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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Dec 31 22:41:55 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 31 Dec, 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:                              987303
    Prefixes after maximum aggregation (per Origin AS):          363381
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      456596
Total ASes present in the Internet Routing Table:                 75417
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64653
Origin ASes announcing only one prefix:                           26014
Transit ASes present in the Internet Routing Table:               10764
Transit-only ASes present in the Internet Routing Table:            502
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      66
    Max AS path prepend of ASN (272886)                              61
Prefixes from unregistered ASNs in the Routing Table:              1234
    Number of instances of unregistered ASNs:                      1237
Number of 32-bit ASNs allocated by the RIRs:                      43286
Number of 32-bit ASNs visible in the Routing Table:               35711
Prefixes from 32-bit ASNs in the Routing Table:                  187442
Number of bogon 32-bit ASNs visible in the Routing Table:           180
Special use prefixes present in the Routing Table:                   31
Prefixes being announced from unallocated address space:            572
Number of addresses announced to Internet:                   3046513949
    Equivalent to 181 /8s, 150 /16s and 29 /24s
    Percentage of available address space announced:               82.3
    Percentage of allocated address space announced:               82.3
    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:      339493

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

Prefixes being announced by APNIC Region ASes:                   257881
    Total APNIC prefixes after maximum aggregation:               73243
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          250671
    Unique aggregates announced from the APNIC address blocks:    99727
APNIC Region origin ASes present in the Internet Routing Table:   13920
    APNIC Prefixes per ASN:                                       18.01
APNIC Region origin ASes announcing only one prefix:               4124
APNIC Region transit ASes present in the Internet Routing Table:   1886
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9252
Number of APNIC addresses announced to Internet:              771511456
    Equivalent to 45 /8s, 252 /16s and 84 /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:                    282709
    Total ARIN prefixes after maximum aggregation:               126279
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           287179
    Unique aggregates announced from the ARIN address blocks:    133099
ARIN Region origin ASes present in the Internet Routing Table:    19114
    ARIN Prefixes per ASN:                                        15.02
ARIN Region origin ASes announcing only one prefix:                6930
ARIN Region transit ASes present in the Internet Routing Table:    1937
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4842
Number of ARIN addresses announced to Internet:              1274222656
    Equivalent to 75 /8s, 243 /16s and 24 /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:                    282110
    Total RIPE prefixes after maximum aggregation:               128117
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275785
    Unique aggregates announced from the RIPE address blocks:    161110
RIPE Region origin ASes present in the Internet Routing Table:    28579
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12091
RIPE Region transit ASes present in the Internet Routing Table:    3979
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11536
Number of RIPE addresses announced to Internet:               714738909
    Equivalent to 42 /8s, 154 /16s and 12 /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:                  129467
    Total LACNIC prefixes after maximum aggregation:              28873
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         128460
    Unique aggregates announced from the LACNIC address blocks:   49430
LACNIC Region origin ASes present in the Internet Routing Table:  11066
    LACNIC Prefixes per ASN:                                      11.61
LACNIC Region origin ASes announcing only one prefix:              2264
LACNIC Region transit ASes present in the Internet Routing Table:  2413
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        66
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8916
Number of LACNIC addresses announced to Internet:             178478688
    Equivalent to 10 /8s, 163 /16s and 94 /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:                  33902
    Total AfriNIC prefixes after maximum aggregation:              6085
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         44635
    Unique aggregates announced from the AfriNIC address blocks:  12753
AfriNIC Region origin ASes present in the Internet Routing Table:  1823
    AfriNIC Prefixes per ASN:                                     24.48
AfriNIC Region origin ASes announcing only one prefix:              605
AfriNIC Region transit ASes present in the Internet Routing Table:  346
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1165
Number of AfriNIC addresses announced to Internet:            107252992
    Equivalent to 6 /8s, 100 /16s and 141 /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        9808       8739      55  CHINAMOBILE-CN China Mobile Communicati
  7545        5675        784     686  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4994       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4545        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3843       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3598       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3416        495     254  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3357       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2662        857     371  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2540      11258     583  KIXS-AS-KR Korea Telecom, KR

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        9474      11202    3351  AMAZON-02, US
 11492        4562        303     686  CABLEONE, US
  7155        4182        289      98  VIASAT-SP-BACKBONE, US
   174        3950       6658     651  COGENT-174, US
 22773        3633       3079     308  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3567       1320      69  SHAW, CA
 16625        3235       1435    2350  AKAMAI-AS, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2975       3842    1419  DNIC-ASBLK-00306-00371, US
396982        2741       3639     386  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        8895       1208    2595  TTNET, TR
 12479        7583       1714     146  UNI2-AS, ES
 39891        4641        279      54  ALJAWWALSTC-AS, SA
 20940        4077       3398     168  AKAMAI-ASN1, NL
  9009        3499        301    1636  M247, RO
  8551        3328        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3058       2301     919  ROSTELECOM-AS, RU
  5384        2505        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2394       1852      14  TE-AS TE-AS, EG
 34984        2368        362     587  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       12193       3385     598  UNINET, MX
 10620        3519        497     886  Telmex Colombia S.A., CO
 13999        2494        339     636  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1346       2319     231  Claro NXT Telecomunicacoes Ltda, BR
  3816        1307        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1245        341     503  Axtel, S.A.B. de C.V., MX
 11664        1107        178     422  Techtel LMDS Comunicaciones Interactiva
 28202        1103         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1087        369      22  Telefonica del Peru S.A.A., PE

