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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 15 20:16:32 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 15 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:                              185097
    Prefixes after maximum aggregation (per Origin AS):           80240
    Deaggregation factor:                                          2.31
    Unique aggregates announced (without unneeded subnets):      100916
    Number of IPv4 prefixes with a valid ROA:                     70701
    Number of IPv4 prefixes with an invalid ROA:                     81
    Number of IPv4 prefixes with no ROA:                         114315
Total ASes present in the Internet Routing Table:                 15486
    Prefixes per ASN:                                             11.95
Origin-only ASes present in the Internet Routing Table:           13371
Origin ASes announcing only one prefix:                            6063
Transit ASes present in the Internet Routing Table:                2115
Transit-only ASes present in the Internet Routing Table:            581
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 (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               216
    Number of instances of unregistered ASNs:                       216
Number of 32-bit ASNs allocated by the RIRs:                      43829
Number of 32-bit ASNs visible in the Routing Table:                5602
Prefixes from 32-bit ASNs in the Routing Table:                   18550
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:             89
Number of addresses announced to Internet:                   1023740601
    Equivalent to 61 /8s, 5 /16s and 10 /24s
    Percentage of available address space announced:               27.7
    Percentage of allocated address space announced:               27.7
    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:       54411

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

Prefixes being announced by APNIC Region ASes:                    28683
    Total APNIC prefixes after maximum aggregation:                6461
    APNIC Deaggregation factor:                                    4.44
Prefixes being announced from the APNIC address blocks:           28400
    Unique aggregates announced from the APNIC address blocks:     7478
APNIC Region origin ASes present in the Internet Routing Table:    1091
    APNIC Prefixes per ASN:                                       26.03
APNIC Region origin ASes announcing only one prefix:                439
APNIC Region transit ASes present in the Internet Routing Table:    178
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:    472
Number of APNIC addresses announced to Internet:              157538440
    Equivalent to 9 /8s, 99 /16s and 216 /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:                     82490
    Total ARIN prefixes after maximum aggregation:                44798
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81407
    Unique aggregates announced from the ARIN address blocks:     50590
ARIN Region origin ASes present in the Internet Routing Table:     7184
    ARIN Prefixes per ASN:                                        11.33
ARIN Region origin ASes announcing only one prefix:                3056
ARIN Region transit ASes present in the Internet Routing Table:     640
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:    1457
Number of ARIN addresses announced to Internet:               605474657
    Equivalent to 36 /8s, 22 /16s and 207 /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:                     35288
    Total RIPE prefixes after maximum aggregation:                16752
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            35694
    Unique aggregates announced from the RIPE address blocks:     23867
RIPE Region origin ASes present in the Internet Routing Table:     3254
    RIPE Prefixes per ASN:                                        10.97
RIPE Region origin ASes announcing only one prefix:                1395
RIPE Region transit ASes present in the Internet Routing Table:     508
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:    1194
Number of RIPE addresses announced to Internet:               155333072
    Equivalent to 9 /8s, 66 /16s and 49 /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:                   33530
    Total LACNIC prefixes after maximum aggregation:              10090
    LACNIC Deaggregation factor:                                   3.32
Prefixes being announced from the LACNIC address blocks:          33267
    Unique aggregates announced from the LACNIC address blocks:   15674
LACNIC Region origin ASes present in the Internet Routing Table:   3072
    LACNIC Prefixes per ASN:                                      10.83
LACNIC Region origin ASes announcing only one prefix:              1096
LACNIC Region transit ASes present in the Internet Routing Table:   625
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:  2374
Number of LACNIC addresses announced to Internet:              74806016
    Equivalent to 4 /8s, 117 /16s and 115 /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:                   4890
    Total AfriNIC prefixes after maximum aggregation:              1960
    AfriNIC Deaggregation factor:                                  2.49
Prefixes being announced from the AfriNIC address blocks:          6240
    Unique aggregates announced from the AfriNIC address blocks:   3222
AfriNIC Region origin ASes present in the Internet Routing Table:   208
    AfriNIC Prefixes per ASN:                                     30.00
AfriNIC Region origin ASes announcing only one prefix:               77
AfriNIC Region transit ASes present in the Internet Routing Table:   60
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  105
Number of AfriNIC addresses announced to Internet:             30538496
    Equivalent to 1 /8s, 209 /16s and 251 /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        9640       8739      51  CHINAMOBILE-CN China Mobile Communicati
 56047        1474        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1471        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1442        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         433        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        9736      11336    3383  AMAZON-02, US
   749        3192      54919    2444  DNIC-AS-00749, US
   367        2918       3632    1402  DNIC-ASBLK-00306-00371, US
 11776        1859        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1705       4898     320  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1516         98    1137  USDA-1, US
  5972        1438        394     639  DNIC-ASBLK-05800-06055, US
  7979         997         66     198  SERVERS-COM, US
   855         950        255      82  CANET-ASN-4, CA
 16625         870        407     800  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        4625        278      64  ALJAWWALSTC-AS, SA
 20940        1299        110    1060  AKAMAI-ASN1, NL
  3215         897       4818     295  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         723         60      22  Jordan Data Communications, JO
  8452         591       1841      11  TE-AS TE-AS, EG
 58224         494        209     350  TCI, IR
 51167         439         81     186  CONTABO, DE
 35819         428        435      76  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR

