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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Oct 27 22:43:33 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Fri 27 Oct, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              986690
    Prefixes after maximum aggregation (per Origin AS):          362248
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454718
Total ASes present in the Internet Routing Table:                 75293
    Prefixes per ASN:                                             13.10
Origin-only ASes present in the Internet Routing Table:           64737
Origin ASes announcing only one prefix:                           25944
Transit ASes present in the Internet Routing Table:               10556
Transit-only ASes present in the Internet Routing Table:            479
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1271
    Number of instances of unregistered ASNs:                      1274
Number of 32-bit ASNs allocated by the RIRs:                      42928
Number of 32-bit ASNs visible in the Routing Table:               35445
Prefixes from 32-bit ASNs in the Routing Table:                  184947
Number of bogon 32-bit ASNs visible in the Routing Table:           184
Special use prefixes present in the Routing Table:                   36
Prefixes being announced from unallocated address space:            607
Number of addresses announced to Internet:                   3054907614
    Equivalent to 182 /8s, 22 /16s and 48 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    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:      338908

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

Prefixes being announced by APNIC Region ASes:                   259194
    Total APNIC prefixes after maximum aggregation:               72998
    APNIC Deaggregation factor:                                    3.55
Prefixes being announced from the APNIC address blocks:          252414
    Unique aggregates announced from the APNIC address blocks:    99180
APNIC Region origin ASes present in the Internet Routing Table:   13846
    APNIC Prefixes per ASN:                                       18.23
APNIC Region origin ASes announcing only one prefix:               4084
APNIC Region transit ASes present in the Internet Routing Table:   1837
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9128
Number of APNIC addresses announced to Internet:              773613984
    Equivalent to 46 /8s, 28 /16s and 105 /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:                    282333
    Total ARIN prefixes after maximum aggregation:               125865
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286085
    Unique aggregates announced from the ARIN address blocks:    132475
ARIN Region origin ASes present in the Internet Routing Table:    19129
    ARIN Prefixes per ASN:                                        14.96
ARIN Region origin ASes announcing only one prefix:                6945
ARIN Region transit ASes present in the Internet Routing Table:    1937
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4837
Number of ARIN addresses announced to Internet:              1277777216
    Equivalent to 76 /8s, 41 /16s and 85 /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:                    281297
    Total RIPE prefixes after maximum aggregation:               127787
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275220
    Unique aggregates announced from the RIPE address blocks:    160584
RIPE Region origin ASes present in the Internet Routing Table:    28543
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12050
RIPE Region transit ASes present in the Internet Routing Table:    3891
Average RIPE Region AS path length visible:                         3.6
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11443
Number of RIPE addresses announced to Internet:               716955358
    Equivalent to 42 /8s, 187 /16s and 222 /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:                  128214
    Total LACNIC prefixes after maximum aggregation:              28732
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127443
    Unique aggregates announced from the LACNIC address blocks:   49293
LACNIC Region origin ASes present in the Internet Routing Table:  11056
    LACNIC Prefixes per ASN:                                      11.53
LACNIC Region origin ASes announcing only one prefix:              2281
LACNIC Region transit ASes present in the Internet Routing Table:  2371
Average LACNIC Region AS path length visible:                       4.0
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8879
Number of LACNIC addresses announced to Internet:             178396704
    Equivalent to 10 /8s, 162 /16s and 30 /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:                  34381
    Total AfriNIC prefixes after maximum aggregation:              6067
    AfriNIC Deaggregation factor:                                  5.67
Prefixes being announced from the AfriNIC address blocks:         44920
    Unique aggregates announced from the AfriNIC address blocks:  12674
AfriNIC Region origin ASes present in the Internet Routing Table:  1818
    AfriNIC Prefixes per ASN:                                     24.71
AfriNIC Region origin ASes announcing only one prefix:              584
AfriNIC Region transit ASes present in the Internet Routing Table:  334
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1158
Number of AfriNIC addresses announced to Internet:            107717120
    Equivalent to 6 /8s, 107 /16s and 162 /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        9608       8904      98  CHINAMOBILE-CN China Mobile Communicati
  7545        5718        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4237        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4022       1857      55  VNPT-AS-VN VNPT Corp, VN
  7552        3803       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3606       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3235        493     243  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2738      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2559        850     376  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9194      11027    3301  AMAZON-02, US
 11492        4540        301     675  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3812       6654     625  COGENT-174, US
 22773        3655       3079     314  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
   749        3161      54958    2413  DNIC-AS-00749, US
 16625        3092       1411    2326  AKAMAI-AS, US
   367        3066       3849    1428  DNIC-ASBLK-00306-00371, US
396982        2707       3598     397  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8631       1178    2944  TTNET, TR
 12479        7438       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4151       3398     174  AKAMAI-ASN1, NL
  8551        3446        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3246        286    1607  M247, RO
 12389        3002       2296     919  ROSTELECOM-AS, RU
  8452        2562       1852      14  TE-AS TE-AS, EG
  5384        2465        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2369        364     586  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11996       3373     616  UNINET, MX
 10620        3540        504     856  Telmex Colombia S.A., CO
 13999        2433        337     635  Mega Cable, S.A. de C.V., MX
 11830        1999        369      64  Instituto Costarricense de Electricidad
 28573        1332       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1300        770     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1250        342     505  Axtel, S.A.B. de C.V., MX
  6147        1109        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1057        168     429  Techtel LMDS Comunicaciones Interactiva