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        1625        316      43  Telkom-Internet, ZA
 24863        1588        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1071         69      52  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         535         82       3  KENET-AS, KE
 37342         511         32       1  MOVITEL, MZ

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       12193       3385     598  UNINET, MX
  9808        9808       8739      55  CHINAMOBILE-CN China Mobile Communicati
 16509        9474      11202    3351  AMAZON-02, US
 47331        8895       1208    2595  TTNET, TR
 12479        7583       1714     146  UNI2-AS, ES
  7545        5675        784     686  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4994       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4641        279      54  ALJAWWALSTC-AS, SA
 11492        4562        303     686  CABLEONE, US
 18403        4545        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        9808         9753  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7583         7437  UNI2-AS, ES
 47331        8895         6300  TTNET, TR
 16509        9474         6123  AMAZON-02, US
  7545        5675         4989  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4994         4919  ERX-CERNET-BKB China Education and Research Net
 39891        4641         4587  ALJAWWALSTC-AS, SA
 18403        4545         4520  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4084  VIASAT-SP-BACKBONE, US
 20940        4077         3909  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
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     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               174  COGENT-174, 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            46887  LIGHTOWER, 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
100.65.11.0/24            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
100.66.10.0/24            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:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, 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      /10:37      /11:99      /12:300     
/13:582     /14:1209    /15:2135    /16:13584   /17:8505    /18:14207   
/19:25669   /20:45534   /21:54347   /22:114418  /23:107413  /24:594331  
/25:1112    /26:1078    /27:1503    /28:164     /29:241     /30:80      
/31:82      /32:642     

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

   ASN  No of nets  Total ann.  Description
 47331        8000        8895  TTNET, TR
 12479        6671        7583  UNI2-AS, ES
  8151        6186       12193  UNINET, MX
 11492        3476        4562  CABLEONE, US
  6327        3371        3567  SHAW, CA
 39891        3324        4641  ALJAWWALSTC-AS, SA
  7155        3125        4182  VIASAT-SP-BACKBONE, US
  8551        2805        3328  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2673        3633  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2129        2472  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2315      2:1576      3:284       4:8         5:4609      6:163    
   7:6         8:1614      9:1        11:172      12:1493     13:375    
  14:2392     15:309      16:206      17:368      18:713      20:362    
  21:4        22:188      23:6627     24:3011     25:2        27:2615   
  29:19       31:2714     32:74       34:37       35:122      36:2149   
  37:4647     38:6967     39:891      40:147      41:4688     42:2207   
  43:2379     44:331      45:17568    46:4538     47:291      49:1912   
  50:1907     51:578      52:1626     54:368      55:888      56:5      
  57:138      58:2003     59:1191     60:1013     61:2755     62:2887   
  63:1943     64:5716     65:2386     66:5174     67:3113     68:1363   
  69:4106     70:1392     71:619      72:3009     74:2669     75:1597   
  76:630      77:2472     78:4131     79:3033     80:2175     81:2120   
  82:1598     83:1400     84:1646     85:3916     86:893      87:2250   
  88:2981     89:4124     90:660      91:8061     92:2262     93:2667   
  94:3809     95:5250     96:1333     97:317      98:1040     99:746    
 100:122     101:1170    102:3482    103:32919   104:4813    105:2029   
 106:981     107:2784    108:1157    109:4240    110:2172    111:3192   
 112:2112    113:1737    114:1755    115:2106    116:1996    117:2642   
 118:2797    119:2015    120:1813    121:1334    122:2783    123:2251   
 124:1656    125:2820    128:1590    129:1005    130:1115    131:2071   
 132:985     133:411     134:1712    135:346     136:922     137:1051   
 138:2902    139:1576    140:1349    141:1351    142:1584    143:1609   
 144:1006    145:340     146:2049    147:1657    148:2526    149:2470   
 150:1033    151:1331    152:1979    153:599     154:5812    155:1384   
 156:2156    157:1404    158:1091    159:2220    160:2707    161:1642   
 162:3636    163:1692    164:1698    165:2163    166:1084    167:1762   
 168:4027    169:821     170:4959    171:1000    172:3792    173:3056   
 174:901     175:1257    176:3764    177:5590    178:3687    179:2542   
 180:2453    181:3741    182:3423    183:2049    184:2287    185:20848  
 186:5156    187:4745    188:4294    189:4310    190:9638    191:1955   
 192:11069   193:9037    194:7583    195:5492    196:3614    197:2900   
 198:6071    199:6884    200:8501    201:6375    202:10963   203:10523  
 204:4658    205:3706    206:4517    207:3562    208:4153    209:5006   
 210:4743    211:2601    212:4327    213:3536    214:1113    215:50     
 216:6916    217:3034    218:1359    219:613     220:2058    221:1025   
 222:871     223:2224   

End of report


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