

End of report


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