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1880        319      45  Telkom-Internet, ZA
 24863        1605        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1047         67      46  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 15399         537         55      51  WANANCHI-, KE
 36914         535         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11996       3373     616  UNINET, MX
  9808        9608       8904      98  CHINAMOBILE-CN China Mobile Communicati
 16509        9194      11027    3301  AMAZON-02, US
 47331        8631       1178    2944  TTNET, TR
 12479        7438       1713     145  UNI2-AS, ES
  7545        5718        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4540        301     675  CABLEONE, US
 18403        4237        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9608         9510  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7438         7293  UNI2-AS, ES
 16509        9194         5893  AMAZON-02, US
 47331        8631         5687  TTNET, TR
  7545        5718         5022  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007         4932  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4237         4212  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 20940        4151         3977  AKAMAI-ASN1, NL

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:100     /12:301     
/13:584     /14:1214    /15:2149    /16:13686   /17:8598    /18:14769   
/19:25783   /20:45829   /21:54605   /22:114676  /23:107648  /24:591830  
/25:1122    /26:1083    /27:1490    /28:159     /29:239     /30:79      
/31:73      /32:604     

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

   ASN  No of nets  Total ann.  Description
 47331        7748        8631  TTNET, TR
 12479        6526        7438  UNI2-AS, ES
  8151        6016       11996  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3452        4540  CABLEONE, US
  6327        3364        3555  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2923        3446  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2697        3655  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2154        2499  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2273      2:1613      3:270       4:8         5:4586      6:159    
   7:6         8:1628      9:1        11:172      12:1512     13:366    
  14:2415     15:306      16:203      17:371      18:666      20:332    
  21:4        22:188      23:6587     24:2951     25:2        27:2669   
  29:19       31:2709     32:90       34:28       35:120      36:2032   
  37:4619     38:6567     39:874      40:130      41:4824     42:2067   
  43:2423     44:333      45:17595    46:4547     47:399      49:1886   
  50:1910     51:578      52:1622     54:395      55:960      56:5      
  57:138      58:1964     59:1200     60:1015     61:2738     62:2795   
  63:1938     64:5860     65:2399     66:5160     67:3122     68:1368   
  69:4186     70:1394     71:644      72:3031     74:2668     75:1616   
  76:641      77:2461     78:4039     79:3049     80:2175     81:2090   
  82:1601     83:1376     84:1570     85:3936     86:874      87:2280   
  88:2915     89:4008     90:630      91:8033     92:2164     93:2661   
  94:3769     95:5123     96:1343     97:318      98:1125     99:735    
 100:123     101:1421    102:3407    103:32946   104:4821    105:2001   
 106:992     107:2809    108:1155    109:4330    110:2188    111:3174   
 112:2127    113:1814    114:1717    115:2144    116:1984    117:2566   
 118:2764    119:2058    120:1830    121:1274    122:2770    123:2285   
 124:1667    125:2648    128:1566    129:1013    130:1096    131:2083   
 132:973     133:408     134:1782    135:345     136:916     137:1000   
 138:2875    139:1676    140:1332    141:1334    142:1573    143:1595   
 144:1012    145:348     146:2005    147:1638    148:2502    149:2427   
 150:905     151:1261    152:1994    153:606     154:5565    155:1413   
 156:2099    157:1391    158:1069    159:2215    160:2702    161:1620   
 162:3553    163:1692    164:1782    165:1917    166:1079    167:1764   
 168:4043    169:823     170:4895    171:979     172:3906    173:3046   
 174:992     175:1266    176:3771    177:5559    178:3603    179:2423   
 180:2632    181:3628    182:3402    183:2032    184:2287    185:20989  
 186:5053    187:4606    188:4263    189:4240    190:9534    191:1868   
 192:11078   193:9017    194:7541    195:5497    196:3666    197:3070   
 198:6091    199:6416    200:8295    201:6364    202:11004   203:10624  
 204:4625    205:3726    206:4495    207:3566    208:4172    209:4987   
 210:4737    211:2666    212:4376    213:3532    214:1114    215:71     
 216:6899    217:3021    218:1335    219:618     220:2040    221:991    
 222:864     223:2179   

End of report


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