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        6537       1824     758  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         995       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         569       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  Telmex Colombia S.A., CO
 13999         485         66     208  Mega Cable, S.A. de C.V., MX
 28343         321         63     100  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         676        239     189  LINKdotNET-AS, EG
 36992         538        691     304  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 29571         245         15     157  ORANGE-COTE-IVOIRE, CI
 37054         229         17     115  Telecom-Malagasy, MG
 36914         207         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         162         28       3  RENU, UG
 37282         159         22      47  MAINONE, NG

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        9736      11336    3383  AMAZON-02, US
  9808        9640       8739      51  CHINAMOBILE-CN China Mobile Communicati
  8151        6537       1824     758  UNINET, MX
 39891        4625        278      64  ALJAWWALSTC-AS, SA
   749        3192      54919    2444  DNIC-AS-00749, US
   367        2918       3632    1402  DNIC-ASBLK-00306-00371, US
 11776        1859        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1705       4898     320  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1516         98    1137  USDA-1, US
 56047        1474        188      34  CMNET-HUNAN-AP China Mobile communicati

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        9640         9589  CHINAMOBILE-CN China Mobile Communications Grou
  8151        6537         5779  UNINET, MX
 39891        4625         4561  ALJAWWALSTC-AS, SA
 11776        1859         1640  ATLANTICBB-JOHNSTOWN, US
   367        2918         1516  DNIC-ASBLK-00306-00371, US
 56047        1474         1440  CMNET-HUNAN-AP China Mobile communications corp
   209        1705         1385  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1442         1369  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1471         1361  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      /11:25      /12:71      
/13:112     /14:334     /15:670     /16:5273    /17:2509    /18:2590    
/19:5452    /20:8669    /21:11186   /22:19819   /23:20530   /24:107563  
/25:81      /26:51      /27:74      /28:19      /29:21      /30:14      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
  8151        3445        6537  UNINET, MX
 39891        3311        4625  ALJAWWALSTC-AS, SA
 16509        2039        9736  AMAZON-02, US
   209         962        1705  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1859  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         690         828  BRSPD-PUBLIC, US
  6147         687        1089  Telefonica del Peru S.A.A., PE
  8376         563         723  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         2:477       3:280       5:969       6:148       7:5      
   8:622      11:171      12:256      13:322      14:99       15:281    
  16:174      17:6        18:700      20:33       21:4        22:188    
  23:1822     24:404      25:2        27:17       29:19       31:165    
  32:1        34:5        35:53       36:1119     37:583      38:836    
  39:523      40:8        41:572      42:20       43:183      44:29     
  45:2276     46:569      47:99       49:11       50:254      51:465    
  52:1356     54:274      55:970      57:16       58:6        59:34     
  60:19       61:63       62:338      63:462      64:1445     65:795    
  66:1217     67:675      68:164      69:723      70:147      71:190    
  72:371      74:723      75:386      76:207      77:267      78:540    
  79:160      80:198      81:187      82:174      83:99       84:186    
  85:324      86:146      87:148      88:121      89:470      90:98     
  91:498      92:428      93:774      94:488      95:1059     96:165    
  97:32       98:124      99:144     100:22      101:25      102:318    
 103:1037    104:687     105:29      106:2       107:221     108:296    
 109:225     110:29      111:1752    112:449     113:40      114:32     
 115:11      116:31      117:946     118:53      119:95      120:1090   
 121:31      122:81      123:20      124:57      125:12      128:384    
 129:281     130:510     131:777     132:500     133:264     134:327    
 135:66      136:375     137:445     138:759     139:399     140:573    
 141:327     142:694     143:577     144:320     145:61      146:457    
 147:318     148:601     149:513     150:347     151:544     152:367    
 153:117     154:532     155:659     156:367     157:224     158:316    
 159:534     160:492     161:420     162:701     163:294     164:618    
 165:362     166:101     167:379     168:986     169:152     170:1236   
 171:62      172:899     173:614     174:105     175:46      176:412    
 177:760     178:324     179:492     180:43      181:999     182:12     
 183:854     184:199     185:2186    186:1019    187:1078    188:487    
 189:1154    190:2991    191:193     192:3698    193:1211    194:779    
 195:560     196:461     197:432     198:1932    199:3313    200:2684   
 201:2437    202:928     203:603     204:1767    205:1652    206:1114   
 207:1060    208:979     209:1404    210:291     211:422     212:695    
 213:553     214:1059    215:37      216:1687    217:308     218:515    
 219:19      220:30      221:300     222:18      223:630    

End of report


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